Cytomegalovirus enteritis mimicking Crohn's disease in a lupus nephritis patient: a case report.

Cytomegalovirus (CMV) infection of the gastrointestinal (GI) tract has been reported in both immunocompetent and, more frequently, in immunocompromised patients. We describe a case of a 19-year-old male who developed CMV infection of the terminal ileum while receiving immunosuppression for lupus nephritis. This was a distinctly unusual site of infection which clinically mimicked Crohn's ileitis. We note that reports of terminal ileal CMV infection have been infrequent. Despite a complicated hospital course, ganciclovir therapy was effective in resolving his symptoms and normalizing his ileal mucosa. This report highlights the importance of accurate histological diagnosis and clinical follow-up of lupus patients with GI symptoms undergoing intense immunosuppression.