Abdominal Pain in a Patient with AIDS

Figure 2. High-power micrograph (original magnification, 600) of the appendix specimen shows mucosal cells with characteristic cytomegalovirus inclusions (arrow); note the “owl-eye” intranuclear inclusions and granular cytoplasmic inclusions. Figure 1. Low-power micrograph (original magnification, 40) of a longitudinal section of the appendix demonstrates mucosa ulcerated with a lymphohistiocytic infiltrate in the lamina propria and submucosa.