Biopsy-Proven Dermatomyositis with Normal Creatine Kinase / 대한내과학회지

ABSTRACT

Dermatomyositis (DM) is an idiopathic inflammatory myopathy (IIM) characterized by skeletal muscle inflammation and typical skin manifestations. Creatine kinase (CK) has traditionally been considered to be the most useful serum enzyme for the diagnosis and assessment of adult patients with IIM. To our knowledge, there has been no reported case of biopsy-proven DM without CK elevation in Korea, to date. Panniculitis is an uncommon cutaneous manifestation in adult patients with DM. A search of the PubMed database reveals fewer than 30 reported cases of panniculitis in adult patients with DM. Here, we report a case of a 42-year-old female who was diagnosed with biopsy-proven DM with normal serum CK levels and panniculitis.