doughnut sign

doughnut sign2016-11-23T12:46:35+00:00

doughnut sign

doughnut sign image from New Medical Terms

doughnut sign

DERMATOLOGY

Definition A clinical finding seen in scleromyxoedema which consists of a central region of atrophic skin surrounded by an elevated rim of skin on the extended proximal interphalangeal joint.

References Case Rep Dermatol. 2013 May-Aug; 5(2): 168–175. doi: 10.1159/000353178

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3712821/

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