Histological variants of cutaneous Kaposi sarcoma

doi:10.1186/1746-1596-3-31

Diagnostic Pathology

Volume 3

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Review

Histological variants of cutaneous Kaposi sarcoma

Wayne Grayson¹ and Liron Pantanowitz²

¹Histopathology Department, Ampath National Laboratory Support Services, Johannesburg, South Africa

²Department of Pathology, Baystate Medical Center, Tufts University School of Medicine, Springfield, Massachusetts, USA

author email corresponding author email

Diagnostic Pathology 2008, 3:31doi:10.1186/1746-1596-3-31


Published:	25 July 2008

Abstract

This review provides a comprehensive overview of the broad clinicopathologic spectrum of cutaneous Kaposi sarcoma (KS) lesions. Variants discussed include: usual KS lesions associated with disease progression (i.e. patch, plaque and nodular stage); morphologic subtypes alluded to in the older literature such as anaplastic and telangiectatic KS, as well as several lymphedematous variants; and numerous recently described variants including hyperkeratotic, keloidal, micronodular, pyogenic granuloma-like, ecchymotic, and intravascular KS. Involuting lesions as a result of treatment related regression are also presented.