PMC4681999_01
Left pleural effusion and calcified pleural plaques visible on chest X-ray (A) and computed tomographic (B) images.
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Chest X-ray showed left pleural effusion (Fig. 1A), and computed tomographic (CT) images revealed left pleural effusion and calcified pleural plaques without pleural tumor (Fig. 1B).
Cytological analysis of pleural effusion revealed large atypical lymphocytes with distinct nuclear body and high nucleus-to-cytoplasm ratio (x40).
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Four years after the first admission, analysis of pleural effusion from the fourth thoracentesis revealed large atypical lymphocytes with distinct nuclear bodies and a high nucleus-to-cytoplasm ratio (Fig. 2).
Immunohistochemical analyses revealed that the cells were CD20+ (x10).
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Immunohistochemical analyses revealed that these cells were CD20+ (Fig. 3), CD3-, CD5-, and CD10-.