Gottron's papules? Acanthosis nigricans.
Stone
J H
JH
University of California, San Francisco, USA.
Sack
K E
KE
McCalmont
T H
TH
Connolly
M K
MK
D000052:Acanthosis Nigricans / Q000175:diagnosis* / Q000473:pathology*; D001706:Biopsy; D003937:Diagnosis, Differential; D005384:Finger Joint / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012867:Skin / Q000473:pathology