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Ann Nucl Med. 2011 Jun;25(5):365-9. doi: 10.1007/s12149-010-0464-9. Epub 2011 Jan 14.

Hepatic falciform ligament Tc-99m-macroaggregated albumin activity on SPECT/CT prior to Yttrium-90 microsphere radioembolization: prophylactic measures to prevent non-target microsphere localization via patent hepatic falciform arteries.

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1
Department of Nuclear Medicine and PET, Singapore General Hospital, Outram Road, Singapore, 169608, Singapore. kao.yung.hsiang@singhealth.com.sg

Abstract

Yttrium-90 (Y-90) selective internal radiation therapy (SIRT) is increasingly used to treat inoperable hepatocellular carcinoma. We describe two patients where hepatic falciform ligament Technetium-99m-macroaggregated albumin (Tc-99m-MAA) activity was identified on single photon emission computed tomography with integrated low-dose CT (SPECT/CT) scan during pre-therapy planning, and the steps taken to prevent radiation dermatitis. The first patient underwent prophylactic coil embolization of the patent hepatic falciform artery; the second patient underwent super-selective infusion of Y-90 resin microspheres to avoid the patent hepatic falciform artery. The incidence of falciform ligament Tc-99m-MAA activity detected on SPECT/CT at our institution is 10%. Tc-99m-MAA SPECT/CT scan provides valuable diagnostic information for treatment planning prior to Y-90 SIRT.

PMID:
21234723
DOI:
10.1007/s12149-010-0464-9
[Indexed for MEDLINE]
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