Cholangioscopy in primary sclerosing cholangitis

Post written by Sooraj Tejaswi, MD, MSPH, FASGE, from the Division of Gastroenterology & Hepatology, University of California Davis School of Medicine, Sacramento, California. This is a case series of 5 patients, demonstrating several unique and varied benign features of PSC. We describe a novel phenotypic classification of benign features, whereby we categorize findings into …

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A rare case of hepatocellular carcinoma with bile duct invasion diagnosed by peroral cholangioscopy

Post written by Masanori Kobayashi, MD, PhD, from the Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University (TMDU), Tokyo, Japan. This video shows a rare case where hepatocellular carcinoma (HCC) mainly progressing to the bile duct was observed by peroral cholangioscopy (POCS). HCC, in which a primary tumor cannot be detected in the …

Continue reading A rare case of hepatocellular carcinoma with bile duct invasion diagnosed by peroral cholangioscopy

Cholangioscopy-guided removal of a proximally migrated biliary stent using a modified standard polypectomy snare 

Post written by Moamen Gabr, MD, MSc, from the Division of Digestive Diseases and Nutrition, University of Kentucky, Lexington, Kentucky. A 72-year-old male with diagnosis of pancreatic head adenocarcinoma requiring endoscopic biliary stent placement 2 weeks prior to admission presented with signs of biliary obstruction. Imaging showed proximal migration of a previously placed biliary stent. …

Continue reading Cholangioscopy-guided removal of a proximally migrated biliary stent using a modified standard polypectomy snare 

Cholangioscopy in primary sclerosing cholangitis: a case series of dominant strictures and cholangiocarcinoma

Post written by Sooraj Tejaswi, MD, MSPH, FASGE, from the Division of Gastroenterology & Hepatology, University of California Davis School of Medicine, Sacramento, California. This video case series describes and differentiates between the cholangioscopic features of benign dominant strictures and cholangiocarcinoma in PSC. It demonstrates that the morphologic features of cholangiocarcinoma in PSC is varied. …

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Vascularity can distinguish neoplastic from non-neoplastic bile duct lesions during digital single-operator cholangioscopy

Post written by Carlos Robles-Medranda, MD, from the Gastroenterology and Endoscopy, Instituto Ecuatoriano de Enfermedades Digestivas, Guayaquil, Ecuador. Accurately diagnosing indeterminate biliary lesions on clinical practice is a challenging task. Endoscopists may use Digital single operator cholangioscopy (DSOC) to evaluate those lesions, acquire histologic specimens, and to guide clinical management. Various DSOC classification systems and …

Continue reading Vascularity can distinguish neoplastic from non-neoplastic bile duct lesions during digital single-operator cholangioscopy

Overtube-guided electrohydraulic lithotripsy through digital cholangioscopy for difficult biliary stones in a postoperative patient

Post written by Hassan Atalla, MSc, and Arata Sakai, MD, PhD, from the Hepatology and Gastroenterology Unit, Department of Internal Medicine, Mansoura Faculty of Medicine, Mansoura University, Mansoura, Egypt, and the Division of Gastroenterology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan. A 60-year-old man with history of Roux-en-Y hepaticojejunostomy for …

Continue reading Overtube-guided electrohydraulic lithotripsy through digital cholangioscopy for difficult biliary stones in a postoperative patient

Single-operator peroral cholangioscopy cystic duct cannulation for transpapillary gallbladder stent placement

Post written by Wiriyaporn Ridtitid, MD, Panida Piyachaturawat, MD, and Rungsun Rerknimitr, MD, from the Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross, Bangkok, Thailand. The focus of our study was to determine the efficacy and safety of single-operator peroral cholangioscopy (SOC) for helping …

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Removal of proximally migrated biliary stents by using single-operator cholangioscopy

Post written by Abed Al Lehibi, MD, from Gastroenterology and Hepatology, King Fahad Medical City, Riyadh, Saudi Arabia. Our series included 3 patients whose cases, while being treated for difficult biliary stones, were complicated by proximal stent migration. Two patients had migrated plastic stents, whereas the other had a migrated metal one. Single-operator cholangioscopy (Boston …

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Peroral cholangioscopy–guided probe-based confocal laser endomicroscopy for preoperative diagnosis of pancreatic cancer

Post written by Yuki Tanisaka, MD, PhD, from the Department of Gastroenterology, Saitama Medical University International Medical Center, Saitama, Japan. A 79-year-old man was referred to our hospital because of jaundice. He had previously undergone Billroth-II gastrectomy for gastric cancer. ERCP was performed. At first, we used a SIF-H290S (Olympus Medical Systems, Tokyo, Japan) with …

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Stent-in-stent self-expandable metallic stent placement under direct cholangioscopy

Post written by Mitsuru Okuno, MD, PhD, from the Department of Gastroenterology, Gifu Municipal Hospital, Gifu, Japan. Managing consequent jaundice caused by malignant hilar biliary obstruction (MHBO) is important. Endoscopic biliary drainage is the treatment of choice because of its limited invasiveness. However, in patients with surgically altered anatomy, especially those who have undergone Roux-en-Y …

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