Intraepidermal Epithelioma of Jadassohn

**Semantic type:** Neoplastic Process

**Definition:** A rare cutaneous lesion presenting as a scaly verrucous plaque. Morphologically, the plaque contains nests of basaloid cells.

**Synonyms:** - Borst-Jadassohn Intraepidermal Carcinoma - Intraepidermal epithelioma of Jadassohn