Hydatid disease of the nervous system.
D000293:Adolescent; D000328:Adult; D001927:Brain Diseases; D002648:Child; D004443:Echinococcosis; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009422:Nervous System Diseases; D012886:Skull; D013122:Spinal Diseases