title: Radiology case of the month. Diarrhea in an 83-year-old woman. Free air in the peritoneal cavity secondary to bowel perforation of unknown cause.
authors.affiliation: Tulane University Health Sciences Center, New Orleans, Louisiana, USA.
authors.forename: Jagan D
authors.initials: JD
authors.lastname: Gupta
authors.forename: Evangelios
authors.initials: E
authors.lastname: Liokis
authors.forename: Harold
authors.initials: H
authors.lastname: Neitzschman
mesh_terms: D000369:Aged, 80 and over; D003937:Diagnosis, Differential; D003967:Diarrhea; D005260:Female; D006801:Humans; D007416:Intestinal Perforation / Q000000981:diagnostic imaging* / Q000503:physiopathology; D010529:Peritoneal Cavity / Q000382:microbiology / Q000473:pathology; D010538:Peritonitis / Q000175:diagnosis* / Q000209:etiology; D011027:Pneumoperitoneum / Q000000981:diagnostic imaging* / Q000209:etiology; D011859:Radiography