case_images: PMC8452419_01
case_images: Clinical course. HU, hydroxyurea; CyA, cyclosporine; BU, busulfan; Hb, hemoglobin; WBC, white blood cell; PLT, platelets.
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case_images: PMC8452419_01_CRIHEM2021-5237986.001.jpg
case_images: fig1
case_images: Echocardiography showed a slight decrease in pericardial effusion in January 2019. (Figure 1).
case_images: Imaging revealed heart enlargement, massive pericardial fluid, and a small amount of pleural fluid retention.
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case_images: PMC8452419_01_CRIHEM2021-5237986.002.jpg
case_images: fig2
case_images: He was admitted to our hospital in April, 2020, because of severe dyspnea. He was diagnosed with cardiac tamponade caused by a large pericardial effusion (Figure 2).
case_images: Cytological pericardial effusion findings. (a) Pap staining (x40). Cell block with ((b)-(e)) immunocytochemical findings. (b) CD20. (c) Ki-67 (MIB-1 index 50%). (d) EBER. (e) MUM-1 ((b)-(e) x40).
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case_images: PMC8452419_01_CRIHEM2021-5237986.003.jpg
case_images: fig3
case_images: IV pericardial fluid cytodiagnosis. Immunohistochemical staining of the cell block was positive for CD20, EBER, and MUM-1, and 50% of MIB-1 (Figure 3); HHV-8 DNA was negative, and we diagnosed the patient with PEL-LL.
case_images: Image of plain computed tomography. Massive ascites and increased liver density.
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case_images: PMC8452419_01_CRIHEM2021-5237986.004.jpg
case_images: fig4
case_images: However, massive ascites was observed on October 31, 2020 (Figure 4).