Radiation damage to colon: CT image

Axial CT scan at lower section shows focal wall thickening of hepatic flexure of colon (arrow). Colonoscopy and biopsy proved radiation injury.

CT: computed tomography.

Reprinted with permission from the American Journal of Roentgenology. Kwek JW, Iyer RB, Dunnington J. Spectrum of imaging findings in the abdomen after radiotherapy. AJR Am J Roentgenol 2006;187:1204. Copyright © 2006 American Roentgen Ray Society.