title: Images of the month. Endoscopic views of (left) a fistula orifice in the insicura angularis and (right) a perforated duodenal bulb ulcer.
authors: Turkiye Yuksek Ihtisas Teaching and Research Hospital, Ankara, Turkey.
authors: Mevlut
authors: M
authors: Kurt
authors: Ibrahim Koral
authors: IK
authors: Onal
authors: Yasemin Ozin
authors: YO
authors: Ozderin
authors: Kerem
authors: K
authors: Karaman
authors: Erdal Birol
authors: EB
authors: Bostanci
authors: Grigoriy E
authors: GE
authors: Gurvits
mesh_terms: D004381:Duodenal Ulcer / Q000473:pathology*; D016145:Endoscopy, Digestive System; D004947:Esophagus / Q000473:pathology*; D005747:Gastric Fistula / Q000473:pathology*; D006801:Humans; D009336:Necrosis; D010439:Peptic Ulcer Perforation / Q000473:pathology*