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Case Reports
. 1999 Jun;30(3):161-3.
doi: 10.1055/s-2007-973484.

Early onset of X-linked Emery-Dreifuss muscular dystrophy in a boy with emerin gene deletion

S Fujimoto  1 , T Ishikawa, M Saito, Y Wada, I Wada, K Arahata, I Nonaka
Affiliations
Case Reports

Early onset of X-linked Emery-Dreifuss muscular dystrophy in a boy with emerin gene deletion

S Fujimoto et al. Neuropediatrics. 1999 Jun.

Abstract

A boy developed contractures of the Achilles tendons at 3 years and of the postcervical muscles at 7 years, although neither contractures of the elbows nor cardiac abnormality were recognized by the age of 9 years. Muscle computed tomography scanning revealed changes characteristic of muscle involvement. Emerin was not detected in the biopsied muscle, and RT-PCR and PCR-based genomic DNA analyses of the emerin gene demonstrated no amplification product in the patient. These results confirmed the diagnosis of X-linked Emery-Dreifuss muscular dystrophy (EDMD), and reinforce the necessity of molecular genetic diagnosis of the membrane protein emerin in younger patients with possible EDMD before appearance of the typical symptoms, to avoid sudden cardiac death.

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