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. 2013 Apr;24(4):509-17.
doi: 10.1016/j.jvir.2012.12.013. Epub 2013 Feb 18.

Hepatocellular carcinoma responding to superselective transarterial chemoembolization: an issue of nodule dimension?

Rita Golfieri  1 , Matteo Renzulli, Cristina Mosconi, Ludovica Forlani, Emanuela Giampalma, Fabio Piscaglia, Franco Trevisani, Luigi Bolondi; Bologna Liver Oncology Group (BLOG)
Affiliations

Hepatocellular carcinoma responding to superselective transarterial chemoembolization: an issue of nodule dimension?

Rita Golfieri et al. J Vasc Interv Radiol. 2013 Apr.

Abstract

Purpose: To evaluate the per-nodule efficacy of superselective transarterial chemoembolization of hepatocellular carcinomas (HCCs).

Materials and methods: From 2006-2009, 271 cirrhotic patients with 635 nodules underwent a first superselective transarterial chemoembolization, repeated "on demand" after local recurrences (LR) or partial responses (PR). Complete response (CR), time to nodule progression (TTnP), and local recurrence rate (LRR), according to three size classes (≤ 2 cm, 2.1-5 cm, and>5 cm) were evaluated.

Results: After the first superselective transarterial chemoembolization, the CR was 64%, sustained over time in 77%, higher in small (68%) and intermediate-size (64%) nodules than in large nodules (25%; P<.001). The LRR was 23%:20% in small, 27% in intermediate, and 67% in large HCCs (P<.05). The median TTnP of large HCCs was 4 months versus 7-9 months for small and intermediate HCCs. The second superselective transarterial chemoembolization achieved a higher CR (63% in LR, 52% in PR) than the third superselective transarterial chemoembolization (32%). Median TTnP after the second superselective transarterial chemoembolization for LR and PR (8 months and 6 months) was longer than after the third superselective transarterial chemoembolization (3.5 months). Nodules ≤ 5 cm had a CR after the first superselective transarterial chemoembolization (66%) and the second superselective transarterial chemoembolization for LR (64%) or PR (55%) higher than after the third superselective transarterial chemoembolization (40%); nodules>5 cm had a CR of 25% after the first superselective transarterial chemoembolization, LR of 50% and PR of 25%, and after the second and third superselective transarterial chemoembolizations, PR of 0%.

Conclusions: Effectiveness of superselective transarterial chemoembolization has a clear cutoff above and below 5-cm nodules, with better results in smaller nodules. In HCCs ≤ 5 cm, the efficacy of the first and second superselective transarterial chemoembolizations performed for LR was higher than the second superselective transarterial chemoembolization for PR and the third superselective transarterial chemoembolization. For HCCs>5 cm, retreatment of PR is of little value, and the third cycle is ineffective.

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