• Der Nervenarzt · Jun 2011

    [Facioscapulohumeral muscular dystrophy. Clinical picture, atypical forms, diagnostics, genetics].

    • B Jordan, C Müller-Reible, and S Zierz.
    • Klinik für Neurologie, Martin-Luther-Universität Halle-Wittenberg, Halle/Saale. Berit.Jordan@medizin.uni-halle.de
    • Nervenarzt. 2011 Jun 1; 82 (6): 712-22.

    AbstractThe classic phenotype of the facioscapulohumeral muscular dystrophy (FSHD) includes an initially restricted pattern of asymmetric weakness of facial and shoulder girdle muscles. Disease progression is usually slow and typically accompanied by foot extensor muscle weakness and pelvic girdle weakness. Atypical patterns of FSHD that include isolated camptocormia and facial muscle sparing exceed current diagnostic criteria. No causal genetic lesion in FSHD has been identified yet. In the vast majority of cases, FSHD results from a heterozygous partial deletion of a critical number of repetitive elements (D4Z4) on chromosome 4q35 (4qA allele). Molecular diagnostic testing is appropriate to confirm the diagnosis of FSHD without need for muscle biopsy. Penetrance of this dominantly inherited disorder is high, exhibiting a great phenotypic variability in clinical pattern and disease progression even among affected members of the same family.

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