J Korean Neurol Assoc.  2003 Feb;21(1):111-114.

A Case of Hyperthyroid Myopathy Due to Graves' Disease

Affiliations
  • 1Department of Neurology, Kangnung Asan Hospital, University of Ulsan College of Medicine, 415 Bangdong-ri, Sacheon-myon, Gangnung, Gangwon-do, 210-850, Korea. jkd@knh.co.kr
  • 2Department of Internal Medicine, Kangnung Asan Hospital, University of Ulsan College of Medicine, Korea.
  • 3Department of Diagnostic Pathology, Kangnung Asan Hospital, University of Ulsan College of Medicine, Korea.
  • 4Department of Neurology, Seoul Asan Hospital, Asan Medical Center, University of Ulsan College of Medicine, Korea.
  • 5Department of Family Medicine, Seoul Asan Hospital, Asan Medical Center, University of Ulsan College of Medicine, Korea.

Abstract

A 49-year-old woman was admitted with a three-month history of myalgia and progressive proximal and distal muscle weaknesses. Physical examination showed diffuse enlargement of the thyroid gland and mild muscle atrophy. Serum creatine kinase was slightly increased and electromyography showed a myopathic pattern. Muscle biopsy showed nonspecific myopathic changes. Serum thyroid-stimulating hormone was very low, whereas thyroxine (T4) was greatly increased as well as anti-thyroglobulin, anti-microsome, and TSH-receptor antibody. The patient's symptoms were improved during the treatment with propilthiouracil.

Keyword

Myopathy; Hyperthyroidism; Graves' disease

MeSH Terms

Biopsy
Creatine Kinase
Electromyography
Female
Graves Disease*
Humans
Hyperthyroidism
Middle Aged
Muscle Weakness
Muscular Atrophy
Muscular Diseases*
Myalgia
Physical Examination
Thyroid Gland
Thyrotropin
Thyroxine
Creatine Kinase
Thyrotropin
Thyroxine
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