Recognition of a case of choroidal melanoma by ultrasound.
D002830:Choroid Neoplasms / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008297:Male; D008545:Melanoma / Q000175:diagnosis*; D008875:Middle Aged; D009900:Optic Nerve / Q000473:pathology; D014465:Ultrasonics