Successful Transcatheter Arterial Radioembolization of Hepatocellular Carcinoma Via Left Internal Mammary Artery: A Case Report

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Abstract
Hepatocellular carcinoma (HCC) is the most common primary liver malignancy. Late-stage presentation, co-morbidities, and limited donor availability enable only a few patients to receive curative therapies. HCC is treated with liver resection and transplantation as the first line of treatment. Patients in advanced stages, on the other hand, are treated with a variety of locoregional treatments. Transarterial embolization (TAE), transarterial chemoembolization (TACE), and transarterial radioembolization (TARE) are different modalities of locoregional therapy for HCC with robust collateral circulation. One of the characteristics of HCC is that it is hypervascular, therefore, parasitic supply is not unusual. The left internal mammary artery (LIMA) is considered to be an uncommon parasitic supply in HCC. While TACE has been extensively reviewed in the literature, herein we report a successful case of TARE via the LIMA which was a safe and practical alternative for a patient with HCC.

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