Medical history 5 days old male Newborn, admitted to emergency department with complain of no evacuation since birth. The physical examination reveal distended abdomen, hypertympanic, palpable bowel and noise reduction on the left. Was conducted a radiography of abdomen and a contrast enema (see images). The patient was submitted to the emergency laparotomy, with the perioperative finding of megacolon (sigmoid) with transition zone in the rectosigmoid region. Plain abdominal radiographyContrast enema Question:According with clinical history and the presented images, the most likely diagnostic hypothesis is: Sigmoid volvulus Cystic fibrosis Ectopic anus Hirschsprung’s disease Time is Up! Time's up
