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  • Title: Peripheral neuropathy in myotonic dystrophy: a nerve biopsy study.
    Author: Cros D, Harnden P, Pouget J, Pellissier JF, Gastaut JL, Serratrice G.
    Journal: Ann Neurol; 1988 May; 23(5):470-6. PubMed ID: 2839105.
    Abstract:
    Sural nerve biopsies from 13 unselected myotonic dystrophy patients and 6 normal controls were studied morphometrically. The myelinated fiber density was reduced in 11 of the 13 myotonic dystrophy patients, with preferential loss of large myelinated fibers. Unmyelinated fiber densities and diameters were normal. Teased fiber studies commonly revealed focal areas of remyelination and abnormal wrinkling of the myelin sheath. Measurement of internodal length disclosed features of both axonal regeneration and focal demyelination-remyelination. These findings are consistent with a chronic axonopathy of moderate severity, possibly due to axonal atrophy.
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