PMC9482497_01
Intraglomerular lymphoma cells. (a) PAS large atypical cells obstructing the glomerular capillary lumen (magnification 600x). (b) Intracapillary glomerular cells positive for CD45 (magnification 400x). (c) Intracapillary glomerular cells negative for CD20 (magnification 400x). (d) Intracapillary glomerular cells positive for CD79A (magnification 400x). (e) Intracapillary glomerular cells positive for MUM-1 (magnification 400x). (f) Intracapillary glomerular cells highly positive for KI-67 (magnification 400x).
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fig1
Several glomeruli appeared enlarged and hypercellular (Figure 1).
Diffuse symmetric fluorodeoxyglucose (FDG) uptake within the bilateral renal parenchyma on positron emission tomography-computed tomography (PET-CT) scan.
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fig2
Positron emission tomography-computed tomography (PET-CT) scan revealed increased fluorodeoxyglucose (FDG) uptake in the kidneys bilaterally (Figure 2), left C2 and right C4, C5 concerning the perineural invasion of nerve roots.