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Dermatology Practical & Conceptual

The so-called dysplastic nevus is not dysplastic at all

…at all, namely, neither an intermediate step between nevus and melanoma nor a carcinoma in situ equivalent. There is no need to excise it surgically unless other than for cosmetic reasons or suspicion of melanoma. However, such a benign lesion has ce…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology


…perplasia which can be difficult to distinguish from malignant melanoma without a history.” Holzle E, Kind P, Plewig G, et al. Pseudomelanoma. In: Malignant melanoma. Stuttgart, Germany: Schattauer, 1993:84. “Large, bizarre cells with a…

Differential Diagnosis in Dermatopathology


…on palms, soles and at sites of irritation, were precursors of melanomas. In fact, junctional nevi at all those sites now are acknowledged to be completely benign. It is exceptional for melanoma to develop in association with a pre-existing junctiona…

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