Plaque-Like CD34-Positive Dermal Fibroma

**Semantic type:** Neoplastic Process

**Definition:** A congenital or acquired benign dermal spindle cell fibroblastic neoplasm characterized by the presence of a band-like proliferation of CD34-positive neoplastic spindle cells without atypical features. It presents as a solitary, slow-growing oval, round, or medallion shaped plaque.

**Synonyms:** - MDDH - Medallion-Like Dermal Dendrocyte Hamartoma