The Development of Primary Effusion Lymphoma-Like Lymphoma in a Patient with Preexisting Essential Thrombocythemia

<div>Cytological pericardial effusion findings. (a) Pap staining (×40). Cell block with ((b)–(e)) immunocytochemical findings. (b) CD20. (c) Ki-67 (MIB-1 index 50%). (d) EBER. (e) MUM-1 ((b)–(e) ×40).</div>

Case Reports in Hematology

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Figure 3

Figure 3: The Development of Primary Effusion Lymphoma-Like Lymphoma in a Patient with Preexisting Essential Thrombocythemia 