Punctate porokeratotic keratoderma.
D001706:Biopsy; D002294:Carcinoma, Squamous Cell / Q000150:complications; D006651:Histocytochemistry; D006801:Humans; D007645:Keratoderma, Palmoplantar / Q000473:pathology; D008175:Lung Neoplasms / Q000150:complications; D008297:Male; D008875:Middle Aged; D012867:Skin / Q000473:pathology; D013545:Sweat Glands / Q000473:pathology