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- W2247191701 abstract "4541 Background/Aim: Although transcatheter arterial chemoembolization (TACE) has been widely used for the treatment of unresectable hepatocellular carcinoma (HCC), the optimal indication of the TACE has not been fully elucidated. Methods: The treatment outcomes after TACE were analyzed retrospectively to determine predictive factors of anti-cancer effect on HCC. The patient (pts) selection criteria were: 1) admission between 1992 and 2005, 2) diagnosis of fresh HCC, 3) no extrahepatic metastasis and 4) primary treatment with TACE. TACE was performed by selectively introducing a catheter into the hepatic artery and injecting gelatin sponge particles following an emulsion consisting of 2–5 ml of iodized oil (Lipiodol) and 20–50 mg doxorubicin hydrochloride. Lipiodol accumulation in tumors was regarded as an indication of necrosis. We defined complete response (CR) as disappearance or 100% necrosis of all tumors, and partial response (PR) as more than 50% reduction and/or more than 50% necrosis. Results: There were 270 pts who fulfilled the above criteria. According to Japan Integrated Staging, the number of T1, T2, T3 and T4 was 10, 59, 171 and 30, respectively. There were 52 CRs, 113 PRs, 77 who remained SD and 28 who showed PD/NE. The median survival months of CR, PR, SD and PD/NE were 50, 30, 15 and 5, respectively, and there was a significant differences between them. The logistic regression analysis revealed tumor multiplicity and vascular invasion (VI) were significantly associated with the objective response (CR or PR). The response probability of patients with solitary tumor without VI was 85%, that with multiple tumors without VI was 63%, that with solitary tumor with VI was 33% and that with multiple tumors with VI was 16%. The small tumor (<5 cm) was another favorable factor which was significantly associated with CR. Among 231 patients without VI, the CR probability of patients with a solitary tumor <5 cm or >5 cm was 46% or 40%, respectively; although that of those with multiple tumors <5cm or >5cm was 21% or 5%, respectively. Conclusion: TACE is recommended for HCC patients without VI, and is optimally indicated for those with a solitary tumor or those with multiple tumor <5 cm among them. No significant financial relationships to disclose." @default.
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- W2247191701 date "2007-06-20" @default.
- W2247191701 modified "2023-10-16" @default.
- W2247191701 title "Predictive factors of transcatheter arterial chemoembolization for hepatocellular carcinoma" @default.
- W2247191701 doi "https://doi.org/10.1200/jco.2007.25.18_suppl.4541" @default.
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