Lentigo Maligna Melanoma

**Semantic type:** Neoplastic Process

**Definition:** A melanoma of the skin characterized by single cell infiltration of the papillary dermis by atypical melanocytes, in a background of lentigo maligna changes.

**Synonyms:** - LMM - Lentigo maligna melanoma - Malignant Lentigo Melanoma - Melanoma in Hutchinson Melanotic Freckle