title: An autopsied case of juvenile parkinsonism and dementia, with a widespread occurrence of Lewy bodies and spheroids.
abstract: An autopsied case of juvenile parkinsonism and dementia is described. The patient is a 48-year-old man who had a ten-year history of parkinsonian syndrome and progressive dementia. Neuropathological examination revealed a widespread occurrence of Lewy bodies and spheroids in the central nervous system. Lewy bodies were found not only in the brain stem and diencephalon, but also in the cerebral cortex. Massive numbers of small spheroids were observed in the globus pallidus, substantia nigra, mamillary bodies and hippocampus. Electron microscopical examination showed that most spheroids were composed of degenerative organelles with only a few neurofilaments, and were different from those of Hallervorden-Spatz disease. There was also marked neuronal loss with gliosis in the CA3-4 of the hippocampus. Some neurofibrillary tangles occurred in the hippocampus, subcortical and brain stem nuclei, but senile plaques were absent. This case may represent an atypical form of pure diffuse Lewy body disease.
authors.affiliation: Department of Psychiatry and Neurology, Yokohama City University School of Medicine, Japan.
authors.forename: T
authors.initials: T
authors.lastname: Odawara
authors.forename: E
authors.initials: E
authors.lastname: Iseki
authors.forename: S
authors.initials: S
authors.lastname: Yagishita
authors.forename: N
authors.initials: N
authors.lastname: Amano
authors.forename: K
authors.initials: K
authors.lastname: Kosaka
authors.forename: K
authors.initials: K
authors.lastname: Hasegawa
authors.forename: Y
authors.initials: Y
authors.lastname: Matsuda
authors.forename: H
authors.initials: H
authors.lastname: Kowa
mesh_terms: D001921:Brain / Q000473:pathology*; D003704:Dementia / Q000473:pathology*; D006801:Humans; D002479:Inclusion Bodies / Q000648:ultrastructure*; D016631:Lewy Bodies / Q000648:ultrastructure*; D008297:Male; D008875:Middle Aged; D009410:Nerve Degeneration; D016874:Neurofibrillary Tangles / Q000648:ultrastructure; D009474:Neurons / Q000473:pathology; D010300:Parkinson Disease / Q000473:pathology*; D013116:Spinal Cord / Q000473:pathology*