Minimal Deviation Melanoma

**Semantic type:** Neoplastic Process

**Definition:** A melanocytic neoplasm displaying morphologic features that are intermediate between those of benign nevus and melanoma. It is characterized by a nodular architectural growth resembling a melanoma, and a loss of nevus cell maturation. The melanocytic cells forming the nodular growth are uniform, and they may display a high mitotic rate, but they do not show cytologic atypia.

**Synonyms:** - Minimal Deviation Cutaneous (Skin) Melanoma