A Case of Hypothyroid Myopathy / 대한류마티스학회지

ABSTRACT

Hypothyroidism may be accompanied by different rheumatic syndromes such as neuropathy. Arthropathy and myopathy. Sebere myopathy with high elevations of creatine kinase (CK) is rarely seen in hypothyroidism. Authors experinced a case of myopathy with hypothyroidism. Similar to rheumatoid arthritis or polymyositis like syndrome. We have treated with thyroid hormone replacement (Levothyroxine sedium 100ug/day) for 10 months. The initial serology resulted in free T4 0.51ng/dl, TSH 110ulU/ml, LDH 465 units, and CK 4385 units. After tratment, we gained free T4 1.60ng/dl, TSH 0.14uIU/ml, LDH 110 units, and CK 80 utits and musculoskeletal symptoms are much improved We reprort this patient with a review of literatures.