BASAL MELANOCYTE PROLIFERATION:

 lentigo simplex
 solar lentigo
 melanotic macule (labial and genital)
 PUVA lentigo
 lentiginous nevus

MELANOCYTIC NEVI:

 common nevus (junctional, compound, intradermal)
 Meyerson nevus
 congenital nevus
 combined nevus
 inverted nevus
 recurrent nevus
 Halo nevus
 Spitz nevus (spindle and epithelioid cell nevus)
 pigmented spindle cell nevus (Reed nevus)
 deep-penetrating nevus (plexiform spindle cell nevus)

DERMAL MELANOCYTIC LESIONS (MELANOCYTOMAS):

 Mongolian spot
 nevus of Ota, nevus of Ito
 blue nevus, cellular blue nevus
 dermal melanocyte hamartoma
 cutaneous neurocristic hamartoma

ATYPICAL MELANOCYTIC LESIONS:

 dysplastic nevus (atypical nevus)

MALIGNANT MELANOCYTIC LESIONS:

 malignant melanoma

• lentigo maligna

 squamo-melanocytic tumor

References

 Bastian BC, Olshen AB, LeBoit PE, Pinkel D. Classifying melanocytic tumors based on DNA copy number changes. Am J Pathol. 2003 Nov;163(5):1765-70. PMID: #14578177#

 Bastian BC. Understanding the progression of melanocytic neoplasia using genomic analysis: from fields to cancer. Oncogene. 2003 May 19;22(20):3081-6. PMID: #12789284#