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Primary cutaneous perivascular epithelioid cell tumors: two cases and a review of the literature


Report _Case Presentation _Photo Vignette _Letter Authors declare that the contents of this article are their own original unpublished findings. Title: Primary cutaneous perivascular epithelioid cell tumors: two cases and a review of the literature Authors: Jennifer Wong1 DO, Jason Mammino2 DO, Jennifer Seyffert3 DO, Kristen Schmits4 MD, Etan Marks4 MD, Daniel Rivlin3 MD Affiliations: 1Department of Dermatology, LECOM- Larkin Community Hospital, Miami, Florida, USA, 2Department of Dermatology, KCUMB - Advanced Dermatology and Cosmetic Surgery, Orlando, Florida, USA, 3Department of Dermatology, LECOM- Skin and Cancer Associates, Miami Beach, Florida, USA, 4Department of Dermatopathology Advanced Dermatology and Cosmetic Surgery Pathology Laboratory, Delray Beach, Florida, USA Corresponding Author: Jennifer Seyffert DO, 4308 Alton Road, Suite 510, Miami Beach, FL 33140, Tel: 305-674-8865, Fax: 305-674-1459, Email: Abstract: Perivascular epithelioid cell tumors, also known as PEComas, are mesenchymal neoplasms which uncommonly originate within the skin, with only 23 cases documented within the literature. These rare neoplasms classically display epithelioid cells composed of granular or clear cytoplasm arranged in sheets, nests, or cords. Their immunoreactivity for melanocytic and smooth muscle markers makes these tumors distinct and unique.[1] We herein present two cases of primary cutaneous PEComas that clinically mimic other common cutaneous neoplasms and illustrate the necessity for clinical-pathologic correlation. A literature review is also presented to compare the different clinical and histological presentations of cutaneous PEComas.

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