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High-grade biliary intraepithelial neoplasia localized in the distal bile duct diagnosed via peroral cholangioscopy: A rare case report.
Medicine (Baltimore)
December 2024
Department of Endoscopy, NHO Kure Medical Center and Chugoku Cancer Center, Hiroshima Prefecture, Japan.
Rationale: Biliary intraepithelial neoplasm (BilIN) is characterized by a microscopically identifiable preinvasive neoplasm of the biliary tract. BilIN is rarely diagnosed intentionally and is often detected incidentally in surgical specimens obtained via surgical resection for other types of cancers. Herein, we report a rare case of high-grade BilIN localized in the distal bile duct.
View Article and Find Full Text PDFA case of malignant lymphoma of the extrahepatic bile duct diagnosed by detailed imaging examination and endoscopic ultrasound-guided fine needle aspiration.
Clin J Gastroenterol
November 2024
Department of Gastroenterology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-Ku, Hiroshima, 734-8551, Japan.
A 70-year-old woman presented to our hospital with abdominal pain. Imaging examinations showed diffuse and extensive wall thickening at the perihilar bile duct; however, the degree of stricture was mild, and the mucosal epithelium was smooth. A transpapillary biopsy was performed considering cholangiocarcinoma and IgG4 sclerosing cholangitis as differential diagnoses; however, no pathologic diagnosis was obtained.
View Article and Find Full Text PDFFeasibility of Peroral Cholangioscopy in the Initial Endoscopic Retrograde Cholangiopancreatography for Malignant Biliary Strictures.
Diagnostics (Basel)
November 2024
Department of Gastroenterology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan.
Peroral cholangioscopy (POCS) is valuable for assessing malignant biliary strictures; however, biliary drainage prior to POCS often hinders accurate diagnosis. This retrospective study aimed to investigate the feasibility of POCS using a newly developed cholangioscope, CHF-B290, during initial endoscopic retrograde cholangiopancreatography (ERCP) for malignant biliary strictures. This multicenter retrospective study included patients who underwent initial ERCP for malignant biliary strictures at two institutions between January 2018 and March 2022.
View Article and Find Full Text PDFHairy Polyp Presenting With Respiratory Distress in an Infant With Cleft Palate.
Cureus
October 2024
Pediatrics, Dokkyo Medical University, Mibu, JPN.
Hairy polyps often develop from the upper respiratory tract. They cause various symptoms, such as respiratory distress. A one-month-old boy with a cleft palate was referred to our hospital due to feeding difficulty, stridor, and labored breathing.
View Article and Find Full Text PDF[Small intestinal perforation manifesting as post-transplant lymphoproliferative disorder occurring 23 years after living lung transplantation: a case report].
Nihon Shokakibyo Gakkai Zasshi
November 2024
Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences.
A Japanese female patient underwent a living lung transplant at age 29 and has been on immunomodulatory drug therapy since then. At age 52, she presented with sudden hematochezia. Despite abdominal computed tomography scan, esophagogastroduodenoscopy, and colonoscopy, no definitive source of bleeding was identified.
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