Giant-Cell Fibroblastoma with Pigmented Dermatofibrosarcoma Protuberans Component
- 1 July 1994
- journal article
- case report
- Published by Wolters Kluwer Health in The American Journal of Surgical Pathology
- Vol. 18 (7) , 736-740
- https://doi.org/10.1097/00000478-199407000-00010
Abstract
A unique case of giant-cell fibroblastoma that contained a pigmented dermatofibrosarcoma component (Bednár tumor) is described. The melanin pigmented dendritic cells found in the dermatofibrosarcoma component were round or spindle-shaped and had bipolar extensions. They were S-100 protein positive. Our case indicates the close histogenetic relationship between giant-cell fibroblastoma and dermatofibrosarcoma protuberans. The occurrence of the pigmented melanin-laden dendritic cells in our tumor further substantiates the theory that Bednár tumor is a pigmented variant of dermatofibrosarcoma protuberans.Keywords
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