Persistent olfactory bulb ventricle.
A large cystic olfactory bulb was discovered incidentally at autopsy. There was no evidence of central nervous system trauma or infection. Hemispheric malformations did not exist except for a dorsal displacement of the overlying gyrus rectus. We interpreted the cyst to be a persistent olfactory bulb ventricle.
D000328:Adult; D002552:Cerebral Ventricles / Q000002:abnormalities; D006801:Humans; D008297:Male; D009830:Olfactory Bulb / Q000002:abnormalities*