Clinical and magnetic resonance imaging features of elderly onset dentatorubral–pallidoluysian atrophy View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2018-02

AUTHORS

Atsuhiko Sugiyama, Noriko Sato, Yasuhiro Nakata, Yukio Kimura, Mikako Enokizono, Tomoko Maekawa, Madoka Kondo, Yuji Takahashi, Satoshi Kuwabara, Hiroshi Matsuda

ABSTRACT

Dentatorubral-pallidoluysian atrophy (DRPLA) is an autosomal dominant spinocerebellar ataxia caused by CAG triplet expansion in atrophin 1 and is frequently associated with cerebral white matter lesions. To elucidate the clinical features of elderly onset DRPLA and the key radiological findings for differentiating DRPLA from physiological white matter lesions in healthy elderly subjects, we reviewed the clinical and magnetic resonance imaging (MRI) features of ten patients with elderly onset genetically confirmed DRPLA (> 60 years) and compared their MRI findings with those of age- and sex-matched ten healthy subjects with asymptomatic cerebral white matter lesions. The initial symptom was cerebellar ataxia in all DRPLA patients, and five of them did not have any symptoms other than ataxia at the time of MRI examination. Atrophy of the brainstem, superior cerebellar peduncle, and cerebellum was detected in all DRPLA patients and none of the healthy subjects. Abnormal signals in the brainstem (inferior olive, pons, and midbrain), thalamus, and cerebellar white matter were frequently observed in elderly onset DRPLA patients but not in healthy subjects. In conclusion, elderly onset DRPLA presents as cerebellar ataxia alone in the early stage of disease. Atrophy of the brainstem, superior cerebellar peduncle, and cerebellum and abnormal signals in the brainstem, cerebellum, and thalamus are key findings for differentiating elderly onset DRPLA from asymptomatic cerebral white matter lesions in healthy subjects. More... »

PAGES

322-329

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s00415-017-8705-7

DOI

http://dx.doi.org/10.1007/s00415-017-8705-7

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1099695760

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/29236168


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34 schema:description Dentatorubral-pallidoluysian atrophy (DRPLA) is an autosomal dominant spinocerebellar ataxia caused by CAG triplet expansion in atrophin 1 and is frequently associated with cerebral white matter lesions. To elucidate the clinical features of elderly onset DRPLA and the key radiological findings for differentiating DRPLA from physiological white matter lesions in healthy elderly subjects, we reviewed the clinical and magnetic resonance imaging (MRI) features of ten patients with elderly onset genetically confirmed DRPLA (> 60 years) and compared their MRI findings with those of age- and sex-matched ten healthy subjects with asymptomatic cerebral white matter lesions. The initial symptom was cerebellar ataxia in all DRPLA patients, and five of them did not have any symptoms other than ataxia at the time of MRI examination. Atrophy of the brainstem, superior cerebellar peduncle, and cerebellum was detected in all DRPLA patients and none of the healthy subjects. Abnormal signals in the brainstem (inferior olive, pons, and midbrain), thalamus, and cerebellar white matter were frequently observed in elderly onset DRPLA patients but not in healthy subjects. In conclusion, elderly onset DRPLA presents as cerebellar ataxia alone in the early stage of disease. Atrophy of the brainstem, superior cerebellar peduncle, and cerebellum and abnormal signals in the brainstem, cerebellum, and thalamus are key findings for differentiating elderly onset DRPLA from asymptomatic cerebral white matter lesions in healthy subjects.
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