CD5 & SOX11-Positive B-Cell Lymphoma with Aggressive Features

From the Friday Unknowns

The patient is a 77-year-old man with a recent diagnosis of double hit high-grade B-cell lymphoma (MYC/BCL2 rearrangements). He now presents with FDG avid mass lesion in the left hemiscrotum (3.9 cm, SUV 8.6).

Histologic sections show testicular parenchyma extensively involved by lymphoma.