Skin Keratotic Basal Cell Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A variant of basal cell carcinoma with the architectural features of a nodular basal cell carcinoma. It is characterized by the formation of keratin (horn cysts) in the center of the tumor islands. Dystrophic calcification is frequently present.

**Synonyms:** - Keratotic Basal Cell Carcinoma - Pilar Basal Cell Carcinoma