Cytomegalovirus colitis in AIDS: radiographic findings in 11 patients.

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Abstract
Radiographic findings in 11 proved cases of cytomegalovirus (CMV) colitis were reviewed and correlated with colonoscopic and pathologic findings. Patients were chronically ill homosexual men with multiple systemic opportunistic infections. Endoscopies showed focal or diffuse inflammation, hemorrhagic plaques and superficial colonic ulcers. Biopsies revealed inflammatory cells associated with cytoplasmic and intranuclear inclusion bodies. Barium enema examinations showed mucosal granularity, superficial erosions, thickened folds and spasticity. Disease was either diffuse (4 patients) or segmental (2 patients), or it involved the cecum exclusively (3 patients). Two patients had normal barium enema studies. Computed tomography scans in 2 patients demonstrated marked colonic wall thickening and mucosal ulcerations. In the homosexual population with acquired immunodeficiency syndrome, CMV colitis should be part of the differential diagnosis of diffuse colitis, segmental colitis, or typhlitis.