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Unusual Retinal Phenotypes in an SCA7 Family

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/39332

Title: Unusual Retinal Phenotypes in an SCA7 Family
Authors: Inaba, Hirofumi Browse this author
Yabe, Ichiro Browse this author →KAKEN DB
Yashima, Moemi Browse this author
Soma, Hiroyuki Browse this author
Nakamura, Yasushi Browse this author
Houzen, Hideki Browse this author
Sasaki, Hidenao Browse this author →KAKEN DB
Keywords: depigmentary degeneration
retina
SCA7
spinocerebellar ataxia type 7
ataxia
ADCA II
Issue Date: 17-Aug-2009
Publisher: The Japanese Society of Internal Medicine
Journal Title: Internal Medicine
Volume: 48
Issue: 16
Start Page: 1461
End Page: 1464
Publisher DOI: 10.2169/internalmedicine.48.2072
Abstract: We report the cases of a father and his son with spinocerebellar ataxia type 7 (SCA7), a disorder rarely reported in Japan. The father had noticed dysarthria at age 38, and gait instability at age 46. Visual disturbance was noted 3 years later. Neurological examination at age 54 revealed visual disturbance, dysarthria, and cerebellar ataxia in all four extremities and the trunk. Cranial MRI showed moderate atrophy of the brain stem and cerebellar hemispheres. However, no retinal degeneration was found. The son was 16 years old at our first examination. Since age 6, his visual acuity began to decrease; at age 10, he noticed clumsiness in his hands. Six years later he began to experience gait instability. Neurological examination revealed visual disturbance and cerebellar ataxia. He was diagnosed with SCA7 by genetic analysis. His ophthalmologic examination showed retinal degeneration without pigmented spots, which is different from those of retinal phenotypes previously described in SCA7.
Type: article (author version)
URI: http://hdl.handle.net/2115/39332
Appears in Collections:医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 矢部 一郎

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