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  • Title: [Kennedy syndrome--bulbo-spinal muscular atrophy].
    Author: Szabó A, Mechler F.
    Journal: Ideggyogy Sz; 2002 Sep 20; 55(9-10):323-9. PubMed ID: 12503246.
    Abstract:
    Kennedy syndrome is a late-onset, bulbar-spinal type of muscular atrophy, with X-linked recessive inheritance. The characteristic features of the disease become prominent in the 4-5th decades: proximal muscle wasting and weakness, bulbar signs, fasciculations in skeletal muscles, subtle signs of endocrine dysfunction, such as gynaecomastia or testicular atrophy. The electrophysiological examinations are the keypoint to the diagnosis. Electroneurography shows normal conduction velocity in peripheral nerves, but the sensory nerves usually show axonal degeneration, which causes only very mild or subclinical neurological deficits. Electromyography shows chronic anterior horn cell degeneration in skeletal muscles. Molecular genetic diagnosis was introduced in 1991, when on abnormal expansion of CAG repeat was found in the first exon of the androgen receptor gene on chromosome X with a frequency of 100% in the affected population. Since the progression is very slow and these patients can expect a normal life span, it is essential to distinguish this syndrome from other, often more severe diseases, such as ALS. There is no proven therapy for Kennedy's disease yet. This is the first case of Kennedy's disease published in Hungary.
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