177 Lu-Microspheres Selective Intra-arterial Radionuclide Therapy : A Facile and Biocompatible Permanent Micro-Seed Implants for Unresectable Hepatocellular Carcinoma.
Clinical nuclear medicine(2024)
Abstract
ABSTRACT:Hepatocellular carcinoma (HCC) is an aggressive malignancy with a poor prognosis. Surgical resection is limited. Selective intra-arterial radionuclide therapy (SIRT) emerged as a potential cure for intermediate HCC with portal vein thrombosis. We report a pilot study of a 48-year-old man with recurrent HCC who underwent 177 Lu-microsphere SIRT (2.2 GBq) in segment III. Posttherapy SPECT/CT images (24 hours to 3 months) demonstrated excellent localization and prolonged retention within the tumor. Pre- and 3-month post-SIRT CECT showed a notable decrease in arterial enhancement and tumor size. Time-activity curve of the standard and the lesion demonstrated similar decay pattern indicating that 177 Lu-microspheres act as permanent implant.
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