Fig. 1From: Chronic active Epstein-Barr virus infection of T-cell type, systemic form in an African migrant: case report and review of the literature on diagnostics standards and therapeutic optionsDetection of Chronic Active Epstein-Barr-Virus infection associated T-cell-lymphoproliferative disease. a PET-CT showed suspect glucose uptake in the thyroid (➔), liver (⇒), as well as in the iliac crest (*). b Targeted bone marrow biopsy revealed aggregates of intravascular pleomorphic cells (HE, × 200). Immunohistochemistry confirmed positivity for CD3 (c) and Perforin (d). Furthermore EBER-CISH demonstrated active EBV infection within these T-cells (e). f Subsequently T-cell receptor clonality analysis resulted a polyclonal T-cell population (vγ1–8, vγ10)Back to article page