期刊
NEUROMUSCULAR DISORDERS
卷 32, 期 1, 页码 75-79出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.nmd.2021.11.007
关键词
Kennedy; Bulbospinal; Female; Sex-differences; Case study
This is a retrospective study that presents a 21-year follow-up of two sisters with Kennedy disease. The study shows that these two female patients had minimal disease progression and maintained a normal level of function over the years.
We present a retrospective 21-year follow-up of two sisters with X-linked biallelic CAG expansions in the androgen receptor (AR) gene causing Kennedy disease. Two sisters inherited CAG expansions from their mother who was a carrier and their father who had Kennedy disease. Genetic testing revealed alleles comprising 43/45, and 43/43 CAG repeats in the younger and older sister, respectively. They were referred to a neurologist for further evaluation. Both reported similar symptoms with chronic backache, pain and cramps in upper- and lower extremities, and fasciculations in their faces and extremities. Neurological examination demonstrated postural hand tremor in both and EMG revealed chronic neurogenic changes. Reevaluation of the patients at ages 74 and 83 showed slight progression of clinical manifestations. As opposed to male patients, these two females showed minimal disease progression and have maintained normal level of function into old age. (C) 2021 The Author(s). Published by Elsevier B.V.
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