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“In summary, melanocytic nevi with dysplasia have five distinctive histologic features: (1) persistent lentiginous melanocytic hyperplasia; (2) atypical melanocytic hyperplasia (melanocytic nuclear atypia); (3) lamellar fibroplasias; (4) concentric eosinophilic fibroplasias; and (5) sparse, patchy lymphocytic infiltrates. This constellation of histologic findings, especially when present in two or more lesions from a given person is diagnostic […]