PMC8387585_01
Contrasted brain MRI revealed enhanced masses in the occipital and parietal lobes (arrow).
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T1W sequence, a hyperintense signal on FLAIR, and no abnormal diffusion restriction on DWI images (Figure 1). They also revealed rim enhancement following gadolinium contrast injection.
Immunohistochemistry results: (A) CD79a (+); (B) CD138 (+); (C) CD3 (-); (D) GFAP (-).
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The immunohistochemical (IMH) test showed tumor cells are positive for CD79a, CD138, CD38, and MUM-1, but negative for CD3 and CD20 (Figure 2).