title: Obstructive circular-muscle defect in the small bowel in a one-year-old child.
abstract: Investigation to determine the cause of vomiting in a 14-mo-old child revealed partial obstruction at a narrowed segment of mid small bowel, with local deficiency of circular muscle and ballooning proximally. The pathogenesis of this apparently unique lesion is uncertain.
mesh_terms: D005260:Female; D006801:Humans; D007223:Infant; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging / Q000209:etiology* / Q000473:pathology; D007421:Intestine, Small / Q000000981:diagnostic imaging / Q000473:pathology; D009130:Muscle, Smooth / Q000098:blood supply; D011859:Radiography; D014839:Vomiting / Q000209:etiology