Sigmoid colon perforation at CT colonography secondary to a possible obstructive mechanism: report of a case.
We report a case of colonic perforation in CT colonography, which was observed in a sigmoid colon segment contained within an inguinal hernia. At surgery, apart from the perforation, a normal large-bowel wall was found. Although rare, perforation may occur in patients with normal bowel wall, possibly resulting from a mechanical strain caused by gaseous overdistention. Radiologists performing the procedure must be aware of this possibility.
Department of Radiology, Coimbra University Hospital, Praceta Mota Pinto 3000-075, Coimbra, Portugal.
Pedro
P
Belo-Oliveira
Luis
L
Curvo-Semedo
Henrique
H
Rodrigues
Pedro
P
Belo-Soares
Filipe
F
Caseiro-Alves
D000368:Aged; D012809:Colon, Sigmoid / Q000293:injuries*; D023881:Colonography, Computed Tomographic; D003113:Colonoscopy; D003937:Diagnosis, Differential; D005500:Follow-Up Studies; D006552:Hernia, Inguinal / Q000150:complications* / Q000000981:diagnostic imaging; D006801:Humans; D007415:Intestinal Obstruction / Q000150:complications* / Q000000981:diagnostic imaging; D007813:Laparotomy / Q000379:methods; D008297:Male; D012421:Rupture; D012810:Sigmoid Diseases / Q000000981:diagnostic imaging / Q000209:etiology* / Q000601:surgery