Malignant melanoblastosis of the leptomeninx.
D000328:Adult; D001344:Autopsy; D001921:Brain / Q000473:pathology; D002493:Central Nervous System Diseases / Q000473:pathology*; D006801:Humans; D008297:Male; D008545:Melanoma / Q000473:pathology*; D009369:Neoplasms / Q000473:pathology; D010841:Pia Mater / Q000473:pathology*