Journal of Clinical & Experimental OncologyISSN: 2324-9110

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High Extra-Tumoral 99mTc-Macroaggregated Albumin Accumulation in a Fatty Liver in a Candidate for Transarterial Radioembolization Treatment

A patient with non-alcoholic fatty liver disease (NAFLD) and unresectable small-sized (≤3cm) diffuse liver metastases from adenocarcinoma of the rectosigmoid junction was assessed for treatment with transarterial radioembolization (SIRT). The right hepatic arteriogram demonstrated several hypervascular lesions. However, the planar and the SPECT images of the subsequent right hepatic arterial 99mTc-MAA perfusion scintigraphy, revealed significantly heterogeneous distribution of 99mTc-MAA particles and “hot spots”, not corresponding to lesion-specific sites. The no coincidence of the angiographic and the scintigraphic findings could be possibly influenced by hemodynamic changes, due to the presence of significant NAFLD. Because of the high risk-benefit ratio, the patient was considered to be an inappropriate candidate for SIRT.

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