Plain film diagnosis of meconium plug syndrome: presacral "mass".
D003937:Diagnosis, Differential; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000000981:diagnostic imaging*; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging*; D008470:Meconium; D008531:Megacolon / Q000150:complications; D011859:Radiography