Sigmoid colon perforation at CT colonography secondary to a possible obstructive mechanism: report of a case

Belo-Oliveira, P; Curvo-Semedo, L; Rodrigues, H; Belo-Soares, P; Caseiro-Alves, F

http://hdl.handle.net/10400.4/384

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Abstract(s)

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