label: Spitz Melanocytoma
label_lc: spitz melanocytoma
description: "A junctional or compound melanocytic neoplasm not fulfilling the histopathologic criteria of melanoma but with one of the following features: asymmetry, predominance of single melanocytes over nests in lesions 4 mm or larger, ulceration, large dermal sheets of melanocytes, lack of maturation in dermis, deep dermal mitotic figures, extensive involvement of subcutis, and nuclear pleomorphism. (Mod Pathol 2006;19: S21)"