Orbital pseudotumor as a result of chronic sinusitis in an HIV-positive patient.

Orbital inflammatory pseudotumor is an infrequent lesion that may mimic malignancy and may be associated with autoimmune disease. Orbital pseudotumor is in the differential in any patient with an orbital mass, especially in the setting of chronic infection or immunosuppression. This HIV-positive patient presented with chronic sinusitis and orbital pseudotumor.