title: The radiological evaluation of intraperitoneal gas (pneumoperitoneum).
mesh_terms: D000328:Adult; D002675:Child, Preschool; D003108:Colonic Diseases / Q000150:complications; D003110:Colonic Neoplasms / Q000150:complications; D004381:Duodenal Ulcer / Q000150:complications; D005260:Female; D005547:Foreign Bodies / Q000150:complications; D006552:Hernia, Inguinal / Q000150:complications / Q000000981:diagnostic imaging; D006801:Humans; D007231:Infant, Newborn; D007415:Intestinal Obstruction / Q000150:complications; D007416:Intestinal Perforation / Q000150:complications; D008297:Male; D008531:Megacolon / Q000000981:diagnostic imaging; D010439:Peptic Ulcer Perforation / Q000150:complications; D011006:Pneumatosis Cystoides Intestinalis / Q000150:complications; D011027:Pneumoperitoneum / Q000145:classification / Q000000981:diagnostic imaging* / Q000209:etiology; D011183:Postoperative Complications; D011187:Posture; D011859:Radiography; D012422:Rupture, Spontaneous / Q000150:complications; D013276:Stomach Ulcer / Q000150:complications