Dermatomyositis
Dermatomyositis may manifest with a dusky, erythematous rash on the dorsum of the hand, including the radiodorsal aspects of the proximal interphalangeal and metacarpophalangeal joints (Gottron papules). Dermatomyositis has an increased risk of breast, lung, ovarian, and gastrointestinal cancers in adults over age 40.
Photo provided by Thomas Habif, MD.
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