12,298 results match your criteria Mesenteric Tumors

F-Fluorodihydroxyphenylalanine PET/CT at the Forefront for Initial and/or Pre-surgical Evaluation of Small Intestine Neuroendocrine Tumors.

J Nucl Med 2022 May 19. Epub 2022 May 19.

Nuclear Medicine and Molecular Imaging, Institut de Cancérologie Strasbourg Europe (ICANS), France.

To compare the respective value of Ga-DOTATOC and F-DOPA PET/CT for initial staging or pre-surgical work-up of patients with small intestine neuroendocrine tumors (SiNET). This is a retrospective, multicenter, non-interventional investigation involving 53 non-operated SiNET patients who underwent both Ga-DOTATOC and F-DOPA PET/CT within a 6-months interval without therapeutic intervention or change between the two PET/CT studies. Detection rate (DR %) was calculated according to per-region and per-lesion analyses. Read More

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ROS1-positive Inflammatory Myofibroblastic Tumor of the Small Bowel Causing Obstruction: A Case Report.

J Radiol Case Rep 2022 Jan 1;16(1):14-21. Epub 2022 Jan 1.

The Institute of Pathology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.

Inflammatory Myofibroblastic Tumors (IMTs) are rare fibroblastic/myofibroblastic neoplasms that affect predominately pediatric patients and young adults. Almost half of the patients with IMTs have a chromosomal abnormality in the Anaplastic Lymphoma Kinase 1 gene on chromosome 2p23. Although these tumors occur primarily in the lung, lesions have been reported in a variety of intra-abdominal organs like the liver, spleen, and mesentery. Read More

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January 2022

Mesentery solitary fibrous tumor with postoperative recurrence and sarcomatosis: A case report and review of literature.

World J Clin Oncol 2022 Apr;13(4):303-313

Peritoneal Surface Malignancy Center, Kishiwada Tokushukai Hospital, Osaka 596-8522, Japan.

Background: Solitary fibrous tumors are rare neoplasms of mesenchymal origin. They are often of low malignant potential and rarely metastasize. They frequently arise from the pleura and can occur at any soft tissue site in the body. Read More

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Molecular and Immunologic Techniques in a Genetically Engineered Mouse Model of Gastrointestinal Stromal Tumor.

J Vis Exp 2022 May 2(183). Epub 2022 May 2.

Department of Surgery, Hospital of the University of Pennsylvania;

Gastrointestinal stromal tumor (GIST) is the most common human sarcoma and is typically driven by a single mutation in the KIT receptor. Across tumor types, numerous mouse models have been developed in order to investigate the next generation of cancer therapies. However, in GIST, most in vivo studies use xenograft mouse models which have inherent limitations. Read More

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Acute appendicitis revealing a giant mesenteric pseudocyst: case report.

Pan Afr Med J 2022 4;41:178. Epub 2022 Mar 4.

Cheikh Anta Diop University, Dakar, Senegal.

Mesenteric pseuodycst is a very rare benign childhood tumor, accounting for less than 1 out of 250,000 hospital admissions. We here report a case of giant mesenteric pseudocyst incidentally detected in a 11-year-old boy with acute appendicitis. He complained of persistent abdominal pain for the past 48 hours. Read More

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What Causes Desmoplastic Reaction in Small Intestinal Neuroendocrine Neoplasms?

Curr Oncol Rep 2022 May 13. Epub 2022 May 13.

Neuroendocrine Tumour Unit - ENETS Centre of Excellence, Royal Free Hospital, London, NW3 2QG, UK.

Purpose Of Review: Mesenteric desmoplasia in small intestinal neuroendocrine neoplasms (SINENs) is associated with increased morbidity and mortality. In this paper, we discuss the development of desmoplasia in SINENs.

Recent Findings: The fibrotic reactions associated with these tumours could be limited to the loco-regional environment of the tumour and/or at distant sites. Read More

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Lymph node recurrence after right colon resection for cancer: evidence for the utilisation of complete mesocolic excision.

BMJ Case Rep 2022 May 12;15(5). Epub 2022 May 12.

Colorectal Surgery, Cleveland Clinic, Cleveland, OH, USA.

Complete mesocolic excision (CME) of colon cancer is a resection performed along embryological planes to include the completely intact mesentery surrounding the tumour with a high central vascular ligation. The aim is to remove all lymph nodes draining the cancer. Proponents of the technique cite the significantly decreased local recurrence and improved 5-year survival rates associated with CME versus conventional colectomy. Read More

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Preservation versus nonpreservation of the left colic artery in anterior resection for rectal cancer: a propensity score-matched analysis.

BMC Surg 2022 May 10;22(1):164. Epub 2022 May 10.

Department of General Surgery, Daping Hospital, Army Medical University, No. 10, Changjiang Branch Road, Daping, Yuzhong District, Chongqing, 400042, China.

Background: Preserving the left colic artery (LCA) during anterior resection for rectal cancer is controversial, and robust evidence of the outcomes of LCA preservation plus apical lymph node dissection is lacking. The purpose of this study was to investigate the impact of LCA preservation plus apical lymph node dissection surgery on anastomotic leakage and number of harvested lymph nodes.

Methods: Patients who underwent laparoscopic or robotic anterior resection for rectal cancer between September 2017 and May 2020 were retrospectively assessed. Read More

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Dynamic proteomic change of tumor and immune organs in an immune-competent hepatocellular carcinoma mouse model.

Am J Cancer Res 2022 15;12(4):1621-1634. Epub 2022 Apr 15.

State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics Beijing 102206, China.

Subcutaneous implantation of a human cancer cell line in immune-deficient mice (CDX) is a commonly used tool in preclinical studies for the assessment of potential anti-cancer drugs. As immunotherapy is transforming cancer treatment, tumor models in immunocompetent mice are necessary for us to understand the immune aspects of tumor biology. However, the systemic immune response to the implantation of cancer cells at proteome level is unclear. Read More

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Primary extraskeletal osteosarcoma of small bowel mesentery presenting with acute bowel obstruction.

J Radiol Case Rep 2021 Dec 1;15(12):10-19. Epub 2021 Dec 1.

Department of Pathology, National University Hospital, Singapore.

Extraskeletal osteosarcoma of the small bowel mesentery is an exceedingly rare condition. It is an aggressive malignant neoplasm of mesenchymal origin characterized by osteoid formation. Final diagnosis is often made by histopathological analysis. Read More

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December 2021

Mesenteric panniculitis does not confer an increased risk for cancers: A systematic review and meta-analysis.

Medicine (Baltimore) 2022 Apr 29;101(17):e29143. Epub 2022 Apr 29.

Department of Gastroenterology and Hepatology, Changi General Hospital, SingHealth, Singapore.

Background: Mesenteric panniculitis (MP) is a non-specific, localized inflammation at the mesentery of small intestines which often gets detected on computed tomography. An association with malignant neoplasms remains unclear. We performed a systematic review and meta-analysis to examine the association of malignancy with MP. Read More

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Primary Myelofibrosis in the Prefibrotic Stage Presenting as Portal, Splenic, and Superior Mesenteric Vein Thrombosis: A Case Report and Review of the Literature.

GE Port J Gastroenterol 2022 Mar 4;29(2):125-131. Epub 2021 May 4.

Gastroenterology Department, Centro Hospitalar de São João, Porto, Portugal.

Introduction: Myeloproliferative neoplasms are the most common cause of splanchnic vein thrombosis in the absence of cirrhosis or nearby malignancy.

Case Presentation: A 31-year-old male presented to the emergency department with epigastric pain associated with mild thrombocytosis and elevated levels of aminotransferases, lactate dehydrogenase, and C-reactive protein. Contrast-enhanced abdominal computed tomography revealed splanchnic venous thrombosis that involved the portal, splenic, and superior mesenteric veins, without signs of chronic liver disease. Read More

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Prognostic Value of the Regional Lymph Node Station in Pancreatic Neuroendocrine Tumor.

Anticancer Res 2022 May;42(5):2797-2801

Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan.

Background/aim: Little is known regarding the impact of lymph node dissection on survival benefit after curative resection for pancreatic neuroendocrine tumor (PNET). This study aimed to evaluate the efficacy of lymph node dissection based on tumor location of PNET.

Patients And Methods: A retrospective study, including 50 patients with surgical resection for PNET between 2004 and 2020, was performed. Read More

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Effect of Systemic or Intraperitoneal Administration of Anti-PD-1 Antibody for Peritoneal Metastases from Gastric Cancer.

In Vivo 2022 May-Jun;36(3):1126-1135

Department of Gastrointestinal Surgery, Jichi Medical University, Simotsuke, Japan

Background/aim: Programmed death-1 (PD-1)/PD-ligand 1 (PD-L1) blockade therapy is widely used for the treatment of patients with metastatic gastric cancer (GC). However, it is unclear how PD-1 antibodies affect the local immunity related to the growth of peritoneal metastases (PM). The clinical efficacy of PD-1/PD-L1 inhibitors against PM from GC has not been clearly determined. Read More

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Multiple vascular reconstructions during pancreatectomy: Surgical techniques and strategies.

Vascular 2022 Apr 28:17085381221091053. Epub 2022 Apr 28.

Department of Cardiovascular Surgery, 518003Lokman Hekim Akay Hospital, Ankara, Turkey.

Objectives: Pancreatic body and tail tumors account for one-third of all pancreatic tumors and can be diagnosed later than pancreatic head tumors because they present symptoms much later. When analyzed, most of them are generally unresectable because they are invaded into adjacent organs and vascular structures. We aimed to present our cases of vascular resection and anastomosis, where isolated tumor resection cannot be performed due to invasion of adjacent vascular structures. Read More

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[Superior Mesenteric Artery Embolism following Left Upper Lobectomy for Lung Cancer].

Kyobu Geka 2022 May;75(5):368-371

Department of Thoracic Surgery, Kobari General Hospital, Noda, Japan.

We report a case of superior mesenteric artery( SMA) embolism on the seventh day after lung resection. The patient is a 76-year-old woman. She underwent complete thoracoscopic left upper lobectomy and systematic lymph node dissection for adenocarcinoma of the lung. Read More

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Gastrointestinal stromal tumor as mimicking gynecological mass finding on CT scan imaging: A case report.

Int J Surg Case Rep 2022 Apr 18;94:107092. Epub 2022 Apr 18.

Department of Radiology, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo General Academic Hospital, Surabaya, Indonesia. Electronic address:

Introduction: Gastrointestinal stromal tumor (GIST) is a term to describe the distant spread (metastasis) of primary tumors to the peritoneal cavity.

Case Presentation: A 48-year-old woman complained of dilated stomach, stomachache, and nausea. Laboratory findings showed an increase in the tumor marker, CA-125147 U/mL and also LDH 350 U/L while quantitative total β HCG and CEA were normal. Read More

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Usefulness of Computed Tomography Angiography in the Preoperative Workup of Patients With Colorectal Cancer.

J Comput Assist Tomogr 2022 May-Jun 01;46(3):349-354. Epub 2022 Mar 18.

From the Department of Radiology, Complexo Hospitalario Universitario de Santiago de Compostela Choupana, Santiago de Compostela (A Coruña), Spain.

Objectives: The objective of this study is to analyze the main patterns of branching of the inferior mesenteric artery (IMA) and to determine if your knowledge changes the surgical strategy in the colorectal cancer.

Methods: This retrospective study included 63 patients with cancer of the sigmoid or rectum. We assessed the patterns of IMA in 3 subtypes: type A (independent left colic artery [LCA]), type B (LCA and sigmoid artery arising in a common trunk) and type C (LCA, sigmoid artery, and superior rectal artery with a common origin). Read More

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Extremely Aggressive Mesenteric Extragastrointestinal Stromal Tumor: A Case Report and Literature Review.

Cureus 2022 Mar 12;14(3):e23108. Epub 2022 Mar 12.

Oncology, Longstreet Clinic Cancer Center, Gainesville, USA.

Gastrointestinal stromal tumors (GISTs) are rare tumors with increasing incidence. GIST is the most common mesenchymal tumor of the gastrointestinal tract involving the elderly population with a slow progression. It originates from the interstitial cells of Cajal. Read More

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[A prospective cohort study on the clinical value of pelvic peritoneal reconstruction in laparoscopic anterior resection for middle and low rectal cancer].

Zhonghua Wei Chang Wai Ke Za Zhi 2022 Apr;25(4):336-341

Department of Colorectal Surgery, Changhai Hospital, Naval Medical University, Shanghai 200433, China.

To investigate the safety and efficacy of pelvic peritoneal reconstruction and its effect on anal function in laparoscopy-assisted anterior resection of low and middle rectal cancer. A prospective cohort study was conducted. Consecutive patients with low and middle rectal cancer who underwent laparoscopy-assisted transabdominal anterior resection at Naval Military Medical University Changhai Hospital from February 2020 to February 2021 were enrolled. Read More

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[A new insights of mesorectum].

Zhonghua Wei Chang Wai Ke Za Zhi 2022 Apr;25(4):321-326

Center for Precision Diagnosis and Treatment of Colorectal Cancer and Inflammatory Diseases, Peking University Health Science Center, Beijing 100191, China Colorectal Cancer Centre of Peking University Shougang Hospital, Beijing 100144, China Department of Gastrointestinal Surgery, Peking University Shougang Hospital, Beijing 100144, China Department of Gastrointestinal Surgery III, Peking University Cancer Hospital & Institute, Beijing 100142, China Peking-Tsinghua Center for Life Science, Beijing 100142, China.

Total mesorectal excision (TME) represents the gold standard for radical resection in rectal cancer. The development in radiology and laparoscopic surgical equipment and the advancement in technology have led to a deepened understanding of the mesorectum and its surrounding structures. Both the accuracy of preoperative staging and the preciseness of the planes of TME surgical dissection have been enhanced. Read More

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[Medial border of D3 lymphadenectomy for right colon cancer].

W Qin J J Ma B Feng

Zhonghua Wei Chang Wai Ke Za Zhi 2022 Apr;25(4):305-308

Department of General Surgery, Shanghai Clinical Medical Center for Minimally Invasive Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, China.

The extent of D3 lymphadenectomy for right colon cancer, especially the medial border of central lymph node dissection remains controversial. D3 lymphadenectomy and complete mesocolon excision (CME) are two standard procedures for locally advanced right colon carcinoma. D3 lymphadenectomy determines the medial border according to the distribution of the lymph nodes. Read More

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[Splenic flexure cancer: surgical procedures and extent of lymphadenectomy].

Z Q Wang

Zhonghua Wei Chang Wai Ke Za Zhi 2022 Apr;25(4):300-304

Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu 610041, China.

Splenic flexure colon cancer occurs at a relatively lower rate than colon cancer of other sites. It is also associated with more advanced disease and higher rate of acute obstruction. The splenic flexure receives blood supply from both superior and inferior mesenteric arteries (SMA and IMA), and therefore has lymphatic drainage to both areas. Read More

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[Location of inferior mesentery artery ligation in rectal cancer surgery: how to make decisions based on available evidence].

Y Xiao

Zhonghua Wei Chang Wai Ke Za Zhi 2022 Apr;25(4):290-294

Division of Colorectal Surgery, Department of General Surgery, Peking Union Medical College Hospital, Beijing 100730, China.

There are still controversies as to the location of ligating the inferior mesenteric artery and the central lymph node dissection during rectal cancer surgery. The reason is that the level of evidence in this area is low. Existing studies are mostly retrospective, analyses or small-sample randomized controlled trials. Read More

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[Extent of lymphadenectomy for local advanced gastric cancer in the era of perioperative treatment and minimally invasive surgery].

H Liang

Zhonghua Wei Chang Wai Ke Za Zhi 2022 Apr;25(4):284-289

Department of Gastric Cancer, National Clinical Research Center for Cancer, Tianjin Key Laboratory of Cancer Prevention and Treatment, Cancer Hospital, Tianjin Medical University, Tianjin 300060, China.

The standard lymphadenectomy (D2) is the most important quality control index for the surgical treatment of locally advanced gastric cancer (LAGC). It is debatable whether there is a survival benefit of extended lymphadenectomy beyond D2 dissection. Para-aortic lymph nodes are not included in the range of D2 lymph node dissection. Read More

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Preservation of the left colic artery in modified laparoscopic anterior rectal resections without auxiliary abdominal incisions for transanal specimen retrieval.

BMC Surg 2022 Apr 21;22(1):148. Epub 2022 Apr 21.

Department of General Surgery, Key Laboratory of Metabolism and Gastrointestinal Tumor, Key Laboratory of Laparoscopic Technology, Shandong Medicine and Health Key Laboratory of General Surgery, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, People's Republic of China.

Background: Laparoscopic low anterior rectal resection is the most widely used surgical procedure for middle and low rectal cancer. The aim of this study was to investigate the feasibility and safety of the extracorporeal placement of the anvil in preserving the left colic artery in laparoscopic low anterior rectal resection without auxiliary incisions for transanal specimen retrieval in this research.

Methods: Clinical data and follow-up data of patients undergoing laparoscopic low anterior rectal resection from January 2017 to October 2020 were collected. Read More

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Surgical management of abdominal desmoids: a systematic review and meta-analysis.

Ir J Med Sci 2022 Apr 21. Epub 2022 Apr 21.

Department Surgery, Tallaght University Hospital, Tallaght, Dublin, D24 NR04, Ireland.

Background: Desmoid tumours are benign fibromatous tumours arising from dysregulated myofibroblast proliferation within musculoaponeurotic structures. They can occur sporadically but more commonly are associated with genetic syndromes such as familial adenomatous polyposis (Sakorafas et al. in Surg Oncol 16(2):131-142, 2007) (FAP). Read More

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Retroperitoneal ganglioneuroma presenting as lower back pain.

J Surg Case Rep 2022 Apr 18;2022(4):rjac082. Epub 2022 Apr 18.

2nd Department of Surgery, Aretaieion Hospital, School of Medicine National and Kapodistrian University of Athens, Athens, Greece.

Retroperitoneal ganglioneuroma (RGN) is a rare benign tumor that arises from the retroperitoneal sympathetic ganglia composed of mature Schwann cells, ganglion cells and nerve fibers. These tumors can occur anywhere along the paravertebral sympathetic plexus and occasionally from adrenal medulla. Although they grow in excessive size, they may cause compression to adjacent organ or structures thus giving rise to symptoms. Read More

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Retroperitoneal congenital epidermoid cyst misdiagnosed as a solid pseudopapillary tumor of the pancreas: A case report.

World J Clin Cases 2022 Mar;10(8):2504-2509

Department of Surgical Oncology, Anqing Municipal Hospital, Anqing 246000, Anhui Province, China.

Background: Retroperitoneal cysts are rare and usually asymptomatic abdominal lesions. Epidermoid cysts are frequent benign cutaneous tumors, but retroperitoneal localization of these cysts does not occur very often.

Case Summary: We report a case report of a 25-year-old woman with a giant mass in the abdominal cavity. Read More

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Initial Retrocolic Endoscopic Tunnel Approach As an Ergonomic and Oncologically Apt Laparoscopic Technique for Resection of Malignant Right Colonic Lesions: An Experience from a University Hospital.

J Laparoendosc Adv Surg Tech A 2022 May 7;32(5):556-560. Epub 2022 Apr 7.

Department of General Surgery, King George's Medical University, Lucknow, India.

Radical minimal access cancer surgery has demonstrated similar outcomes as open surgery of late, but with less morbidity, improving the quality of life especially in patients with colorectal cancer. Initial retrocolic endoscopic tunnel approach (IRETA) has been described in the literature by Palanivelu et al. as a laparoscopic technique for radical resection of malignant right colonic lesions (MRCL) following the modified concept of medial to lateral dissection. Read More

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