PMC9420368_01
: Contrast-enhanced computerized tomography (CT) of the abdomen and pelvis showing irregular thickening of the rectal wall (red circle). Note the reduction of the rectum lumen caused by it (white arrow).
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C screens were also positive. Contrast-enhanced computerized tomography (CT) of the abdomen and pelvis showed irregular thickening of the rectal wall interpreted as proctitis and possible malignancy (Fig. 1).
A and B: hematoxylin eosin staining of biopsy tissue shows CMV cytopathic effect, with large cell with "owl eyes" inclusion body within the nucleus (black circles).
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Biopsy of the lesion showed an ulcer mixed with inflammation, high grade squamous intraepithelial lesion, and viral cytopathic effect compatible with CMV (Fig. 2: A and B).