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KMID : 0032220140260050628
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Annals of Dermatology
2014 Volume.26 No. 5 p.628 ~ p.631
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Epidermotropic Metastatic Melanoma Clinically Resembling Agminated Spitz Nevi
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Kim Hee-Joo
So Byoung-Joon
You Min-Gun
Kim Il-Hwan
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Abstract
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Herein, we report a 36-year-old Asian male patient who presented with grouped multiple erythematous waxy papules and nodules on his right medial thigh. He had undergone amputation of the right second toe because of a stage IIa malignant melanoma, 3 years previously. At the time of surgery for the primary tumor, right inguinal lymph node dissection revealed no nodal involvement. Three years after the diagnosis of the primary tumor, crops of multiple erythematous papules and nodules developed. Initial histopathologic evaluation of the papules showed nests of small epithelioid cells similar to compound nevi. However, cytologic features, including high mitotic figures, lack of maturation, and some hyperchromatic nuclei suggested metastatic melanoma. In addition to the pathologic findings, the tumors were on the right thigh, which was the same side as the primary malignant melanoma. The patient underwent wide excision of the tumor and split-thickness skin grafting. (Ann Dermatol 26(5) 628∼631, 2014)
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KEYWORD
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Epidermotropic metastatic malignant melanoma
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