J Korean Rheum Assoc.
2006 Sep;13(3):247-250.
A Case of Focal Myositis Associated with Rheumatoid Arthritis
- Affiliations
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- 1Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.
- 2Division of Rheumatology, Department of Internal Medicine, National Health Insurance Corporation Ilsan Hospital, Goyang, Korea. chanheell@paran.com
Abstract
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Focal myositis is an uncommon benign inflammatory myopathy of unknown cause affecting skeletal muscle, and presenting as a localized painful swelling within the soft tissue of an extremity. According to some reports, focal myositis may occur in patients with rheumatoid arthritis, sarcoidosis, and other connective tissue diseases. To our knowledge, there has been no case report of focal myositis associated with rheumatoid arthritis. We report first case of focal myositis in a patient with rheumatoid arthritis.