Pyloric atresia associated with Dieulafoy lesion and gastric dysmotility in a neonate.

In this case study, we report a male infant with pyloric atresia, extreme gastric distension, and a caliber-persistent gastric artery (Dieulafoy lesion) with massive gastric bleeding. After a transverse pyloroplasty and endoscopic hemoclip application to the caliber-persistent gastric artery, very slow gastric emptying developed, which required repeated surgical interventions. Gastroduodenostomy failed to promote gastric emptying. The intraoperative and postmortem histologic examinations of the gastric wall revealed a loss of interstitial cells of Cajal, which possibly explains the extreme motility disorder.