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Pathologica. 1991 May-Jun;83(1085):325-34.

[Oculopharyngeal muscular dystrophy. Description of a case with involvement of the central nervous system].

[Article in Italian]

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Unità Operativa di Neurologia, USL 23 di Arezzo.


A sporadic case of oculopharyngeal muscular dystrophy occurred in a 74-year-old woman is described. High levels of IgA and IgG in the serum, and esophageal smooth muscle involvement are shown. Electromyography of several limb muscles displayed myopathic pattern with giant polyphasic motor unit potentials, suggesting superimposed denervation. The histological examination of peroneus brevis muscle biopsy specimen showed myopathic changes with dystrophic features, associated with neurogenic changes, including atrophic angulated fibers, small-group atrophy and type-grouping: concomitant involvement of spinal motor neuron pathway is hypotized, normal values of motor and sensory nerve conduction velocities excluding associated polineuropathy. Furthermore, Somatosensory Evoked Potentials recording revealed bilaterally increased Central Conduction Time. Referring to other similar cases previously reported in the literature, the significance of neurogenic involvement in oculopharyngeal muscular dystrophy is discussed.

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