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Updated: Aug 11, 2026

Identifying Dysregulated Genes Induced by Kaposi's Sarcoma-associated Herpesvirus KSHV
Published on: September 14, 2010
Kaposi sarcoma: What to do with a negative human herpesvirus 8 immunohistochemical stain?
Anna C Buhle1, Mariana A Phillips2, Yasmine M Hijazi3
1Virginia Tech Carilion School of Medicine, Roanoke, Virginia, USA.
Abstract:
Kaposi sarcoma (KS) is an intermediate vascular sarcoma that can cause significant morbidity and mortality in patients if left untreated. It is associated with human herpesvirus 8 (HHV-8) infection. Definitive diagnosis is supported by classic histopathology including slit-like vascular spaces, spindle cells, lymphocyte infiltration, and extravasated red blood cells on H&E stain and positive immunohistochemical (IHC) staining for HHV-8. We present a challenge we encountered in detecting HHV-8 by IHC in a mucosal lesion demonstrating classic histopathology for KS.
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