MedlinePlus Medical Encyclopedia: Dermatomyositis, Gottron's papule

Medical Encyclopedia

Dermatomyositis, Gottron's papule

This is Gottron's sign, seen in dermatomyositis (an inflammatory disease of the muscles and skin). Violet-colored inflammation over the knuckles is an important diagnostic finding in dermatomyositis, since other skin conditions produce more redness.

Update Date: 12/24/2007

Updated by: David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.; and Paul H. Plotz, MD, Chief, Arthritis and Rheumatism Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases. Previously reviewed by Kevin Berman, MD, PhD, Associate, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network (4/12/2007).

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