References:

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.

Bruce Howard, Bruce Ragsdale, and Kurt Lundquist. Pigmented epithelioid melanocytoma: Two case reports. Dermatology Online Journal 11 (2): 1