https://www.selleckchem.com/pr....oducts/c-176-sting-i
An 80-year-old man was admitted to our hospital for repeated tarry stools and hemorrhage. He was taking aspirin and warfarin for atrial fibrillation and obstruction of the central retinal artery. Upper gastrointestinal endoscope revealed a large blood clot at the distal duodenum; however, further insertion was difficult. Insertion of a colonoscope attached with a transparent hood from the mouth enabled the visualization of the third portion of the duodenum. It revealed a large clot, which completely blocked the diverticulu