Kaposi's sarcoma laboratory findings

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Haytham Allaham, M.D. [2]

Kaposi's sarcoma Microchapters
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Overview

Laboratory findings consistent with the diagnosis of Kaposi's sarcoma include decreased hemoglobin level, positive HIV tests, and positive HHV-8 antigen on immunohistochemistry.

Laboratory Findings

Complete Blood Count

• Decreased hemoglobin level

Electrophoresis

• Detect antibodies against KSHV

ELISA

• Screens for HIV infection among Kaposi's sarcoma patients

Western Blot

• Confirms HIV infection among Kaposi's sarcoma patients

Immunohistochemistry

• Kaposi's sarcoma cells are typically CD34, HHV-8, and D2-40 positive