Primary Cardiac Lymphoma Presenting with Thrombocytopenia, Right Heart Failure, and Cardiogenic Shock

Figure 3

Endomyocardial biopsy. Hematoxylin and eosin staining ((a) x10 magnification and (b) high power view) demonstrates atypical large lymphocytes confirmed as B-cells on Pax5 immunohistochemistry (c). Ki67 stain (d) demonstrates a high proliferation rate.

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