Malignant melanomas are derived from cells of melanocytic origin. The question of dual origin from both epidermal melanocytes and nevus cells versus origin from epidermal melanocytes alone, remains an area of active controversy. This section will be limited to discussion of the major clinical forms of cutaneous melanoma, including superficial spreading malignant melanoma (SSMM), nodular melanoma (NM), acral lentiginous mucosal melanoma (ALMM), and lentigo maligna melanoma (LMM). Uncommon variants will not be covered.
KeywordsSentinel Lymph Node Biopsy Pigment Lesion Nodular Melanoma Elective Lymph Node Dissection Epidermal Melanocyte
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