Frictional pyogenic granuloma of the nail bed.
Richert
B
B
D000368:Aged; D017276:Friction; D017789:Granuloma, Pyogenic / Q000209:etiology / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009260:Nail Diseases / Q000209:etiology / Q000473:pathology*