Bernard M. Schuman, M.D., F.A.C.P.; Joseph A. Rinaldo Jr., M.D., F.A.C.P.; J. Dana Darnley, M.D.
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It is not generally appreciated that alteration of the muscular component of viscera can be a dominant feature of myotonic dystrophy. Twelve patients with varying degrees of clinically evident involvement of somatic muscles were studied. Abnormal electromyograms were present in the five patients tested. Dysfunction of striated laryngeal and pharyngeal muscles was a prominent clinical finding. Manometric evaluation of the pharynx and esophagus was carried out in ten patients, six of whom complained of dysphagia. Not only was there a marked weakness of the pharyngeal swallowing contraction in five of eight patients examined, but nine of ten patients had similar
Schuman BM, Rinaldo JA, Darnley JD. Visceral Changes in Myotonic Dystrophy.. Ann Intern Med. 1965;62:1097–1098. doi: https://doi.org/10.7326/0003-4819-62-5-1097_3
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Published: Ann Intern Med. 1965;62(5):1097-1098.
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