Frosted branch angiitis as an immune recovery response in newly diagnosed acquired immunodeficiency syndrome and systemic cytomegalovirus infection.

Frosted branch angiitis (FBA) is an uncommon form of severe retinal perivasculitis associated with systemic inflammatory/infectious diseases. In this report, we describe a case of FBA and macular edema as a result of immune recovery response in a patient newly diagnosed with HIV infection and cytomegalovirus viremia.