American Journal of Roentgenology, Vol 154, 499-503, Copyright © 1990 by American Roentgen Ray Society

ARTICLES

Ileocecal tuberculosis: CT and radiologic evaluation

EJ Balthazar, R Gordon and D Hulnick
Department of Radiology, New York University Medical Center, NY 10016.

The CT and radiologic findings in 11 patients (five with AIDS and six without AIDS) with ileocecal tuberculosis are described. On CT scans, five cases showed mild circumferential wall thickening of the terminal ileum and cecum, thickening of the ileocecal valve, and a few regional nodes. One case presented as nonspecific small-bowel obstruction. In five patients a more characteristic CT appearance was detected: preferential thickening of the ileocecal valve and medial wall of the cecum, exophytic extension engulfing the terminal ileum, and massive lymphadenopathy with low-density areas consistent with caseation necrosis. Patients with AIDS had a more severe form of involvement than those who did not have AIDS. Barium studies showed ileocecal changes consistent with an inflammatory process. In conjunction with barium enema, CT is helpful in the initial evaluation of ileocecal tuberculosis, showing the location and extent of intestinal and mesenteric involvement in most cases. Characteristic CT findings are seen when the inflammatory process is severe.
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