Figure 9. Rectovesical fistula. Transverse contrast-enhanced CT scan in a 65-year-old-man with ulcerative colitis shows air in a fistulous tract (arrow) between inflamed rectum and bladder. Note also air (arrowheads) in bladder lumen.
Figure 9. Rectovesical fistula. Transverse contrast-enhanced CT scan in a 65-year-old-man with ulcerative colitis shows air in a fistulous tract (arrow) between inflamed rectum and bladder. Note also air (arrowheads) in bladder lumen.