Cytomegalovirus colitis followed by ischemic colitis in a non-immunocompromised adult: A case report

Figure 1 Endoscopic findings. A: First colonoscopy (day 4), mucosal hyperemic change with edema, erosion and ulcerations and hemorrhagic friable mucosa from the descending to sigmoid colon; B: Follow-up colonoscopy after conservative therapy (day 25); ulcerations remain; C: Follow-up colonoscopy after ganciclovir therapy (day 46); ulcerations have healed.

Figure 2 Pathological examinations following hematoxylin-eosin and immunohistochemical staining. A: White arrow shows cytomegalovirus inclusion bodies (HE staining, × 200); B: Red arrows show cytomegalovirus-positive cells (immunohistochemical staining, × 200).

Figure 3 Clinical course of this case. CS: Colonoscopy; CMV: Cytomegalovirus; CRP: C-reactive protein; WBC: White blood cells.