Severe knee pain as the single symptom of CMV infection in acute ulcerative colitis treated with cyclosporine.

We describe a case of systemic cytomegalovirus (CMV) infection in an ulcerative colitis patient admitted to the hospital for an acute flare-up of his colitis. He was treated with combination immunosuppressive therapy including i.v. cyclosporine and corticosteroids and PO azathioprine. Severe bilateral stabbing knee pain was the only manifestation of CMV disease, which quickly responded to adequate antiviral therapy.