title: Pneumoperitoneum secondary to acute perforation of a tuberculous ulcer of the small intestine. A report of two cases.
mesh_terms: D000208:Acute Disease; D004751:Enteritis / Q000150:complications*; D006801:Humans; D007416:Intestinal Perforation / Q000150:complications*; D007421:Intestine, Small / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011027:Pneumoperitoneum / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography; D014385:Tuberculosis, Gastrointestinal; D014456:Ulcer / Q000150:complications