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Gottron's sign
Etiology:
- suggestive of polymyositis/dermatomyositis
Clinical manifestations:
- a rash (poikiloderma) & purpura over the knuckles (dorsum of proximal interphalangeal joints & metacarpophalangeal joints)
- if rubbed, they become papular (Gottron's papules)
Related
Gottron's papule
poikiloderma
General
sign/symptom
References
Medical Knowledge Self Assessment Program (MKSAP) 11, American
College of Physicians, Philadelphia 1998