[Spitz Nevus Vs 'spitzoid' Malignant Melanoma. A Diagnostic Dilemma?]
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Abstract
Data from the literature and histopathological findings in six personal cases are used to illustrate criteria that can be applied in differential diagnosis between a Spitz nevus and a spitzoid variant of malignant melanoma. The diagnostic term 'atypical Spitz tumor' is explained; it is used to describe a morphological "grey zone" in which it is not possible to differentiate with adequate certainty between a Spitz nevus and a spitzoid malignant melanoma.
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