Malignant melanoma can be a difficult lesion to differentiate clinically. However, when it spreads to regional lymph nodes, there is usually a characteristic pigmentation of the node. We describe a case of an incidental finding of a pigmented lymph node while operating on an inguinal lymph node, which raised the possibility of there being a metastatic melanoma of unknown origin. Histologically, the observed pigmentation was due to the migration of a decorative tattoo pigment instead of malignant cells.
European Journal of Plastic Surgery – Springer Journals
Published: Dec 1, 2005
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