8,420 results match your criteria Cholelithiasis Imaging

Digital single-operator video cholangioscopy improves endoscopic management in patients with primary sclerosing cholangitis-a retrospective observational study.

World J Gastroenterol 2022 May;28(20):2201-2213

Department of Medicine B (Gastroenterology, Hepatology, Endocrinology, Clinical Infectiology), University Hospital Muenster, Muenster 48149, Germany.

Background: Patients with primary sclerosing cholangitis (PSC) are at a high risk of developing cholestatic liver disease and biliary cancer, and endoscopy is crucial for the complex management of these patients.

Aim: To clarify the utility of recently introduced digital single-operator video cholangioscopy (SOVC) for the endoscopic management of PSC patients.

Methods: In this observational study, all patients with a history of PSC and in whom digital SOVC (using the SpyGlass DS System) was performed between 2015 and 2019 were included and retrospectively analysed. Read More

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Non-Resolving Perihepatic Abscess Following Spilled Gallstones Requiring Surgical Management.

S D Med 2022 Mar;75(3):120-122

Department of Internal Medicine, University of South Dakota Sanford School of Medicine, Sioux Falls, South Dakota.

Introduction: Laparoscopic cholecystectomy (LC) is the treatment of choice for symptomatic cholelithiasis and is among the most frequently done procedures in United States. Spillage of gallstones occurs in up to 30 percent of these procedures and is associated with rare but important complications including abscess formation.

Case Description: We present a case of 44-year-old man with a peri-hepatic abscess developed three years after a laparoscopic cholecystectomy. Read More

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Deep Learning Algorithm-Based Magnetic Resonance Imaging Feature-Guided Serum Bile Acid Profile and Perinatal Outcomes in Intrahepatic Cholestasis of Pregnancy.

Comput Math Methods Med 2022 6;2022:8081673. Epub 2022 Jun 6.

Department of Obstetrics, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huai'an, 223300 Jiangsu, China.

This study was aimed to explore magnetic resonance imaging (MRI) based on deep learning belief network model in evaluating serum bile acid profile and adverse perinatal outcomes of intrahepatic cholestasis of pregnancy (ICP) patients. Fifty ICP pregnant women diagnosed in hospital were selected as the experimental group, 50 healthy pregnant women as the blank group, and 50 patients with cholelithiasis as the gallstone group. Deep learning belief network (DLBN) was built by stacking multiple restricted Boltzmann machines, which was compared with the recognition rate of convolutional neural network (CNN) and support vector machine (SVM), to determine the error rate of different recognition methods on the test set. Read More

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Dropped Gallstones: A Rare Cause of Pulmonary Abscess.

Arch Bronconeumol 2021 Sep;57(9):584-585

Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil. Electronic address:

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September 2021

Effect of Laparoscopy Combined with Choledochoscope for the Treatment of Cholecystolithiasis and Choledocholithiasis.

Comput Math Methods Med 2022 3;2022:9110676. Epub 2022 Jun 3.

Hefei Cancer Hospital, Chinese Academy of Sciences, Hefei, Anhui 230000, China.

Objective: Evaluate the influence of laparoscopy combined with choledochoscopy on operation-related indexes, serum total bilirubin (TBIL) level, and abdominal drainage tube extraction time within cases carrying cholecystolithiasis/choledocholithiasis.

Methods: 86 cases of cholecystolithiasis together with choledocholithiasis were chosen for this investigation, and cases were randomly segregated within the control cohort (43 cases, open surgery) and observation cohort (43 cases, laparoscopy combined with choledochoscopy).The operation-related indexes, complete stone clearance rate, postoperative visual analogue scale (VAS) scoring, serum TBIL level, and postsurgical complications/recovery incidence were observed and comparatively analyzed across cohorts. Read More

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Percutaneous cholangioscopy for the management of intrahepatic calculi in the setting of altered abdominal anatomy.

Tushar Garg

ANZ J Surg 2022 06;92(6):1580

Division of Vascular and Interventional Radiology, Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.

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Bouveret Syndrome: A Rare Case and Review of the Literature.

Cureus 2022 May 6;14(5):e24768. Epub 2022 May 6.

Breast Surgery, Basildon and Thurrock University Hospital, Mid and South Essex NHS Foundation Trust, Basildon, GBR.

Bouveret syndrome is a subtype of gallstone ileus, wherein a calculus becomes entrapped in the duodenum via a cholecystocolic fistula, leading to gastric outlet obstruction. Due to the non-specific symptoms the patients present with, a diagnosis is reliant on computed tomography (CT), magnetic resonance imaging (MRI) or direct endoscopic visualisation. We report a case of Bouveret syndrome and review current literature, outlining the aetiopathogenesis and management strategies of this condition. Read More

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Imaging in Pediatric Obstructive Jaundice.

Indian J Pediatr 2022 Jun 2. Epub 2022 Jun 2.

Department of Radiodiagnosis and Interventional Radiology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India.

Cholestatic jaundice characterized by elevated conjugated bilirubin can be due to multitude of factors in neonates and childhood. Extrahepatic biliary atresia (EHBA), choledochal cyst, neonatal hepatitis, cytomegalovirus (CMV), and biliary plug are some of the common causes in neonate and early infancy. Causes in late infancy and childhood comprises viral hepatitis, choledochal cyst, cholelithiasis, worm infestation, and biliary compression secondary to extrinsic causes (node, collection, tumor). Read More

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Post-cholecystectomy Mirizzi Syndrome.

Cureus 2022 Apr 22;14(4):e24379. Epub 2022 Apr 22.

Gastroenterology and Hepatology, Cleveland Clinic Abu Dhabi, Abu Dhabi, ARE.

Post-cholecystectomy Mirizzi syndrome (PCMS) is characterized by symptoms of recurrent abdominal pain, jaundice, and fever in patients who underwent cholecystectomy. Imaging is crucial in the diagnosis of PCMS and Mirizzi syndrome. Imaging modalities have evolved over the years with abdominal ultrasonography, computed tomography of the abdomen, and magnetic resonance cholangiopancreatography being used in the diagnosis of PCMS and Mirizzi syndrome. Read More

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Percutaneous transhepatic holmium laser lithotripsy for cholelithiasis and balloon dilation for common bile duct stone removal.

Radiol Case Rep 2022 Jul 12;17(7):2506-2509. Epub 2022 May 12.

Department of Radiology, Pham Ngoc Thach University of Medicine, Ho Chi Minh City, Viet Nam.

Biliary lithiasis is common in clinical practice. We present the case of a 53-year-old man referred to our hospital with a history of biliary lithiasis. Abdominal magnetic resonance imaging revealed gallbladder stones and common bile duct stones. Read More

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The Curious Case of a Missing Gallbladder: An Unusual Presentation of a Cholecystoduodenal Fistula.

Avicenna J Med 2022 Jan 2;12(1):34-37. Epub 2021 Dec 2.

Gastroenterology Division, Wayne State University, Detroit, Michigan, United States.

Large gallstones could erode through gallbladder wall to nearby structures, causing fistulas, gastric outlet obstruction and gallstone ileus. They typically occur in elderly patients with comorbidities carrying therapeutic challenges. We present a case of a middle-aged woman who was thought to have symptomatic cholelithiasis. Read More

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January 2022

Evaluating the accuracy of American Society for Gastrointestinal Endoscopy guidelines in patients with acute gallstone pancreatitis with choledocholithiasis.

World J Gastroenterol 2022 Apr;28(16):1692-1704

Division of Gastroenterology & Hepatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States.

Background: Acute gallstone pancreatitis (AGP) is the most common cause of acute pancreatitis (AP) in the United States. Patients with AGP may also present with choledocholithiasis. In 2010, the American Society for Gastrointestinal Endoscopy (ASGE) suggested a management algorithm based on probability for choledocholithiasis, recommending additional imaging for patients at intermediate risk and endoscopic retrograde cholangiopancreatography (ERCP) for patients at high risk of choledocholithiasis. Read More

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Relative contribution of susceptibility weighted imaging, compared to conventional MRI, in the detection of common bile-duct calculi.

Diagn Interv Radiol 2022 Mar;28(2):131-137

Fortis Memorial Research Institute, Gurgaon, India.

PURPOSE We aimed to evaluate the relative contribution of susceptibility weighted imaging (SWI) in the detection of common bile-duct (CBD) stones in comparison to the conventional MRI protocol containing magnetic resonance cholangiopancreatography (MRCP), balanced turbo field echo (BTFE), and T2-weighted spin-echo imaging techniques. METHODS MRI data containing MRCP, BTFE, T2-weighted imaging, and abdominal SWI were independently evaluated by 2 sets of experienced radiologists in 44 patients with confirmed CBD stones. Endoscopic retrograde cholangiopancreatography, and endoscopic ultrasound where available, was used as the reference gold standard. Read More

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Analysis of the Relationship Between Periampullary Diverticulum and Recurrent Bile Duct Stones After Endoscopy on Magnetic Resonance Imaging of Magnetic Nanoparticles.

J Biomed Nanotechnol 2022 Feb;18(2):607-615

Department of Hepatobiliary Pancreatic Surgery and Liver Transplantation Center, The First Hospital of Shanxi Medical University, Taiyuan, 030000, China.

The objective of this work was to investigate the effect of magnetic resonance cholangiopancreatography (MRCP) based on super-paramagnetic iron oxide nanoparticles (SPIONs) on the recurrence diagnosis of periampullary diverticulum (PAD) and bile duct stone (BDS), so as to provide a scientific research basis for the recidivation factors of bile duct stones in clinic. Patients with PAD diagnosed in hospital from July 2019 to March 2021 (who had undergone endoscopic gallstone surgery) were selected for study in this work. They were rolled into two groups, the parapapillary group (123 cases) and the cholangiopancreatic duct directly opening in the diverticulum group (97 cases), according to the clinical classification. Read More

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February 2022

Effect of ursodeoxycholic acid on gallstone formation after bariatric surgery: An updated meta-analysis.

Obesity (Silver Spring) 2022 06 27;30(6):1170-1180. Epub 2022 Apr 27.

Emergency Medical Center, Ningbo Yinzhou No. 2 Hospital, Ningbo, Zhejiang, China.

Objective: Bariatric surgery increases the risk of postoperative gallstone formation. Many studies have proposed ursodeoxycholic acid (UDCA) as a preventive agent for postoperative gallstone formation. This study aimed to investigate the effect of UDCA on gallstone formation after bariatric surgery in patients without preoperative gallstones. Read More

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Endoscopic electrohydraulic lithotripsy treatment of sigmoid bowel obstruction caused by gallstones.

BMJ Case Rep 2022 04 26;15(4). Epub 2022 Apr 26.

Department of Surgery, Zealand University Hospital, Koge, Sjælland, Denmark

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The effectiveness and biosafety of diatrizoate contrast media in complicated cholelithiasis.

Pol Merkur Lekarski 2022 Apr;50(296):102-108

Ternopil V. Hnatiuk National Pedagogical University, Ternopil, Ukraine.

Adverse reactions after intravascular administration of iodine-based contrast media are well-known. Nevertheless the same type of contrast media is also used for endoscopic retrograde cholangiopancreatography and systemic absorption of contrast media after mentioned procedure routinely occurs, not much is known about effects of widely used diatrizoates (Triombrast) on the hepato-pancreato-biliary system in case of cholelithiasis treatment.

Aim: The aim of the present study was to determine the effectiveness and biosafety of diatrizoate contrast media in terms of complicated cholelithiasis healing using conventional and improved surgery treatment protocols based on set of biochemical markers. Read More

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Laparoscopic radical hepatectomy and lymphadenectomy for incidental gallbladder cancer. Surgical technique with ICG fluorescence enhancement.

Surg Oncol 2022 Jun 4;42:101756. Epub 2022 Apr 4.

HPB and Liver Transplant Unit, Department of General Surgery, Clínica Universidad de Navarra, University of Navarra, Av. Pío XII, 36, 31008, Pamplona, Spain; Institute of Health Research of Navarra (IdisNA), C. de Irunlarrea, 3, 31008, Pamplona, Navarra, Spain. Electronic address:

Background: Radical re-resection has been demonstrated beneficial in incidental gallbladder cancer (iGBC) stages ≥ pT1b [1]. Anatomical resection (AR) of segments IVb-V is recommended, particularly for iGBC and liver-sided tumors [2]. Laparoscopically, this is a challenging procedure, as well as the regional lymphadenectomy, since inflammation from previous surgery can hinder identification of extrahepatic bile ducts. Read More

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Laparoscopic Ultrasound for Bile Duct Imaging during Cholecystectomy: Clinical Impact in 785 Consecutive Cases.

Daniel J Deziel

J Am Coll Surg 2022 May;234(5):849-860

Department of Surgery, Rush University Medical Center, Rush Medical College of Rush University, Chicago, IL.

Background: The influence of laparoscopic ultrasonography (LUS) on the operative management of patients during laparoscopic cholecystectomy (LC) has not been examined in a large unselected series.

Study Design: Seven hundred eight-five consecutive LC operations were reviewed to determine whether the findings of LUS for bile duct imaging altered operative management. Patients were analyzed according to the primary indication for imaging: anatomic identification (group I), possible common bile duct stones (group II), and routine use absent other indications (group III). Read More

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Rapid Onset of Ceftriaxone-Induced Cholelithiasis in an Adult Patient.

J Glob Infect Dis 2022 Jan-Mar;14(1):31-34. Epub 2022 Feb 16.

Campbellton Regional Hospital, Vitalité Health Network, New Brunswick, Canada.

Ceftriaxone is a third-generation cephalosporin with broad-spectrum antibacterial activity. Here, we report a case of ceftriaxone-induced cholelithiasis in an adult patient after a short period of administering ceftriaxone. A 57-year-old female was admitted to our hospital for meningitis and treated empirically with ceftriaxone 2 g every 12 hours. Read More

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February 2022

Low Phospholipid-Associated Cholelithiasis: Contribution of Imaging in Two Cases.

Cureus 2022 Feb 19;14(2):e22383. Epub 2022 Feb 19.

Gastroenterology and Proctology, Faculty of Medicine, Mohammed VI University of Health Sciences (UM6SS) Cheikh Khalifa International University Hospital, Casablanca, MAR.

Low phospholipid-associated cholelithiasis (LPAC) is a genetic disease responsible for the development of intrahepatic lithiasis. It is retained in the presence of two of the following three criteria: age of onset of biliary symptoms less than 40 years; echogenic intrahepatic images or microlithiasis; and the recurrence of biliary clinical signs after cholecystectomy. The majority of clinical situations are simple and not serious, but some complicated forms may require more invasive endoscopic or surgical treatments. Read More

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February 2022

Comparison between gradient and spin-echo (GRASE) and compressed sensing sequences for single breath-hold three-dimensional magnetic resonance cholangiopancreatography in patients with T hyperintense bile.

Eur J Radiol 2022 May 26;150:110279. Epub 2022 Mar 26.

Department of Radiology, Kindai University Faculty of Medicine, Osaka-Sayama, Japan. Electronic address:

Purpose: To compare image quality and the detectability of gallstones in patients with T hyperintense bile between single breath-hold three-dimensional (3D) magnetic resonance cholangiopancreatography (MRCP) with gradient and spin-echo (GRASE) and with compressed sensing (CS).

Methods: We retrospectively evaluated patients who underwent MRCP using GRASE and CS and had hyperintense bile on T-weighted fat-suppressed images. The relative duct-to-periductal contrast ratios (RCs) of each bile duct segment were calculated. Read More

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Value of nonenhanced CT combined with laboratory examinations in the diagnosis of acute suppurative cholecystitis treated with percutaneous cholecystostomy: a retrospective study.

BMC Gastroenterol 2022 Mar 29;22(1):155. Epub 2022 Mar 29.

Department of Nuclear Medicine, The People's Hospital of Liaoning Province, 33 Wenyi Road, Shenhe District, Shenyang, 110016, China.

Purposes: In this study, we aimed to identify the distribution of presenting laboratory and nonenhanced computed tomography (CT) imaging features within 48 h before percutaneous cholecystostomy (PC) and create a model to appropriately guide the diagnosis of acute suppurative cholecystitis (ASC).

Methods: The study population included 204 acute cholecystitis patients who underwent PC. Based on the timing of the last laboratory and CT examinations before PC, the patients were divided into two groups: within 48 h before PC (Group 1, n = 138) and over 48 h before PC (Group 2, n = 63). Read More

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Management of Difficult Choledocholithiasis.

Dig Dis Sci 2022 05 29;67(5):1613-1623. Epub 2022 Mar 29.

Pancreatic and Biliary Disease Program, Department of Digestive Diseases, Cedars Sinai Medical Center, 8700 Beverly Boulevard, South Tower, Suite 7511, Los Angeles, CA, 90048, USA.

Over 30% of all endoscopic retrograde cholangiography procedures in the US are associated with biliary stone extraction, and over 10-15% of these cases are noted to be complex or difficult. The aim of this review is to define the characteristics of difficult common bile duct stones and provide an algorithmic therapeutic approach to these difficult cases. We describe additional special clinical circumstances in which difficult biliary stones are identified and provide additional management strategies to aid endoscopic stone extraction efforts. Read More

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A Rare Case of Acute Calculous Cholecystitis With Gallbladder Hydrops.

Cureus 2022 Feb 15;14(2):e22230. Epub 2022 Feb 15.

Internal Medicine, Hackensack Meridian Ocean Medical Center, Brick, USA.

Gallbladder hydrops or mucocele is usually due to the obstruction of the gallbladder by a gallstone. It is usually characterized by an increase in gallbladder volume, which remains clinically silent and is often incidentally diagnosed during exploratory laparotomy or laparoscopy. We report a rare case of acute calculous cholecystitis with gallbladder hydrops (measuring 17 cm in maximum dimension) due to the obstruction of the cystic duct by a gallstone in a 67-year-old female. Read More

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February 2022


J Zoo Wildl Med 2022 Mar;53(1):19-30

Zoological Society of London, Regent's Park, London NW1 4RY, United Kingdom,

The mountain chicken frog () is a critically endangered species highly reliant on conservation programs. In captivity, cholelithiasis has been reported during clinical examinations using diagnostic imaging and observed during postmortem examinations. Some individuals have presented with nonspecific clinical signs potentially associated with this condition, but little is known about its clinical relevance. Read More

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Management of common bile duct stones in a pregnant woman by percutaneous biliary drainage followed by elective endoscopic stone removal after delivery.

BMJ Case Rep 2022 Mar 23;15(3). Epub 2022 Mar 23.

Department of Gastroenterology and Hepatology, Kyorin University School of Medicine, Mitaka-shi, Tokyo, Japan

A woman in her 30s who was 12 weeks pregnant with her third child presented with jaundice. Blood tests showed elevated hepatobiliary enzymes and direct bilirubin. Abdominal ultrasonography showed dilatation of the common bile duct and strong echo with a 9 mm acoustic shadow in the distal bile duct. Read More

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Destiny for Rendezvous: Is Cholecysto/Choledocholithiasis Better Treated with Dual- or Single-Step Procedures?

Dig Dis Sci 2022 04 22;67(4):1116-1127. Epub 2022 Mar 22.

Emergency Surgery Department, St. Orsola University Hospital, Bologna, Italy.

Biliary lithiasis is common worldwide, affecting almost 20% of the general population, though few experience symptoms. The frequency of choledocholithiasis in patients with symptomatic cholelithiasis is estimated to be 10-33%, depending on patients' age. Unlike gallbladder lithiasis, the medical and surgical treatment of common bile duct stones is uncertain, having changed over the last few years. Read More

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Gallbladder biliary lithotripsy: A new rationale applied to old treatment.

World J Gastroenterol 2022 Feb;28(7):763-765

Digestive Endoscopy Unit, ASST Niguarda, Milan 20100, Italy.

Pure endoscopic treatment of combined cholelithiasis and choledocholithiasis is possible due to the chance to use together both endoscopic retrograde cholangiopancreatography (ERCP) and endoscopic ultrasound (EUS) approaches. This endotherapy permits to treat biliary stones in the main bile duct by standard ERCP and gallbladder stones by EUS-guided cholecystoduodenostomy eventually associated to intracorporeal lithotripsy to achieve optimal results. Read More

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February 2022