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Fig. 2 | BMC Cancer

Fig. 2

From: 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 options

Fig. 2

Thyroid gland involvement. a and b Biopsy of thyroid gland revealed large aggregates of intravascular located middle-sized highly pleomorphic cells on HE stained slides (× 100 and × 200). The implementation of CD34 immunohistochemistry (c) ensured intravascular localization of these cells, characterized by positivity for CD3 (d) and Perforin (e). Further Ki67 staining showed high proliferative activity (f)

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