PMC6369120_01
Chest X ray: right pleural effusion.
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Chest radiography showed right pleural effusion (Fig. 1).
Histopathological and immuno-histochemical examinations: a: a diffuse infiltrate of small lymphoid cells (Hematoxylin & Eosin x100) b: monotonous small lymphoid cells with incisored nuclei (Hematoxylin & Eosin x400) c: the tumour cells stain for CD20.
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Histopathological and immuno-histochemical examinations revealed monotonous infiltration of B-cells expressing CD-20 antigen (Fig. 2).
Chest CT scan: a: axial CT scan image b: coronal CT scan image Pleural thickening without pleural effusion, or significant mediastinal lymph node.
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However, 3 years later (on 2017), pleural thickening without pleural effusion, or significant mediastinal lymph node were observed on contrast-enhanced CT of the thorax (Fig. 3).