Case 40: Yttrium 90 Radioembolization

Diagnostic Category:

Clinical Presentation:

73 year old woman with large colorectal cancer.

CT: Colorectal metastases

Imaging Findings:

Large colorectal cancer metastases in the left lobe, demonstrating effects of successful radioembolization with Yttrium 90 microspheres: mild decrease in size, subtle intralesional hemorrhage with punctate calcifications prior to contrast administration, and devascularization (masses are more hypovascular than before, compare to last image).

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