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Article
June 1961

Pigmented Basal-Cell Carcinoma in Verrucous Nevi: Report of 2 Cases

Author Affiliations

BEVERLY HILLS, CALIF.

From the Medical Service, Veterans Administration Center, Los Angeles, and the Department of Medicine (Dermatology), U.C.L.A. Medical Center, Los Angeles.

Arch Dermatol. 1961;83(6):960-964. doi:10.1001/archderm.1961.01580120072017
Abstract

A pigmented basal-cell carcinoma is an infrequent finding in a verrucous nevus. Pack and Sunderland1 reported that it had been designated by 40 different names, of which the most frequent was nevus unius lateris. In their study of 160 cases collected from the literature and their own material, they were able to find only 4 patients who developed neoplasms. One of these was previously reported by Toyama and Kojima2 in a patient who developed several basal-cell carcinomas, Bowen's disease, and one squamous-cell carcinoma in the area involved by the epidermal nevus. Of their own 3 patients, one died of carcinoma of the breast with pulmonary metastases, the second had multiple basal-cell carcinomas, and the third died of carcinomas of the stomach and esophagus. Thus it is evident that the verrucous nevus is rarely involved by neoplastic proliferation. Carney3 described a linear nevus in which 3 basal-cell carcinomas

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