Solitary hyperkeratotic papule on the right index finger.
Department of Dermatology, Boston University School of Medicine, Boston, MA, USA.
O
O
Abbas
N
N
Krejci
D
D
Wolpowitz
D000368:Aged; D005385:Fingers; D006801:Humans; D008297:Male; D009260:Nail Diseases / Q000473:pathology; D012871:Skin Diseases / Q000473:pathology*