Abstract
Introduction Hepatocellular carcinoma (HCC) is the 5th most common cancer worldwide, it often presents in advanced stages with limited treatment options, reflected in its poor prognosis. Transarterial chemoembolisation (TACE) is an established palliative treatment for patients with advanced HCC, but outcomes vary. In this retrospective observation study, we assessed radiological response and survival outcome following TACE in a single large centre. Methods Data was collected between October 2013 and December 2017 for all TACE procedures at Aberdeen Royal infirmary by access to MDT records and radiological data. Basic demographics, aetiology and severity of underlying liver disease, lesion characteristics (number and size) and Barcelona staging (BCLC) were all recorded. Scans were reviewed by two consultant radiologists and modified RECIST criteria used to assess the radiological response (complete response: disappearance of all target lesions; partial response: minimum 30% decrease in sum of the longest diameter of target lesions). Results 31 patients underwent TACE procedure (1 excluded due to loss of follow up). Mean age 68.5±7.33, 76.6% were male and 29/31 White British. All procedures used doxorubicin loaded beads. The main aetiologies were non-alcoholic fatty liver disease 11 (36%), Alcohol-related liver disease 10 (33.3%), hepatitis C virus 5 (16.6%). 86.7% had underlying liver cirrhosis. BCLC staging of patients was 12 (40%) A, 17 (56.6%) B, 1 (3.4%) C. 8 patients (26.6%) had TACE as a bridge for transplant or tumour resection. A CT scan 6 weeks post-procedure showed 7 patients (23.3%) complete response while 19 patients (63.3%) had partial response, only 4 patients (13%) had no response. Of the 11 patients with a single tumour lesion Conclusions TACE helps to improve the survival and downstage HCC to allow curative treatment options. Only a small number had no radiological response to TACE. Those with initial BCLC B appeared to have a better survival, likely due to smaller numbers in stage A group. Those with a single tumour lesion less than 5 cm showed the best radiological response rate and survival.
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