Obscure gastrointestinal system (GIS) bleeding is divided into two subgroups as overt and occult bleeding. Five percent of patients presented with GIS bleeding is named as obscure GIS bleeding. The majority of these bleedings arise from small intestine. Obscure GIS bleeding cases undergo multiple and high cost studies. This case report presents a patient investigated for recurrent GIS bleeding and whose double balloon enteroscopy resulted in gastrointestinal stromal tumor The aim of this report is to draw attention to obscure GIS bleeding and review diagnostic process
