title: Sarcoidosis of the paranasal sinuses with orbital extension.
abstract: A 21-year-old black man with unilateral proptosis and decreased visual acuity was shown to have sarcoidosis of the paranasal sinuses with secondary invasion of the orbit, as demonstrated by contact B-scan ultrasonography, sinus tomography, surgical exploration, and biopsy.
mesh_terms: D000328:Adult; D005004:Ethmoid Bone / Q000473:pathology; D005094:Exophthalmos / Q000209:etiology; D006801:Humans; D008297:Male; D009915:Orbit / Q000473:pathology; D010256:Paranasal Sinuses / Q000473:pathology; D012507:Sarcoidosis / Q000150:complications / Q000175:diagnosis / Q000473:pathology*; D013100:Sphenoid Bone / Q000473:pathology