Medallion‐like dermal dendrocyte hamartoma: A rare congenital CD34‐positive dermal lesion clinically and pathologically overlapping with fibroblastic connective tissue nevus

Abstract

Both medallion‐like dermal dendrocyte hamartoma and fibroblastic connective tissue nevus are rare benign dermal lesions composed of CD34‐positive spindle cells. Although regarded as different diseases, it is sometimes difficult to distinguish between them due to their clinical and pathological similarities. We present a case of medallion‐like dermal dendrocyte hamartoma that could also be diagnosed as fibroblastic connective tissue nevus and propose the possibility of overlap in these diseases.

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