Archives of the AFIP -- RadioGraphics 1995; 15: 1155-1178

Figure Legend | Panel A | Panel B | Panel C

Figure 15: Rectal lymphoma in a 34-year-old bisexual man with AIDS who presented with constipation, perianal pain, and rectal bleeding. Panel A Contrast-enhanced CT scan of the pelvis shows asymmetric, circumferential thickening of the rectal wall. The thickened wall is more prominent on the left side. Panel B Colonoscopic photograph of the lesion shows circumferential involvement of the rectum by the multilobulated mass. L = lumen. Panel C Photomicrograph (original magnification, X2.5; H-E stain) shows a high-grade lymphoma (L) within the submucosa.

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