Orbital hemangiopericytoma or vascular meningioma?
D000328:Adult; D003937:Diagnosis, Differential; D005654:Fundus Oculi; D006393:Hemangiopericytoma / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008297:Male; D008579:Meningioma / Q000175:diagnosis* / Q000473:pathology; D009918:Orbital Neoplasms / Q000175:diagnosis* / Q000473:pathology; D012173:Retinitis / Q000150:complications; D013194:Staining and Labeling; D014794:Visual Fields