Post written by Lawrence Ku, MD, from the Division of Gastroenterology, Harbor-UCLA Medical Center, Torrance, California, USA. This case highlights the diagnostic dilemma of differentiating between 2 types of choledochal cysts, type II versus type VI. Although rare, these choledochal cysts have significant malignant potential, ranging from 5 to 7.5%. Malignant transformation of type VI …
Continue reading Type VI choledochal cyst diagnosed on ERCP with direct cholangioscopy
Post written by Felipe Ramos-Zabala, MD, PhD, from the Department of Gastroenterology, HM Montepríncipe University Hospital, Boadilla del Monte, and the Department of Clinical Sciences, School of Medicine, University of CEU San Pablo, Madrid, Spain. In this video case report, we describe an endoscopic submucosal dissection (ESD) of a giant rectal polyp with granular nodular …
Post written by Hiroko Nakahira, MD, from the Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan. Underwater endoscopic mucosal resection (EMR) was performed for a large duodenal adenoma in a patient with familial adenomatous polyposis, and the mucosal defect after underwater EMR was closed with line-assisted complete closure technique. Endoscopic mucosal resection for …
Post written by Kenji Yamazaki, MD, PhD, from the Department of Gastroenterology, Gifu Prefectural General Medical Center, Gifu, Japan. We described a case of a giant fibrovascular esophageal polyp endoscopically resected by use of a scissor-type knife. Fibrovascular esophageal polyps are rare, and most of these are enormous and arise from the cricopharynx or upper …
Post written by Shou-jiang Tang, MD, from the Division of Digestive Diseases, Department of Medicine, University of Mississippi Medical Center, Jackson, Mississippi, USA. We report a case of gastric and duodenal pseudomelanosis; its full development was documented on serial upper endoscopies over 2 years, preceded by an 18-month daily iron supplement, interval development of iron …
Continue reading Gastric and duodenal pseudomelanosis: a new insight into its pathogenesis
Post written by Tomoaki Tashima, MD, from the Department of Gastroenterology, Saitama Medical University International Medical Center, Saitama, Japan. A 72-year-old man was found to have a large protruded tumor measuring approximately 60 mm in diameter in the duodenal bulb. He underwent ESD under general anesthesia in the operating room. After local injection of sodium hyaluronate …
Continue reading Duodenal ESD for a large protruded lesion located just behind the pyloric ring
Post written by Tatsuya Sato, MD, Yousuke Nakai, MD, PhD, from the Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan. A 50-year-old man with a history of hepaticojejunostomy and Roux-en-Y reconstruction suffered from recurrent cholangitis due to bilateral intrahepatic stones. After failed double-balloon endoscope-assisted ERCP and percutaneous transhepatic biliary drainage, …
Continue reading Electrohydraulic lithotripsy through a fistula of EUS-guided hepaticogastrostomy
