PMC9426967_01
Histopathology of a random biopsy specimen showing large atypical B lymphocytes in the lumen of the small blood vessels (haematoxylin and eosin stain, x200)
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PMC9426967_01_3497_Fig1.jpg
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B lymphocytes) (Figs. 1 and 2).
Histopathology of a random biopsy specimen showing positive CD20 staining of the atypical B lymphocytes in the lumen of the small blood vessels (CD20 stain, x200)
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PMC9426967_01_3497_Fig2.jpg
f2-3497-1-29754-1-10-20220725
B lymphocytes) (Figs. 1 and 2).