Primary melanoma of the leptomeninges.
D000328:Adult; D002493:Central Nervous System Diseases / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008545:Melanoma / Q000473:pathology*; D008578:Meninges / Q000473:pathology*; D008875:Middle Aged; D009369:Neoplasms; D009508:Nevus, Pigmented / Q000150:complications