System: Skin: Melanocytic: Neoplastic: Pigmented Epithelioid Melanocytoma
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unique low-grade variant of melanoma with frequent lymph node metastases but indolent clinical course
Zembowicz A, Carney JA, Mihm MC. Pigmented epithelioid melanocytoma: a low-grade melanocytic tumor with metastatic potential indistinguishable from animal-type melanoma and epithelioid blue nevus. Am J Surg Pathol. 2004 Jan;28(1):31-40.