Incipient hemangioblastoma of the optic disk.
D000328:Adult; D000798:Angiomatosis / Q000473:pathology*; D005134:Eye Neoplasms / Q000473:pathology*; D005451:Fluorescein Angiography; D006394:Hemangiosarcoma / Q000473:pathology*; D006801:Humans; D008297:Male; D009898:Optic Disk / Q000473:pathology*; D006623:von Hippel-Lindau Disease / Q000473:pathology*