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Fig. 1 | Diagnostic Pathology

Fig. 1

From: Large cell morphology, CMYC+ tumour cells, and PD-1+ tumour cell/intense PD-L1+ cell reactions are important prognostic factors in nodal peripheral T-cell lymphomas with T follicular helper markers

Fig. 1

Histological findings and immunohistology in patients with large and small cell PTCL-TFH. Many atypical large lymphocytes are distributed throughout (a, b), and small lymphocytes and histiocytes are intermingled in the background (a). c Diffuse infiltrate of small lymphocytes and nests of epithelioid histiocytes, indicating Lennert lymphoma. d Scattered large atypical lymphocytes are positive for CD30, and (e) only some CD30+ cells can be seen. f Diffuse infiltration of PD-1+ small lymphocytes in Lennert lymphoma. Magnification, × 400

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Diagnostic Pathology

ISSN: 1746-1596

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