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Varicella zoster virus in the temporal artery of a patient with giant cell arteritis

Published:October 14, 2013DOI:https://doi.org/10.1016/j.jns.2013.09.034

      Abstract

      We recently detected varicella zoster virus (VZV) in the temporal arteries (TA) of 5/24 patients with clinically suspect giant cell arteritis (GCA) whose TAs were GCA-negative pathologically; in those GCA-negative, VZV + TAs, virus antigen predominated in the arterial adventitia, but without medial necrosis and multinucleated giant cells [1]. During our continuing search for VZV antigen in GCA-negative TAs, in the TA of one subject, we found abundant VZV antigen, as well as VZV DNA, in multiple regions (skip areas) of the TA spanning 350 μm, as well as in skeletal muscle adjacent to the infected TA. Additional pathological analysis of sections adjacent to those containing viral antigen revealed inflammation involving the arterial media and abundant multinucleated giant cells characteristic of GCA. Detection of VZV in areas of the TA with pathological features of GCA warrants further correlative pathological-virological analysis of VZV in GCA.

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