J Korean Surg Soc.  2008 Feb;74(2):143-145.

Dermatomyositis in a Breast Cancer Patient

Affiliations
  • 1Department of Surgery, College of Medicine, Chungnam National University, Daejeon, Korea. eschang@cnu.ac.kr
  • 2Research Institute for Medical Sciences, College of Medicine, Chungnam National University, Daejeon, Korea.

Abstract

Cancer-associated rheumatic disorders are sometimes present concurrently with a tumor, but are not recognized initially. We report a case of dermatomyositis with breast cancer. A 46 year-old woman diagnosed with breast cancer with axillary lymph node metastasis had been treated by neoadjuvant chemotherapy and a lumpectomy with axillary lymph node dissection. She presented with a red rash on her face, eyelids, neck, and shoulders. A skin biopsy did not rule out dermatomyositis. Laboratory values were within normal limits, except muscle enzymes (Creatine kinase). Electromyography showed the presence of early myopathy. A PET CT-scan showed muscle uptake in left infraspinatus, r/o myositis. No abnormalities were presented in the muscle biopsy. Symptoms were improved by steroid therapy.

Keyword

Dermatomyositis; Breast cancer; Skin biopsy; Muscle biopsy; Steroid therapy

MeSH Terms

Biopsy
Breast
Breast Neoplasms
Dermatomyositis
Electromyography
Exanthema
Eyelids
Female
Humans
Lymph Node Excision
Lymph Nodes
Mastectomy, Segmental
Muscles
Muscular Diseases
Myositis
Neck
Neoplasm Metastasis
Shoulder
Skin
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