J Korean Neurol Assoc.  1985 Dec;3(2):254-266.

A Clinical Study on 16 Cases of Myotonic Dystrophy

Affiliations
  • 1Department of Neurology, Seoul National University.

Abstract

Myotonic dystrophy is a familial multisystem disorder transmitted by autosomal dominant pattern, which is the commonest of adult-onset muscular dystrophies. We analyzed clinically 16 patients of myotonic dystrophy who had admitted at Seoul National University Hospital during past 8.5 years (from Jan. 1977 to July 1985). Sex ratio is 7:1 (male; 14, female;2) and the average age is 29.6 (17-49). Chief complaints, at admission, are relaxation difficulty (88%), extremity weakness (69%), speech disturbance (63%), frontal baldness (38%), and impotence(31%), etc. in that order of frequency. Physical examination showed myotonia and typical myopathic appearnace in all cases. EMG and muscle biopsy revealed typical features of myotonic dystrophy. Associated other abnormalities are EKG abnormality (81%), eye involvement (68.7%), abnormal skull X-ray (46.7%), DM (18.8%), increased serum gonadotropin level (90%), abnormal semen composition (80%), decreased pulmonary function (100%) and mild brain atrophy, etc. Diphenylhydantoin was given and physiotherapy with genetic counselling was performed. Seven of sixteen patients showed slight decrement of myotonia.


MeSH Terms

Alopecia
Atrophy
Biopsy
Brain
Electrocardiography
Extremities
Gonadotropins
Humans
Muscular Dystrophies
Myotonia
Myotonic Dystrophy*
Phenytoin
Physical Examination
Relaxation
Semen
Seoul
Sex Ratio
Skull
Gonadotropins
Phenytoin
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