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Neurology. 2002 Sep 10;59(5):770-2.

Expression of X-linked bulbospinal muscular atrophy (Kennedy disease) in two homozygous women.

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  • 1Department of Medicine, Section of Neurology, Faculty of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada.


The authors describe the novel occurrence of homozygosity for the CAG expansion in the androgen receptor gene causing Kennedy disease in two sisters (ages 34 and 42). Symptoms were limited to occasional muscle cramps and twitches. Physical examinations were normal apart from mild hand tremor in both women and rare perioral fasciculations in the older sibling. Electrodiagnostic studies were normal except for evidence of mild motor axonal loss in the sternocleidomastoid muscle of the older sibling.

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