PMC4943741_01
CT scan of the abdomen and pelvis with abdominal ascites.
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F1
A CT scan of the abdomen and pelvis was significant for moderate-volume abdominal ascites prominently seen in the perihepatic region extending into the right paracolic gutter without any evidence of bowel obstruction (fig. 1).
HHV-8 immunostain showing positive nuclear staining. HHV-8 is required for an unequivocal diagnosis of PEL.
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F2
Polymerase chain reaction showed clonal B cells, and HHV-8 immunostain revealed positive nuclear staining (fig. 2), which confirmed the diagnosis of PEL.
High-power view of the cell block highlighting background single-cell necrosis (arrows) admixed with the malignant lymphocytes. H&E. x40.
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F3
The cell block preparation revealed multiple malignant lymphocytes (fig. 3).