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Fig. 4 | Diagnostic Pathology

Fig. 4

From: Mediastinal follicular dendritic cell sarcoma: a rare, potentially under-recognized, and often misdiagnosed disease

Fig. 4

Case 3: HE staining of core needle biopsy specimen shows 2 different histopathological morphologies: one is that in the inflammatory background, there are scattered large round or ovoid cells resembling lacunar Reed-Sternberg cells (a, b, arrows, inset: low-power view of needle biopsy), another presents ovoid and spindle tumor cells with bundles and woven patterns (d, e), both of which are positive for CD23 (c, f, inset: low-power view of immunohistochemical staining of needle biopsy)

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