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November 1974

Pigmented Calcifying EpitheliomaReview and Presentation of a Case With Unusual Features

Author Affiliations

From the Department of Dermatology, Tufts University School of Medicine and the Dermatopathology Laboratory, Boston City Hospital, Boston. Dr. Cazers is now in private practice.

Arch Dermatol. 1974;110(5):773-774. doi:10.1001/archderm.1974.01630110067019

In a series of 37 cases of calcifying epithelioma, three lesions showed microscopic melanization. In these three cases, melanin was present in shadow cells and stromal cells. One epithelioma was unusual because melanin was also present in dendritic melanocytes within masses of basophilic cells, and because the tumor showed gross pigmentation. The presence of dendritic melanocytes among the basophilic cells provided another similarity between calcifying epithelioma and hair bulbs.