Gastric and duodenal pseudomelanosis: a new insight into its pathogenesis

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

Duodenal ESD for a large protruded lesion located just behind the pyloric ring

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

Successful ex-vivo probe-based confocal laser endomicroscopy of a superficial nonampullary duodenal epithelial tumor

Post written by Tomoaki Tashima, MD, from the Department of Gastroenterology, Saitama Medical University International Medical Center, Saitama, Japan. A 65-year-old woman was found to have a flat-elevated tumor measuring approximately 55 mm in diameter in the second part of the duodenum by endoscopy. The preoperative histological diagnosis by biopsy sampling was high-grade intraepithelial neoplasia. …

Continue reading Successful ex-vivo probe-based confocal laser endomicroscopy of a superficial nonampullary duodenal epithelial tumor