ePlasty: Vol. 16
CASE REPORT
Case Report of a Large Pigmented Epithelioid Melanocytoma With Suspected Lymph Node Metastases
Rie Akita, MD, Yoshihiro Sowa, MD, PhD, Daiki Morita, MD, and Toshiaki Numajiri, MD, PhD

Departments of Plastic and Reconstructive Surgery, Graduate School of Medical Sciences, Kyoto Prefectural University of Medicine, Kyoto, Japan


Correspondence: sowawan@kpu-m.ac.jp
Keywords: pigmented epithelioid melanocytoma, lymph node metastases, melanocytic tumor, melanoma, epithelioid blue nevus

Objective: Pigmented epithelioid melanocytoma was proposed by Zembowicz et al in 2004 including lesions previously diagnosed as human animal-type melanoma and epithelioid blue nevus. Tumors are composed of epithelioid and spindled melanocytes with heavy pigmentation. Methods: We report a case of pigmented epithelioid melanocytoma in 47-year-old Asian woman. The tumor sized 10 × 6 × 2 cm on the anterior aspect of right lower leg. On resecting surgery, we also found black pigmented lymph nodes in the groin area on harvesting skin graft. Results: Histological examination showed a typical figure for pigmented epithelioid melanocytoma. In groin area, melanocytes were observed only in the lymph node capsule. Thus, we conclude that melanocytes in the capsule of this case could not be associated with m .......