Werner's syndrome associated with basal cell epithelioma

A Japanese female with Werner's syndrome associated with basal cell epithelioma is reported. Werner's syndrome is prone to malignancy, and many such cases have been reported. However, basal cell epithelioma is rare in Werner's syndrome. In the presented case, a black nodule about 2 cm in diameter with erosion developed on her abdomen. The histology revealed the findings of basal cell epithelioma.