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Fig. 2 | Diagnostic Pathology

Fig. 2

From: Primary extranodal soft tissue Lennert lymphoma (lymphoepithelioid variant of peripheral T-cell lymphoma, unspecified): a case report and review of the literature

Fig. 2

Microscopic findings (Haematoxylin and eosin [HE] staining). A The demarcation between the lesion and surrounding tissues was unclear and lacked a capsule. B The lesion appeared multinodular in shape. Nodules were surrounded by proliferative fibrous connective tissue. C The tumor invaded the surrounding striated muscle and adipose tissue. D, E The tumor showing a diffuse proliferation of small lymphocytes and numerous large clusters of epithelioid histiocytes. F At high magnification, the proliferation of small lymphocytes displayed slight nuclear irregularities. Plasma cells, eosinophils, and Hodgkin-Reed-Sternberg (HRS) cells were not identified. Rare multinucleated histiocytes were noted, and well-formed granulomas were not present. Rare mitotic figures and no necrosis were observed. (HE staining, A 7.3×; B 20×; C 100×; D 200×; E 200×; F 400×)

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Diagnostic Pathology

ISSN: 1746-1596

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