title: Familial juvenile parkinsonism: clinical and pathologic study in a family.
abstract: We describe a family with juvenile-onset parkinsonism, which improved following sleep. Four of the five siblings in this family developed a similar onset of parkinsonism at an early age, and the parents were first cousins. In one of the siblings, a 67-year-old woman, pathologic changes at autopsy were confined to the substantia nigra pars compacta (SNPC) and locus ceruleus. The SNPC revealed obvious neuronal loss and gliosis in the medial and ventrolateral regions. In the remainder of the SNPC and the locus ceruleus, the population of neurons was reduced and there was low melanin content in most of the neurons but no detectable gliosis or extraneuronal free melanin pigment suggestive of a neurodegenerative process. There were no Lewy bodies. The entire pathologic picture was different from that of Lewy body Parkinson's disease.
authors.affiliation: Department of Pathology, Niigata University, Japan.
authors.forename: H
authors.initials: H
authors.lastname: Takahashi
authors.forename: E
authors.initials: E
authors.lastname: Ohama
authors.forename: S
authors.initials: S
authors.lastname: Suzuki
authors.forename: Y
authors.initials: Y
authors.lastname: Horikawa
authors.forename: A
authors.initials: A
authors.lastname: Ishikawa
authors.forename: T
authors.initials: T
authors.lastname: Morita
authors.forename: S
authors.initials: S
authors.lastname: Tsuji
authors.forename: F
authors.initials: F
authors.lastname: Ikuta
mesh_terms: D000328:Adult; D017668:Age of Onset; D000368:Aged; D005260:Female; D006801:Humans; D008125:Locus Coeruleus / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000235:genetics* / Q000473:pathology*; D010375:Pedigree; D013378:Substantia Nigra / Q000473:pathology*