PMC7113408_01
Cell block analysis showed negative staining of CD3 and positive staining of CD20 in large lymphocytes that were identified using hematoxylin-eosin stain.
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Cell block analysis showed negative staining for CD3 and positive staining for CD20 in large atypical lymphoid cells identified using hematoxylin-eosin stain (Fig. 3), suggesting the existence of large B-cell lymphoma.
Immunohistochemical analysis using biopsy fragment showed negative staining of CD3 and positive staining of CD5 and C20.
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In addition, IHC analysis also showed CD79a(+), CD10(-), bcl-2(+), and cyclin D1(-) (Fig. 4).