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Magnetic Resonance Studies of Dentato-rubro-pallido-luysian Atrophy:Correlation with Clinical Severity and Age of Onset Hideki Otsuka 1 , Masafumi Harada 1 , Masashi Hieda 1 , Masako Takahashi 1 , Kouichi Miyoshi 2 , Masahito Miyazaki 3 , Ikuko Kondoh 4 , Hiromu Nishitani 1 1Department of Radiology, School of Medicine, Tokushima University 2School of Medical Technology, Tokushima University 3Department of Pediatrics, School of Medicine, Tokushima University 4Department of Hygiene, School of Medicine, Ehime University Keyword: dentato-rubro-pallido-luysian atrophy(DRPLA) , DNA analysis , 1H-MRS , MRI pp.818-823
Published Date 1996/9/1
DOI https://doi.org/10.11477/mf.1406900998
  • Abstract
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Dentato-rubro-pallido-luysian atrophy (DRP-LA) is a rare autosomal dominant neurodegene-rative disorder. Recently the genetic abnormality has become clear. We encountered four patients with DRPLA (including a 14-year-old boy and his father) in whom the final diagnosis was made by DNA analysis. In addition to performing conven-tional MRI, we quantified brain metabolites by proton MR spectroscopy. We also compared the expanded repeat size of CAG trinucleotide in a gene on the short arm of chromosome 12 to the MR findings which consisted of the findings of clinical severity and age of onset.


Copyright © 1996, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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