1999 年 14 巻 3 号 p. 278-281
The patient was a woman of 80 years old. She had dialysis for 2 years because of chronic renal failure. She was HCV antibody positive. Two keratoacanthomas appeared in the psoriatic eruption on the dorsum of manus complicated by the basal cell carcinoma in the root of nose. We discussed Psoriasis as the antecedent lesion of keratoacanthomas and the complication of untreated psoriasis and malignant disease.