Dermatology Scaly, patchy erythema over the knuckles in Pts with dermatomyositis. See Dermatomyositis, Polymyositis.
Gottron sign
(got′ron) [Heinrich A. Gottron, Ger. dermatologist, 1890–1974] Red or purple plaques on the dorsum of the hands and on the forearms, elbows, and knees; found in dermatomyositis. LegalSeeSign