Fig. 1
From: Endoscopic features for early decision to evaluate superior mesenteric artery syndrome in children
Photos of esophagogastroduodenoscopy. a A pulsatile band or slit like vertical or oblique band or slit like luminal narrowing and opening less than one-third of the third part of the duodenum with air insufflation over 15 s (finding I). b An over expansion of the first and second part of the duodenum during insufflation of the third part (finding II). c A large amount of bile mixed fluid (bile lake) in the stomach (finding III)