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Figure 4 | EJNMMI Research

Figure 4

From: Post-radioembolization yttrium-90 PET/CT - part 1: diagnostic reporting

Figure 4

Patient 12. (a, b) Portal vein tumor thrombosis (arrow) in a multifocal HCC seen on portal venous phase of a triphasic CT liver. (c)90Y PET/CT demonstrates absent activity within the portal vein tumor thrombus. (d) The diffuse nature of 90Y bremsstrahlung SPECT/CT is unable to resolve the absence of activity within the portal vein tumor thrombus. (e, f) Four months post-radioembolization, a follow-up triphasic CT liver in the portal venous phase shows significant progression of portal vein tumor thrombosis, validating the 90Y PET/CT findings.

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