Gastrointestinal Bleeding Due to Arteriovenous Malformation of The Intestine

A 75-year-old woman presented with a 6-month history of bloody stool. She had no documented medical history and showed no signs of gastrointestinal disease. Laboratory tests and abdominal computed tomography were unremarkable. Double-balloon enteroscopy was performed after an initial negative esophagogastroduodenoscopy and colonoscopy. A double-balloon enteroscopy view showed oozing of blood from a miniscule point source on the jejunum mucosa...