Rare Variant of Agminated Spitz Nevi on a Hypopigmented Background and Segmental Distribution: Case Report and Review of Literature

Abstract: Spitz nevus is a type of melanocytic nevus that can arise as a solitary lesion or as multiple lesions either disseminated or agminated (grouped) in different skin backgrounds (eg, grossly normal, hyperpigmented, or hypopigmented). Agminated Spitz nevi have been rarely reported and are even rarer in a background of hypopigmented skin. We present the case of a 2-month-old girl with multiple, grouped, dome-shaped, red papules arising on a hypopigmented patch with a segmental distribution. Biopsy of 2 lesions showed findings characteristic of Spitz nevus, confirming the diagnosis. We also review 4 other cases of agminated Spitz nevi arising on hypopigmented skin reported in the literature.

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