Pigmented Basal-Cell Epithelioma

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Abstract
Pigmented basal-cell epithelioma (or carcinoma) has been recognized for many years and has been the subject of numerous case reports and a few more extensive articles. The subject has been especially well presented in the American literature by Eller and Anderson,1and more recently by Cipollaro, Sachs, and Brodey.2In our experience in the Southwest, where epithelioma is extremely common, we have found pigmented basal-cell epithelioma not at all rare. Dealing with a population which is atleast 50% Latin-American, which means a mixture of Indian, Spanish, Anglo-Saxon, and other strains, we have been impressed with the extreme pigmentation sometimes found in basal-cell tumors and with the occasional complete lack of clinical characteristics of basal-cell epithelioma in these cases. In such cases it is sometimes impossible to distinguish the lesion clinically from malignant melanoma. We felt that it might be of interest to review the records of a dermatological practice (Smith and Garrett) and ascertain how common pigmented basal-cell epithelioma has been, what forms it has assumed, and to compare the incidence of this type of tumor in the darker Latin-American skins with that in the lighter skins of so-called "Anglos." We have studied the case records

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