Skip Navigation LinksHome > July 2009 - Volume 31 - Issue 5 > An Unusual Squamo-melanocytic Tumor of Uncertain Biologic Be...
American Journal of Dermatopathology:
doi: 10.1097/DAD.0b013e318182c7dc
Extraordinary Case Report

An Unusual Squamo-melanocytic Tumor of Uncertain Biologic Behavior: A Variant of Melanoma?

Pouryazdanparast, Pedram MD*; Yu, Limin MD*; Johnson, Timothy MD†‡§; Fullen, Douglas MD*†

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Abstract

The presence of two intermingled malignant components within the same cutaneous tumor is rare. Herein, we report a case of an exceedingly rare squamo-melanocytic tumor, favored to be a melanoma variant. Although the biologic behavior and prognostic significance of this tumor remain to be established, this unique case reaffirms the potential morphologic diversity of melanoma. We review the literature reporting similar neoplasms and discuss the potential histogenesis of this squamo-melanocytic tumor.

© 2009 Lippincott Williams & Wilkins, Inc.

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