Proliferative activity, chromosomal aberrations, and tumor-specific mutations in the differential diagnosis between blue nevi and melanoma.

Abstract excerpt

Blue nevi are a clinically and pathologically heterogeneous group of benign pigmented dermal melanocytic tumors that may exhibit histologic overlap with malignant melanoma. This study evaluates the role of immunohistochemical and molecular analyses in the classification and differential diagnosis between blue nevi and melanoma. Twenty-three dermal melanocytic tumors, initially diagnosed as benign or ambiguous,...

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