Publications by authors named "Zafer Teke"

59 Publications

Laparoscopic revisional surgery for failed anti-reflux procedures.

Ann Ital Chir 2021 Mar 2;10. Epub 2021 Mar 2.

Aim: Failure ratio of an anti-reflux surgery is 2-17% in adults. After unsuccessful fundoplications, if necessary, revisional surgeries can be performed. Revisional surgeries are technically difficult to perform and require professionally advanced experience. On the other hand, it is still controversial which technique should be used in revisional surgery. The aim of this study is to present our experience with revisional surgical procedures for complications or recurrences after anti-reflux surgeries.

Material And Metods: A total of 18 patients, 16 of whom were referred to our clinic from other centers, and who underwent revisional surgery for failed fundoplication between 2014 and 2019 were retrospectively analyzed RESULTS: Five patients were male and 13 were female. The mean age was 40.3±11.7 years. The most common symptom was the persistence of reflux symptoms (61.2%). Indications for revisional surgery were recurrent hiatal hernia in 10 patients, thightness in 4 patients, mesh migration in 2 patients, mesh migration with recurrent hiatal hernia in 1 patient, and mesh migration with thightness in 1 patient. The mean operative time was 107.2+29.2 minutes. The median hospital stay was 2.9 days (range: 1-6 days). The most common surgical procedure performed was the repair of hiatal crura with mesh, and reconstruction of fundoplication and fixation of neo-fundoplication to the right crus (44.4%). In addition, other surgical procedures performed were takedown of the previous fundoplication (16.6%), takedown of the previous fundoplication and reconstruction of fundoplication (11.1%), cruroplasty and fundoplication with gastric wedge resection (11.1%), removal of the mesh and takedown of the previous fundoplication (5.6%), removal of sutures from the hiatal crura (5.6%), and gastric wedge resection (5.6%). Four patients (27.8%) developed morbidity due to gastric perforation and pleural opening during these procedures. The median follow-up period was 29 months (range: 6-69 months). Two cases (11.1%) who underwent revisional surgery failed, and re-revisional surgery was performed.

Conclusions: Revisionary surgical procedures performed for failed anti-reflux surgery are not limited to re-fundoplication. Different procedures such as takedown of the previous fundoplication, reconstruction of fundoplication, removal of the mesh, removal of the sutures or wedge resection may be necessary. These procedures can successfully be performed laparoscopically by experienced surgeons in well-equipped centers.

Key Words: Fundoplication, Gastroesophageal reflux, Laparoscopy, Revisional Surgery, Antireflux surgery.
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March 2021

Laparoscopic versus open complete meso-colic excision for right-sided colon cancer. Analysis of short-term outcomes.

Ann Ital Chir 2021 ;92:48-58

Scopo Dello Studio: L'emicolectomia destra per escissione mesocolica completa (EMC) laparoscopica mostrerebbe benefici comparabili a breve termine, nonché esiti patologici e oncologici per la chirurgia a cielo aperto. Lo scopo di questo studio era di confrontare la tecnica laparoscopica e la EMC aperta per i tumori del colon sul lato destro in termini di campioni patologici e risultati a breve termine.

Materiale E Metodi: I dati dei pazienti sottoposti a EMC laparoscopica (n=31) e EMC aperto (n=35) per adenocarcinoma del colon destro tra gennaio 2016 e giugno 2019 sono stati analizzati retrospettivamente. Sono stati confrontati dati demografici, parametri preoperatori, peroperatori e postoperatori e campioni di patologia dei due gruppi.

Risultati: Non ci sono state differenze statistiche tra il gruppo laparoscopico di EMC e il gruppo aperto di EMC in termini di età, sesso, indice di massa corporea, posizione del tumore, punteggio dell'American Society of Anesthesiologists (ASA), presenza di comorbidità, storia di altre neoplasie e precedente chirurgia addominale (p>0,05). I pazienti nel gruppo EMC laparoscopico presentavano lunghezze d'incisione più brevi, tempi operativi più lunghi, minore perdita di sangue operativa, tempi di mobilizzazione più brevi, recupero precoce del movimento intestinale, tempo più breve per dieta leggera, durata ridotta della degenza e dimensioni del tumore più piccole (p<0,05). Il numero medio di linfonodi raccolti in gruppi laparoscopici e di EMC aperti non era statisticamente significativo (29,83+8,90 e 31,34+13,10, rispettivamente). Non ci sono state differenze statistiche in termini di lunghezza del campione tra i gruppi laparoscopici e aperti di EMC (35,19+9,8 cm e 32,71+11,12 cm, rispettivamente). Il tasso di complicanze postoperatorie di 30 giorni era più elevato nel gruppo EMC aperto (35,5% contro 42,9%, rispettivamente), ma non statisticamente significativo (p>0,05).

Conclusioni: Patologici (lunghezze dei campioni, lunghezze dei margini di resezione, numero di linfonodi e resezione R0) e risultati a breve termine del gruppo laparoscopico di EMC erano comparabili. Inoltre, la EMC laparoscopica ha conferito benefici a breve termine in termini di lunghezze di incisione più brevi, minore perdita di sangue operativa, riduzione dei tempi di mobilizzazione, recupero precoce dei movimenti intestinali, minor tempo di dieta leggera e riduzione della durata della degenza ospedaliera. Sulla base di questi risultati, la EMC laparoscopica può essere considerata come un approccio elettivo di routine per il carcinoma del colon destro.
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January 2021

Free perforation of primary small bowel lymphoma in a patient with celiac sprue and dermatitis herpetiformis.

Ulus Travma Acil Cerrahi Derg 2020 11;26(6):955-959

Department of Surgical Oncology, Cukurova University, Faculty of Medicine, Adana, Turkey.

Small bowel lymphomas are rare and constitute approximately 1% of the malignant gastrointestinal tumors. However, the risk of malignant disease in adult celiac disease is about 8-10%, and non-Hodgkin lymphoma is the most common. In the literature, cases with celiac disease and small bowel lymphoma have been reported, but the emphasis on emergency surgery is extremely rare. We herein present a case of primary small intestinal lymphoma diagnosed after surgery in a 55-year-old male patient who presented to our emergency department with findings of gastrointestinal perforation and had a history of celiac disease and dermatitis herpetiformis. The purpose of this report is to review this situation briefly and discuss it in the light of literature.
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http://dx.doi.org/10.14744/tjtes.2019.49067DOI Listing
November 2020

Primary omental torsion with massive necrosis A case of uncommon surgical emergency.

Ann Ital Chir 2020 Oct 19;9. Epub 2020 Oct 19.

A 61-year-old male patient presented to our hospital's emergency department with a history of worsening abdominal pain. The symptoms began as epigastric pain and later localized to the right lower quadrant. On physical examination, there was rebound tenderness mainly in the right lower quadrant and in the right upper quadrant. The laboratory results showed leukocytosis. Abdominopelvic computed tomography scan revealed that a definite twisting on the long axis with three complete counter-clockwise turns was observed in the vascular structures of greater omentum. At operation, the greater omentum was found to be twisted and gangrenous. The infarcted omentum was ligated at the pedicle and excised. Primary torsion of the omentum is one of the uncommon causes of acute abdominal pain. Although rarely diagnosed, the entity is important to the surgeon because it mimics the common causes of the acute surgical abdomen. Omental torsion usually occurs on the right side. Abdominal pain starts suddenly after a heavy meal or hard exercise, and is not accompanied with nausea, vomiting and anorexia. Abdominal computed tomography may show peculiar features suggestive of omental torsion. Treatment consists of ligation and resection of the involved portion of the omentum and recovery is usually rapid, uneventful and complete. Primary omental torsion should be considered in the differential diagnosis of acute abdomen. The surgeon must remain aware of the disease and search for it if, at laparotomy, other adequate cause is not found to explain the symptoms, especially if free sero-sanguineous fluid is found in the peritoneal cavity. KEY WORDS: Acute abdomen, Greater omentum, Omental torsion, Omental infarction, Omental necrosis.
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October 2020

Xanthogranulomatous cholecystitis: a rare gallbladder pathology from a single-center perspective.

Ann Surg Treat Res 2020 Oct 24;99(4):230-237. Epub 2020 Sep 24.

Department of General Surgery, Faculty of Medicine, Cukurova University, Adana, Turkey.

Purpose: The aim of this study was to review patients with xanthogranulomatous cholecystitis (XGC).

Methods: A total of 79 patients diagnosed with XGC were included in the study. The criteria for XGC in the pathology specimens were the presence of histiocytes, cholesterol deposits, lipids, and focal or widespread wall enlargement.

Results: Patients were diagnosed with XGC, of which 52 (65.8%) were male and 27 (34.2%) were female, creating a male-to-female ratio of 2:1. The mean age was 65.8 ± 14.3 years (range, 36-97 years). The most common presenting symptom was abdominal pain (63.3%), and the least common presenting symptom was jaundice (8.9%). Of the total, 25 patients were found to have pathological conditions with the potential to obstruct the bile duct or to slow bile flow. A frozen section examination was performed on 20 patients due to suspicion of a tumor by intraoperative macroscopic examination. However, no malignancy was detected in the cases who underwent a frozen section examination. An increase in wall thickness of the gallbladder was observed in 81.6% (n = 31) of the patients on computed tomography scans and in 81.8% (n = 18) of the patients on magnetic resonance imaging scans in which possible tumor lesions were reported, but no tumor was detected.

Conclusion: It is difficult to diagnose XGC either preoperatively or intraoperatively, and further imaging methods are needed in the preoperative period other than ultrasonography. However, a definitive diagnosis depends exclusively on pathologic examination.
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http://dx.doi.org/10.4174/astr.2020.99.4.230DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7520231PMC
October 2020

Giant pedunculated colonic lipoma causing colo-colic intussusception in a patient with mechanical ileus.

Ann Ital Chir 2020 Mar 3;9. Epub 2020 Mar 3.

A giant colonic lipoma causing colo-colonic intussusception is extremely rare in adults. A 35-year-old woman visited our emergency room with abdominal pain, abdominal distension, nausea and vomiting. Physical examination showed a painful distended abdomen. Abdominal computed tomography revealed that there was a soft-tissue mass with a fat density of approximately 6 cm in diameter in the distal part of the transverse colon. Since the clinical presentation was that of a mechanical ileus, a laparotomy was performed. An intussusception was detected in the transvers colon. A soft and mobile mass was palpated in the transverse colon. Therefore, an extended right hemicolectomy with ileo-transversostomy was performed. Pathological examination revealed a giant pedunculated lipoma of 7 cm in diameter with no evidence of malignancy. Colonic lipomas are the third most common benign pathology seen in the colon. They are more common in women with a peak incidence between 50 and 60 years of age. The most common site of lipomas in the large bowel is the right hemicolon. Colonic lipomas are usually asymptomatic but may cause bleeding, obstruction, intussusception, or abdominal pain. Colonic lipoma causing colo-colic intussusception is extremely rare in the current literature. Surgical approach remains the treatment of choice for giant colonic lipomas. A colonic lipoma causing colo-colic intussusception should be considered in the differential diagnosis of mechanical bowel obstruction. The most important factor for establishing the diagnosis of intussusception caused by a colonic lipoma is awareness of the possibility, especially in adult patients with abdominal symptoms and episodes of intestinal obstruction. KEY WORDS: Colon, Lipoma, Colonic lipoma, Intussusception, Intestinal obstruction, Ileus.
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March 2020

Bilateral breast lesions mimicking metastases of hepatocellular carcinoma in a male patient.

Ann Ital Chir 2020 May 11;9. Epub 2020 May 11.

Hepatocellular carcinoma metastases to the breast have been reported only rarely. A 63-year-old male patient with metastatic hepatocellular carcinoma presented with a lump in his left breast. On physical examination, there was a hard, well-circumscribed, and partially mobile mass of 2 cm in diameter in the lower middle quadrant of the left breast. Breast ultrasound revealed a hypoechoic solid lesion of 1.8 cm × 1.9 cm in diameter in the lower middle quadrant of the left breast. F-18 FDG PET/CT imaging revealed bilateral subcutaneous nodular lesions of anterior chest wall that were adjacent but not invasive to the glandular tissues of the breasts, with high SUVmax values. Tru-cut biopsy result of the mass in the left breast region was reported as hepatocellular carcinoma metastasis. Positive immunohistochemical staining for Hep Par 1 and glypican-3 were detected. While the patient was on sorafenib therapy, he died 6 months later. Hepatocellular carcinoma is a common malignancy for which chronic hepatitis B infection has been defined as the most common etiologic factor. The most frequent metastatic sites are the lung, bone, lymphatics, and brain, respectively, and metastases to the breast have been reported extremely rarely. Breast metastasis from non-mammary malignant neoplasm is rare, accounting for approximately 2% of breast tumors. Metastasis to the breast from an extramam mary neoplasm usually indicates disseminated metastatic disease and a poor prognosis. It should be borne in mind that a mass lesion detected in the breast region by physical examination and imaging methods may be a hepatocellular carcinoma metastasis in male or female patients with hepatocellular carcinoma. KEY WORDS: Breast, Hepatocellular carcinoma, Metastasis.
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May 2020

Prolapsed giant rectal gastrointestinal stromal tumor presented with incarceration A rare case of emergency rectal lesion.

Ann Ital Chir 2020 ;91:426-431

Prolapse of the tumor is an extremely rare clinical presentation in patients with rectal gastrointestinal stromal tumor (GIST). A 79-year-old male patient was consulted in the in-patient ward of internal medicine clinic of our hospital due to his incarcerated hemorrhagic mass protruding from the anal canal. Anal inspection revealed an incarcerated prolapsed hemorrhagic mass larger than 10 cm in diameter that looked like a cauliflower. The incarcerated rectal GIST protruding from the anal canal was removed by transanal excision under the emergency conditions. Clean surgical margins were obtained. No postoperative complications occurred. The histological diagnosis of high-risk GIST was made. Imatinib mesylate treatment was started postoperatively. The colorectum are the less common primary sites in adult GISTs (5%). Giant GISTs of the anorectum represent a real potential for anorectal emergency. They may be involved in rectal bleeding, obstruction, prolapse or incarceration. Prolapse of the tumor is an extremely rare clinical presentation in cases of rectal GISTs, and only a few cases have been reported in the medical literature so far. Complete surgical resection with en bloc excision of the tumor is the treatment of choice. Lower rectal GISTs are a rare entity that requires multidisciplinary management and long-term surveillance. We recommend, in case of lower rectal GIST, to perform an initial transanal local excision that achieves the essential R0 resection and define the risk of aggressive behavior and the involvement of the resection margins. Patients' close follow-up is mandatory to disclose as soon as possible local recurrences or metastases. Preoperative imatinib mesylate therapy and downstaging of the tumor may play an important role. KEY WORDS: Gastrointestinal stromal tumor, Incarceration, GIST, Prolapse, Transanal excision.
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January 2020

The efficacy of F-FDG PET/CT in the preoperative evaluation of pancreatic lesions.

Ann Surg Treat Res 2020 Apr 31;98(4):184-189. Epub 2020 Mar 31.

Department of General Surgery, Faculty of Medicine, Cukurova University, Adana, Turkey.

Purpose: Since the treatment strategy for benign and malignant pancreatic lesions differ, we aimed to evaluate the clinical value of PET/CT in the diagnosis and management of pancreatic lesions.

Methods: Ninety patients who had a histologically confirmed pancreatic lesion were studied. Receiver operating characteristic (ROC) curve analysis was used to investigate the ability of PET/CT to differentiate malignant lesions from benign tumors.

Results: The malignant and benign groups comprised 64 and 26 patients, respectively. Despite the similarity in the size of primary tumors (P = 0.588), the mean maximum standardized uptake values (SUVmax) obtained from PET/CT imaging were significantly higher in malignant lesions (9.36 ± 5.9) than those of benign tumors (1.04 ± 2.6, P < 0.001). ROC analysis showed that the optimal SUVmax cutoff value for differentiating malignant lesions (to an accuracy of 91%; 95% confidence interval, 83%-98%) from benign tumors was 3.9 (sensitivity, 92.2%; specificity, 84.6%).

Conclusion: PET/CT evaluation of pancreatic lesions confers advantages including fine assessment of malignant potential with high sensitivity and accuracy using a threshold SUVmax value of 3.9.
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http://dx.doi.org/10.4174/astr.2020.98.4.184DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7118324PMC
April 2020

A prospective comparative study of contrast-enhanced CT, contrast-enhanced MRI and 18F-FDG PET/CT in the preoperative staging of colorectal cancer patients.

Ann Ital Chir 2020 ;91:658-667

Aim: In patients with colorectal cancer an accurate diagnostic work-up is mandatory in order to perform the most specific treatment. In this study, we aimed to evaluate the accuracy of computed tomography (CT), magnetic resonance imaging (MRI) and 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) for detection of regional lymph node metastases (RLNMs) and the additional value of PET/CT in the preoperative staging of colorectal cancer.

Material And Methods: From June 2015 to May 2018, 72 colorectal cancer patients were preoperatively examined using CT, MRI, and PET/CT. Histopathological examination of regional lymph nodes were performed in 53 patients who underwent colorectal surgery. The sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy (ACC) of CT, MRI, and PET/CT for RLNMs, and the additional value of PET/CT in distant metastases were determined.

Results: There were 44 male and 28 female in our study. The mean age was 61±11 years. Histopathologically, 27 patients (51%) were negative and 26 patients (49%) were positive for RLNMs. The sensitivity, specificity, PPV, NPV, and ACC of PET/CT were 88.5%, 59.3%, 67.6%, 84.2%, and 73.6%, respectively. PET/CT changed the patient management with diagnostic contribution to the suspicious lesions identified by radiological imaging modalities.

Conclusion: PET/CT is a useful tool in the evaluation of colorectal cancer, and it allows to metabolically characterize undetermined lesions suspected for recurrence of disease, to perform a complete pre-surgical staging and to identify occult metastatic disease. PET/CT should be considered an essential diagnostic tool in the management of patients with colorectal cancer, especially in the preoperative staging.

Key Words: Colorectal Cancer, Computed tomography, Magnetic resonance imaging, Positron emission tomography.
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January 2020

A prospective comparative study of ultrasonography, contrast-enhanced MRI and 18F-FDG PET/CT for preoperative detection of axillary lymph node metastasis in breast cancer patients.

Ann Ital Chir 2020 ;91:458-464

Aim: We aimed to evaluate; (i) the accuracy of ultrasonography (US), contrast-enhanced magnetic resonance imaging (cMRI) and 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) for detection of axillary lymph node metastases (ALNMs), (ii) the role of late prone imaging, and (iii) the effect of PET/CT on preoperative staging of breast cancer.

Material And Methods: From June 2015 to January 2019, 236 breast cancer patients were preoperatively exam ined using US, cMRI, and PET/CT and whom underwent pathological evaluations of axillary lymph nodes were analyzed. The sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy (ACC) of US, cMRI, and PET/CT for ALNMs were determined.

Results: There were 235 female and one male in our study. The mean age was 55,6±11,3 years. Of 158 patients who were histopathologically evaluated, 85 patients (36%) were negative and 73 patients (30.9%) were positive for ALNMs. The remaining 78 patients who were only radiologically evaluated with US and/or cMRI, 24 patients (10.2%) were negative and 54 patients (22.9%) were positive for ALNMs. The sensitivity, specificity, PPV, NPV, and ACC of PET/CT were 80.0%, 92.2%, 92.0%, 80.3%, and 85.7%, re spectively. The axillary lymph node, which was suspicious in supine imaging, remained in the suspicious group again in prone imaging in PET/CT.

Conclusions: There is no single absolute modality for de tecting ALNMs in breast cancers to replace sentinel lymph node biopsy or axillary lymph node dissection. If ALNM is suspected based on PET/CT, axillary lymph node dissection without sentinel lymph node biopsy might be a better option because it is related to high possibilities of ALNM.

Key Words: Axillary lymph node metastasis, Magnetic resonance imaging, Ultrasonography, 18F-FDG PET/CT.
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January 2020

Primary mesenteric fibromatosis: A single Center experience.

Ann Ital Chir 2020 ;91:283-290

Aim: Primary mesenteric fibromatosis is a rare, locally invasive, non-metastasizing type of intra-abdominal fibromatoses with a very high rate of recurrence. In this study, we aimed to present our surgical approach, tumor characteristics, clinical presentation and long-term follow-up results in cases of primary mesenteric fibromatosis.

Material And Metods: The data collected from 11 patients who underwent surgery due to primary mesenteric fibromatosis in our clinic between 2010 and 2019 were analyzed retrospectively.

Results: Abdominal ipain, abdominal distention, and two patients (18.2%) were operated on with a diagnosis of acute abdomen in the emergency setting due to mechanical bowel obstruction in one patient There were 11 patients in our study. Six patients were female and 5 were male. The mean age was 44.2±15.8 years. Abdominal mass was detected in 5 patients (45.5%) who had complaints of mechanical bowel obstruction such as nausea and vomitingand gastrointestinal perforation in other patient. Mesenteric mass was detected in 3 patients (27.3%) with vague abdominal pain. One patient (9.1%) presented with abdominal pain and swelling of the right leg. After a mean follow-up period of 43.4±28.4 months, only 1 patient (9.1%) had recurrence and required reoperation approximately 80 months after the first operation. One patient (9.1%) died of anastomotic leakage and sepsis in the first 30 days postoperatively, and other patient (9.1%) idied of other reasons 1 year later postoperatively.

Conclusions: Although mesenteric fibromatosis is a benign tumor pathologically, the main principle in the treatment of this tumor which is clinically aggressive and has high recurrence rate is wide surgical resection. Mesenteric fibromatoses have a varied clinical presentation. Radiological imaging methods helps diagnosis and planning the surgical treatment. Immunohistochemical characteristics confirms the diagnosis and differentiates from other similar tumors.

Key Words: Desmoid tumor, Fibromatosis, Mesentery, Mesenteric tumor,Mesenteric fibromatosis.
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January 2020

Intractable external pancreatic fistula post-necrosectomy treated successfully with a fistulojejunostomy.

Ann Ital Chir 2020 Mar 9;9. Epub 2020 Mar 9.

Pancreatic fistula formation is a known complication of pancreatic surgery, pancreatitis, and pancreatic injury. We here report a case of a 65-year-old man who was diagnosed with gallstone-induced acute pancreatitis with walledoff pancreatic necrosis. The patient initially underwent medical treatment and percutaneous drainage at 4 weeks. After a four-week period, a formal laparotomy with necrosectomy, and the catheter drainage of the cavity were performed. Having postoperatively developed a pancreatic fistula, the patient was managed conservatively. After 6 weeks of medical treatment, patient underwent an endoscopic retrograde pancreatography and was diagnosed with disconnected duct syndrome. The conservative management was continued for 3 more months. Pancreatic duct stenting was attempted but was not successful in cannulating the disconnected duct, and he was finally planned for a Roux-en-Y fistulojejnuostomy. The fistulojejunostomy was performed on an average of 6 months after placement of peri-pancreatic drain. The patient recovered uneventfully and is doing well at a 12-month follow-up. Refractory external pancreatic fistula is defined as an external pancreatic fistula not resolving with these measures for longer than 6 weeks. Most fistulas developing after acute pancreatitis are related directly to the need for necrosectomy to treat infected necrosis. Patients are initially approached conservatively. When patients fail to respond to either percutaneous drainage, endoscopic interventions, or novel techniques, operative intervention is the most viable approach to treat the fistula. Fistulojejunostomy is a safe and effective treatment for intractable pancreatic fistula having the benefit of avoiding a difficult major pancreatic resectional surgery, along with low postoperative morbidity and mortality. KEY WORDS: Acute pancreatitis, Pancreatic necrosis, Pancreatic fistula, Fistulojejunostomy.
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March 2020

Spilled gallstones found incidentally in a direct inguinal hernia sac: Report of a case.

Int J Surg Case Rep 2020 19;66:218-220. Epub 2019 Dec 19.

Cukurova University, Faculty of Medicine, Department of Surgical Oncology, Adana, Turkey.

Introduction: Laparoscopic cholecystectomy (LC) is the preferred surgical treatment for symptomatic gallstones. Iatrogenic gallbladder perforation and spillage of gallstones during LC is a frequent occurrence. There are many different clinical presentations of complications resulting from dropped gallstones. We herein present a case of scattered gallstones after LC encountered incidentally during a direct inguinal hernia repair.

Presentation Of Case: A 62-year-old male presented with a 4-year history of swelling of both right and left groins. He had undergone LC for acute calculous cholecystitis at another hospital 5 months earlier. Physical examination revealed reducible both right and left direct inguinal hernias. Surgical exploration of the right side revealed foreign bodies at the fundus of the sac attached to the inner wall, with a fibrotic reaction around it. On closer inspection these foreign bodies were macroscopically consistent with gallstones. The gallstones were removed, and bilateral herniotomies and Lichtenstein's prolene mesh repair were performed. Pathologic evaluation confirmed 10 foreign bodies of 5-mm in size to be cholesterol gallstones.

Discussion: Gallstones have been very rarely reported previously within a hernia sac after LC. Most of the spilled gallstones are clinically silent and rarely become symptomatic. Complications may occur from the immediately postoperative period to a long time interval of 20 years. Treatment of complications is based on its type and location.

Conclusion: This case presents a very rare entity resulting from leaving spilled gallstones behind. We recommend that every effort should be made to retrieve any scattered stones during LC in order to avoid complications.
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http://dx.doi.org/10.1016/j.ijscr.2019.12.018DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6931096PMC
December 2019

In Vivo Healing Effects of Ankaferd Blood Stopper on the Residual Pancreatic Tissue in a Swine Model of Distal Pancreatectomy.

Indian J Surg 2015 Jun 26;77(3):176-81. Epub 2013 Jan 26.

Department of Hematology, Hacettepe University, Faculty of Medicine, Ankara, Turkey.

The aim of this study was to determine whether intraoperative Ankaferd blood stopper (ABS) application into the pancreatic channel and to the pancreatic remnant surface following distal pancreatectomy can or cannot prevent postoperative pancreatic fistula formation. Three pigs underwent distal pancreatectomy under general anesthesia. In two of the pigs, 0.5 ml of ABS was applied to the stump surface area after adding 0.5 ml of ABS into the pancreatic channel. The remaining one animal served as the control. The pigs were sacrificed on the seventh postoperative day for autopsy. The pancreatic remnants from the animals were then taken for histopathological analyses. It was observed that the oral intake had been broken and abdominal distention had developed in the control pig following on the third postoperative day. However, no significant clinical changes were observed in the ABS-applied pigs. In the autopsy, it was found that the control pig had generalized peritonitis with pancreatic necrosis. On the other hand, the ABS-applied pigs had either macroscopically and microscopically normal pancreatic tissue architecture with an occluded Wirsung duct at the pancreatic stump. It was concluded that application of ABS on the transected surface and into the pancreatic channel could prevent pancreatic fistula formation and improve wound healing in the residual pancreatic tissue following distal pancreatectomy.
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http://dx.doi.org/10.1007/s12262-013-0828-1DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4522256PMC
June 2015

Giant anorectal condyloma acuminatum of buschke-lowenstein: successful plastic reconstruction with bilateral gluteal musculocutaneous v-y advancement flap.

Indian J Surg 2013 Jun 16;75(Suppl 1):168-70. Epub 2012 Jun 16.

Department of Gastroenterological Surgery, Turkey Yuksek Ihtisas Teaching and Research Hospital, Ankara, Turkey.

A 58-year-old male patient presented with an anorectal verrucous carcinoma, also known as Buschke-Lowenstein tumor. Clinically, the lesion of the patient best resembled giant condyloma acuminatum with a cauliflower-like appearance. The diagnosis was confirmed with biopsy and an abdominoperineal resection was performed. The perineal defect was reconstructed with bilateral gluteal musculocutaneous V-Y advancement flap. Both functional and cosmetic results 6 years after the operation were excellent. To date, no recurrence has been noted. As long as one is aware of its existence and of its characteristic appearances, the Buschke-Lowenstein tumor is fairly easily diagnosed. The treatment of choice remains surgical resection, and adequate follow-up is essential.
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http://dx.doi.org/10.1007/s12262-012-0579-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3693380PMC
June 2013

Multiple synchronous anorectal malignant melanoma coexisting with adenocarcinoma of the sigmoid colon.

Indian J Surg 2013 Apr 24;75(2):164-6. Epub 2012 Jun 24.

Department of Gastroenterological Surgery, Turkey Yuksek Ihtisas Teaching and Research Hospital, Ankara, Turkey.

Primary anorectal malignant melanoma is an exceptionally rare neoplasm associated with poor prognosis. Anorectal malignant melanoma has been very rarely described with coexisting primary tumors of the colorectum. A 56-year-old female patient was admitted with a history of rectal bleeding. She had experienced increasing constipation and a sense of obstruction in the rectum for 6 months. Flexible rectosigmoidoscopy showed a large, pedinculated polypoid lesion extending from the anal canal to the rectum. She underwent a transanal local excision and was diagnosed with a melanoma of the anorectum with positive margins. Therefore, a formal abdominoperineal resection was performed. In addition to multiple synchronous anorectal malignant melanoma, we incidentally found another primary tumor in the proximal surgical margin of the resected specimen. Histopathologically, the lesion was an intramucosal adenocarcinoma of the sigmoid colon. Postoperatively, the patient received adjuvant chemotherapy of six cycles duration. At present, the patient has completed 18 months of follow-up.
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http://dx.doi.org/10.1007/s12262-012-0641-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3644160PMC
April 2013

Caffeic acid phenethyl ester alleviates mesenteric ischemia/reperfusion injury.

J Invest Surg 2012 Dec;25(6):354-65

Department of Gastroenterological Surgery, Turkey Yuksek Ihtisas Teaching and Research Hospital, Ankara, Turkey. zteke

Purpose: We aimed to investigate the effects of caffeic acid phenethyl ester (CAPE) on intestinal mucosal injury induced by superior mesenteric occlusion.

Methods: This experimental study was conducted on 48 male Wistar-albino rats. The animals were randomly allocated into four groups: (i) Sham-operated group, laparotomy without intestinal ischemia/reperfusion (IR) injury (n = 12); (ii) Sham + CAPE group, identical to group 1 except for CAPE treatment (10 μmol/kg, intravenously) (n = 12); (iii) Intestinal IR group, 60 min of superior mesenteric ischemia followed by 3 hr of reperfusion (n = 12); and (iv) (IR + CAPE)-treated group, 10 μmol/kg injection of CAPE intravenously 30 min before the reperfusion period (n = 12). We evaluated the degree of intestinal mucosal injury on a grading scale, histopathologically, and by measuring oxidative stress markers and antioxidant parameters, biochemically. Intestinal edema was estimated by using wet/dry weight ratios. The plasma proinflammatory cytokine levels were measured. Animal survival was observed up to one week.

Results: Intestinal mucosal injury scores were significantly decreased with CAPE administration (p < .05). CAPE treatment significantly reduced oxidative stress markers in the intestinal tissues (p < .05) and the plasma proinflammatory cytokine levels (p < .05), and significantly increased antioxidant parameters in the intestinal tissues (p < .05). Intestinal edema was significantly alleviated by CAPE treatment (p < .05). The survival rates of CAPE-treated IR animals were significantly higher than IR-subjected rats (p < .05).

Conclusion: This study clearly showed that CAPE treatment significantly alleviated the intestinal mucosal injury caused by superior mesenteric ischemia/reperfusion. Further clinical studies are required to clarify whether CAPE has a useful role in reperfusion injury during particular surgeries in which IR-induced organ injury occurs.
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http://dx.doi.org/10.3109/08941939.2012.677968DOI Listing
December 2012

Effects of caffeic acid phenethyl ester on anastomotic healing in secondary peritonitis.

J Invest Surg 2012 Oct;25(5):301-10

Department of Gastroenterological Surgery, Turkey Yuksek Ihtisas Teaching and Research Hospital, Ankara, Turkey. zteke

Purpose: We aimed to investigate the effects of caffeic acid phenethyl ester (CAPE) on wound healing in left colonic anastomoses in the presence of intraperitoneal sepsis induced by cecal ligation and puncture (CLP) in a rodent model.

Methods: This experimental study was conducted on 48 male Wistar albino rats. The animals were randomly allocated into four groups and a left colonic anastomosis was performed on the day following sham operation or CLP in all rats: (i) sham-operated control group, laparatomy plus cecal mobilization (n = 12) (Group 1), (ii) sham + CAPE group, identical to Group 1 except for CAPE treatment (10 μmol/kg, intraperitoneally, 30 min before construction of the colonic anastomosis) (n = 12) (Group 2), (iii) CLP group, cecal ligation and puncture (n = 12) (Group 3), and (iv) CLP + CAPE-treated group, 10 μmol/kg, intraperitoneally, 30 min before the construction of colonic anastomosis (n = 12) (Group 4). On the postoperative day 7, the animals were subjected to relaparotomy for in-vivo measurement of the colonic anastomotic bursting pressure. A colonic segment including the anastomotic site was resected for histopathological evaluation and biochemical analyses of hydroxyproline (Hyp) contents, myeloperoxidase (MPO) acivity, malondialdehyde (MDA) levels, reduced glutathione (GSH) levels, and superoxide dismutase (SOD) activity. Body weight changes were examined.

Results: CAPE treatment significantly increased colonic anastomotic bursting pressures (p < .05), colonic anastomotic tissue Hyp contents, and enzymatic and nonenzymatic antioxidant markers (p < .05), and significantly decreased oxidative stress parameters in colonic anastomotic tissues (p < .05). Histopathological scores were significantly better by CAPE administration (p < .05).

Conclusion: This study clearly showed that CAPE treatment prevented the detrimental effects of intraperitoneal sepsis on colonic anastomotic wound healing. Further clinical studies are required to determine whether CAPE has a useful role in the enhancement of gastrointestinal anastomotic wound healing during particular surgeries in which sepsis-induced organ injury occurs.
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http://dx.doi.org/10.3109/08941939.2011.646450DOI Listing
October 2012

Effects of oriental sweet gum storax on porcine wound healing.

J Invest Surg 2012 Aug;25(4):262-70

Department of Plastic and Reconstructive Surgery, School of Medicine, Pamukkale University, Denizli, Turkey.

Purpose: The objective of the present study was to assess the effects of oriental sweet gum (Liquidambar orientalis Mill.) storax on partial-thickness and full-thickness wounds compared to conventional wound dressings in a porcine model.

Methods: Six young Yorkshire pigs were used. Sixteen square excisional wounds measuring 3 × 3 cm were performed per animal. The wounds were allocated to one of the four treatment modalities: storax, hydrocolloid dressing, silver sulfadiazine, and control groups. Partial-thickness wounds were created in two pigs, and tissue samples were harvested on days 4 and 8, respectively. Full-thickness wounds were created in four pigs, and tissue samples were taken on days 4, 8, 14, and 21, respectively. Histologically, all wounds were examined for re-epithelialization and granulation tissue formation. Tissue hydroxyproline content and wound contraction areas were measured.

Results: In storax-applied group, there was a greater depth of granulation tissue at 4 and 8 days compared to all other groups (p < .0125), and there was a faster re-epithelialization at 21 days compared to both hydrocolloid dressing and control groups in full-thickness wounds (p < .0125). Tissue hydroxyproline content and wound contraction did not differ significantly between the groups.

Conclusion: The results of this study indicate that topical application of storax enhanced both re-epithelialization and granulation tissue formation in full-thickness wounds. Further studies are indicated in this important area of wound healing research to evaluate the clinical efficacy of this storax and search for the mechanisms that explain its effects.
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http://dx.doi.org/10.3109/08941939.2011.639847DOI Listing
August 2012

Caffeic acid phenethyl ester prevents detrimental effects of remote ischemia-reperfusion injury on healing of colonic anastomoses.

J Invest Surg 2013 Feb 30;26(1):16-29. Epub 2012 May 30.

Department of Gastroenterological Surgery, Turkey Yuksek Ihtisas Teaching and Research Hospital, Ankara, Turkey.

Purpose: We aimed to investigate whether caffeic acid phenethyl ester (CAPE) prevents detrimental systemic effects of intestinal ischemia-reperfusion (IR) injury on colonic anastomotic wound healing.

Methods: This experimental study was conducted on 48 male Wistar albino rats. The rats were randomly allocated into four groups and a left colonic anastomosis was performed in all rats: (i) sham-operated group (n = 12), laparatomy without intestinal IR injury; (ii) sham + CAPE group (n = 12), identical to Group 1 except for CAPE treatment (10 μmol/kg, intravenously); (iii) intestinal IR group (n = 12), 60 min of superior mesenteric ischemia followed by reperfusion; and (iv) IR + CAPE-treated group (n = 12) (10 μmol/kg, intravenously, 30 min before the construction of colonic anastomosis). On the postoperative day 7, the rats were subjected to relaparotomy for in vivo measurement of the colonic anastomotic bursting pressure. A colonic segment including the anastomotic site was resected for histopathological evaluation and biochemical analyses. The plasma proinflammatory cytokine levels were measured. Body weight changes were examined.

Results: CAPE treatment significantly increased colonic anastomotic bursting pressures, and colonic anastomotic tissue hydroxyproline contents and antioxidant parameters (p < .05), and significantly decreased oxidative stress markers in colonic anastomotic tissues and plasma proinflammatory cytokine levels (p < .05). Histopathological scores were significantly better due to CAPE administration (p < .05).

Conclusions: This study clearly showed that CAPE treatment prevented the delaying effects of remote IR injury on colonic anastomotic wound healing. Further clinical studies are required to determine whether CAPE has a useful role in the enhancement of gastrointestinal anastomotic wound healing during particular surgeries in which IR-induced organ injury occurs.
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http://dx.doi.org/10.3109/08941939.2012.687434DOI Listing
February 2013

Management of choledochal cysts in adults: a retrospective analysis of 23 patients.

Hepatogastroenterology 2012 Jun;59(116):1155-9

Department of Gastroenterological Surgery, Turkiye Yuksek Ihtisas Teaching and Research Hospital, Ankara, Turkey.

Background/aims: Choledochal cysts are rare congenital anomalies of the pancreaticobiliary system, whose etiology remains unknown. We aimed to review patients with choledochal cysts and to compare our results with current literature.

Methodology: Twenty-three patients diagnosed as having choledochal cysts between January 2004 and July 2010 were evaluated retrospectively.

Results: Thirteen patients had type I (56.5%), 3 patients type II (13%), 3 patients type III (13%), 1 patient type IV-A (8.3%) and the remaining 3 patients had type V (13%) choledochal cysts. All patients with type I cysts underwent cyst excision with Roux-en-Y hepaticojejunostomy. Two patients with type II cysts underwent cyst excision with choledochoduodenostomy, whereas cyst excision with T-tube drainage was applied to the other. Endoscopic unroofing was performed type III cysts. The patient with type IV-A cyst was not eligible for surgery due to low cardiopulmonary performance status but ERCP was applied successfully more than 3 times for the extraction of the stones which fell from the intrahepatic ducts into the common bile duct. Patients with Type V cysts underwent left hepatectomy, choledocoduodenostomy and cadaveric liver transplantation, respectively. Wound infection developed in 5 patients and anastomotic leakage occurred in 3; one died from sepsis.

Conclusions: Choledochal cysts are rare congenital malformations. Although treatment varies depending on the type of the cysts, complete excision of the cysts should be performed if possible.
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http://dx.doi.org/10.5754/hge10827DOI Listing
June 2012

The effect of phlebotomy and mannitol on acute renal injury induced by ischemia/reperfusion of lower limbs in rats.

Ann Vasc Surg 2011 Nov;25(8):1118-28

Department of Cardiovascular Surgery, School of Medicine, Pamukkale University, Denizli, Turkey.

Background: Abdominal aortic surgery can cause ischemic/reperfusion (I/R) injury not only in the lower limbs but also in remote organs such as kidneys. Venous blood volume exclusion from the inferior vena cava (phlebotomy) or/and mannitol are used as a treatment for I/R injury of kidney in humans, despite the fact that the effectiveness of these treatments is still debated. The aim of this study was to evaluate the effects of phlebotomy or/and mannitol on rat kidneys in a model of lower limbs I/R-induced acute renal injury (ARI).

Material And Methods: Thirty male Wistar albino rats were used and divided into five groups: (I) sham-operated group, laparotomy without I/R injury (group [S], n = 6); (II) I/R group, infrarenal aortic cross-clamp was used for lower limbs I/R, 3 hours of ischemia followed by 2 hours of reperfusion (group [I/R], n = 6); (III) I/R + phlebotomy group, identical to group [I/R] except for 1 mL of blood aspiration from the inferior caval vein just after ischemia (group [P], n = 6); (IV) I/R + mannitol-treated group, these rats were subjected to I/R and received a bolus injection of mannitol (group [M], n = 6); and (V) I/R + phlebotomy + mannitol-treated group (group [P + M], n = 6), the same procedures were performed as those described for previous groups. At the end of 2-hour reperfusion, all rats were sacrificed. Both kidneys were harvested for biochemical assay (myeloperoxidase [MPO] and superoxide dismutase [SOD] activities, and malondialdehyde [MDA] and reduced glutathione levels) and for histopathological examination (tubular necrosis and acute inflammation on kidney [ARI score]).

Results: Aortic I/R significantly increased the level of MDA (reflecting lipid peroxidation), SOD (enzymatic endogenous antioxidant), and MPO (reflecting neutrophil infiltration) activity (p < 0.05). Phlebotomy or/and mannitol treatments significantly decreased the level of MDA, SOD, and MPO activity and increased glutathione level (nonenzymatic antioxidant in the kidney tissues) (p < 0.05). Histological evaluation of ARI score showed that aortic I/R significantly increased (p value for group [S] versus group [I/R] was 0.012), whereas phlebotomy or/and mannitol treatments significantly decreased tubular necrosis and inflammatory infiltration (p values for group [I/R] versus group [P], [M], and [P + M] were 0.043, 0.043, and 0.003, respectively).

Conclusion: This experiment clearly indicated that the lower limbs I/R-induced ARI attenuated significantly by phlebotomy or/and mannitol treatments. Phlebotomy plus mannitol is more effective treatment than phlebotomy or mannitol alone in preventing lower limbs I/R-induced ARI in rats. Further clinical studies are required to clarify whether phlebotomy or/and mannitol treatments are beneficial in alleviating of ARI during abdominal aortic surgery.
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http://dx.doi.org/10.1016/j.avsg.2011.07.007DOI Listing
November 2011

Surgical outcomes of laparoscopic cholecystectomy in scleroatrophic gallbladders.

Turk J Gastroenterol 2011 ;22(2):183-9

Department of Gastroenterological Surgery, Yuksek İhtisas Teaching and Research Hospital, Ankara, Turkey.

Background/aims: Macroscopic appearance of the gallbladder is an important factor in laparoscopic cholecystectomy. The aim of this study was to evaluate surgical outcomes in patients with scleroatrophic gallbladders who underwent laparoscopic cholecystectomy.

Methods: From 2002-2007, 295 patients were found to have a scleroatrophic gallbladder during laparoscopic cholecystectomy. The investigated variables included gender, age, body mass index, preoperative ultrasound evidence of gallbladder wall thickening, number of gallstones, diameter of common bile duct, preoperative endoscopic retrograde cholangiopancreatography, surgeon's experience, gallbladder adhesion score, drain use, conversion rate, operative time, intraoperative and postoperative complications, mortality, and length of hospital stay.

Results: Most of the patients were male (56.3%). Overall mean age was 55.50±13.75 years. Mean body mass index was 27.91±4.43 kg/m2. Based on preoperative ultrasound findings, thickened gallbladder wall was present in 30.8% of patients, dilated common bile duct in 30.2% and multiple gallstones in 83.1%. Preoperative endoscopic retrograde cholangiopancreatography was performed in 32.5% of patients. High-grade adhesions (≥III) were encountered in 68.1% of patients. The conversion rate was 23.1%. The overall intraoperative complication rate was 31.5%. Drains were used in 63.7% of patients. Mean operative time was 65.2±32.6 minutes. The rate of postoperative complications was 9.5%. Median hospital stay was 1 day (range: 1-31 days). Mortality occurred in 3 patients (1.0%).

Conclusions: This study demonstrates that scleroatrophic gallbladders present more difficulties during laparoscopic cholecystectomy and are associated with a higher conversion rate. Therefore, it is highly important that patients whose preoperative imaging studies suggest a scleroatrophic gallbladder be referred to an experienced center for hepato-biliary surgery.
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http://dx.doi.org/10.4318/tjg.2011.0188DOI Listing
December 2011

Mannitol attenuates acute lung injury induced by infrarenal aortic occlusion-reperfusion in rats.

Surg Today 2011 Jul 12;41(7):955-65. Epub 2011 Jul 12.

Department of Gastroenterological Surgery, Turkey Yuksek Ihtisas Teaching and Research Hospital, Ankara, Turkey.

Purpose: Mannitol is used as a treatment for ischemia/reperfusion (IR) injury of various organs in humans, despite the fact that its effectiveness in vivo is still disputed. The purpose of this study was to determine the effects of mannitol on acute lung injury (ALI) induced by infrarenal aortic occlusion.

Methods: Male Wistar-albino rats were allocated into five groups: (i) sham-operated group, which received a laparotomy without IR injury (n = 12); (ii) IR group, which received 3 h of ischemia followed by 2 h of reperfusion (n = 12); (iii) IR + inferior caval phlebotomy (ICP) group, which was identical to group 2 except for 1 ml of blood aspiration from the inferior caval vein (n = 12); (iv) IR + mannitol-treated group, for which rats were subjected to IR and received a bolus injection of mannitol (n = 12); and (v) IR + ICP + mannitol-treated group, which underwent the same procedures as described for the previous groups. Arterial blood gas parameters were studied and bronchoalveolar lavage (BAL) was performed. Evans blue dye was injected into half of the rats. We biochemically assessed the degree of pulmonary tissue injury by investigating oxidative stress markers and enzymatic and nonenzymatic antioxidant markers, and evaluated ALI by establishing pulmonary leukosequestration and ALI scoring, histopathologically. Pulmonary edema was estimated by using Evans blue dye extravasation and wet/dry weight ratios.

Results: Hypertonic mannitol treatment significantly reduced oxidative stress markers, and significantly increased enzymatic and nonenzymatic antioxidant markers in the lung tissues (P < 0.05). Arterial blood gas parameters were significantly ameliorated (P < 0.05), the BAL cytology was significantly better (P < 0.05), pulmonary leukosequestration and ALI scores were significantly decreased (P < 0.05), and pulmonary edema was significantly alleviated (P < 0.05) by mannitol administration.

Conclusion: This study clearly showed that mannitol treatment significantly attenuated the aortic IR-induced ALI. Further clinical studies are required to clarify whether mannitol has a useful role in ALI during surgeries in which IR-induced organ injury occurs.
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http://dx.doi.org/10.1007/s00595-010-4394-xDOI Listing
July 2011

Giant hemorrhagic adrenal pseudocyst in a primiparous pregnancy: report of a case.

Surg Today 2011 Jan 30;41(1):153-8. Epub 2010 Dec 30.

Department of Gastroenterological Surgery, Turkiye Yuksek Ihtisas Teaching and Research Hospital, Ankara, Turkey.

Adrenal cysts are rare and are usually discovered incidentally during diagnostic imaging, surgery, or autopsy. Most cystic lesions of the adrenal gland are nonfunctioning and become symptomatic when complicated by rupture, hemorrhage, or infection. A 40-year-old woman presented with a history of gradual-onset pain in her left flank region at 20 weeks' gestation. Ultrasound showed a 20-cm cystic mass in her left abdominal cavity. Pertinent laboratory tests were within normal limits. The patient underwent exploratory laparotomy, which revealed a 20 × 15-cm left adrenal cyst; thus, we performed left adrenalectomy with complete excision of the cyst. Histological examination confirmed a hemorrhagic adrenal pseudocyst. The patient had an uneventful postoperative course, and subsequent routine obstetric ultrasound examinations showed normal fetal activity and development until the pregnancy terminated with a stillbirth caused by pre-eclampsia at 34 weeks' gestation. To the best of our knowledge, this is only the 12th reported case of adrenal pseudocyst discovered during pregnancy. We analyze the clinicopathologic findings and discuss the possible association of pregnancy, with special reference to etiopathogenesis, presentation, diagnosis, and treatment.
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http://dx.doi.org/10.1007/s00595-009-4207-2DOI Listing
January 2011

Hepar lobatum carcinomatosum associated with metastatic rectal carcinoma: an unusual cause of liver dysmorphy.

Med Princ Pract 2011 13;20(1):93-6. Epub 2010 Dec 13.

Department of Gastroenterological Surgery, Turkey Yuksek Ihtisas Teaching and Research Hospital, Ankara, Turkey.

Objective: The aim of this study was to present a case of hepar lobatum resulting from metastatic rectal carcinoma.

Clinical Presentation And Intervention: A 50-year-old man presented with a 2-year history of bleeding per anum, tenesmus, malaise and weakness. Initially, the patient received neoadjuvant chemoradiotherapy followed by abdominoperineal resection of the rectum. Abdominal computed tomography showed lobar enlargement and lobulated contour, mainly in the left lobe of the liver, but no primary or metastatic lesions were detected. Laparotomy revealed an irregularly lobulated hepatic deformity. Liver biopsy showed a necrotic tumor growth from adenocarcinoma of the rectum in subcapsular localizationof the liver.

Conclusion: This case showed a patient with hepar lobatum carcinomatosum caused by metastatic rectal carcinoma. The report further highlights the need for clinicians and surgeons to keep in mind the possibility of hepar lobatum carcinomatosum while caring for rectal carcinoma patients, especially when the lobulated contour of the liver is detected at preoperative imaging studies or when the coarsely lobated liver is encountered during surgery for carcinoma of the rectum.
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http://dx.doi.org/10.1159/000319922DOI Listing
April 2011

Surgical outcomes of laparoscopic cholecystectomy in scleroatrophic gallbladders.

Turk J Gastroenterol 2010 Jun;21(2):156-62

Department of Gastroenterological Surgery, Turkey Yüksek Ihtisas Teaching and Research Hospital, Ankara.

Background/aims: Macroscopic appearance of the gallbladder is an important factor in laparoscopic cholecystectomy. The aim of this study was to evaluate surgical outcomes in patients with scleroatrophic gallbladders who underwent laparoscopic cholecystectomy.

Methods: From 2002-2007, 295 patients were found to have a scleroatrophic gallbladder during laparoscopic cholecystectomy. Investigated variables included gender, age, body mass index, preoperative ultrasound evidence of gallbladder wall thickening, number of gallstones, diameter of common bile duct, preoperative endoscopic retrograde cholangiopancreatography, surgeon's experience, gallbladder adhesion score, drain use, conversion rate, operative time, intraoperative and postoperative complications, mortality, and length of hospital stay.

Results: Most of the patients were male (56.3%). Overall mean age was 55.50 ± 13.75 years. Mean body mass index was 27.91 ± 4.43 kg/m2. Based on preoperative ultrasound findings, thickened gallbladder wall was present in 30.8% of patients, dilated common bile duct in 30.2%, and multiple gallstones in 83.1%. Preoperative endoscopic retrograde cholangiopancreatography was performed in 32.5% of patients. High-grade adhesions (≥ III) were encountered in 68.1% of patients. The conversion rate was 23.1%. The overall intraoperative complication rate was 31.5%. Drains were used in 63.7% of patients. Mean operative time was 65.2 ± 32.6 minutes. The rate of postoperative complications was 9.5%. Median hospital stay was 1 day (range: 1-31 days). Mortality occurred in three patients (1.0%).

Conclusions: This study demonstrates that scleroatrophic gallbladders present more difficulties for laparoscopic cholecystectomy and are associated with a higher conversion rate. Therefore, it is highly important that patients whose preoperative imaging studies suggest a scleroatrophic gallbladder be referred to an experienced center for hepato-biliary surgery.
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http://dx.doi.org/10.4318/tjg.2010.0075DOI Listing
June 2010