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Published in: Surgery Today 11/2020

01-11-2020 | Magnetic Resonance Imaging | Original Article

Efficiency of regional functional liver volume assessment using Gd-EOB-DTPA-enhanced magnetic resonance imaging for hepatocellular carcinoma with portal vein tumor thrombus

Authors: Kenichiro Araki, Norifumi Harimoto, Takahiro Yamanaka, Norihiro Ishii, Mariko Tsukagoshi, Takamichi Igarashi, Akira Watanabe, Norio Kubo, Yoshito Tsushima, Ken Shirabe

Published in: Surgery Today | Issue 11/2020

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Abstract

Purpose

We investigated whether functional future remnant liver volume (fFRLV), assessed using gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid-enhanced magnetic resonance imaging (EOB-MRI), could evaluate regional liver function in hepatocellular carcinoma (HCC) patients with portal vein tumor thrombus (PVTT) and help establish the indication for hepatectomy.

Methods

The subjects of this study were 12 patients with PVTT [PVTT(+) group] and 58 patients without PVTT [PVTT(−) group], from among 191 patients who underwent hepatectomy of more than one segment for HCC. We calculated the liver-to-muscle ratio (LMR) in the remnant liver, using EOB-MRI and fFRLV. Preoperative factors and surgical outcome were compared between the groups. The LMR of the area occluded by PVTT was compared with that of the non-occluded area.

Results

The indocyanine green retention rate at 15 min (ICG-R15) and liver fibrosis indices were increased in the PVTT(+) group, but the surgical outcomes of patients in this group were acceptable, with no liver failure, no mortality, and no differences from those in the PVTT(−) group. The fFRLV in the PVTT(+) group was not significantly different from that in the PVTT(−) group (p = 0.663). The LMR was significantly lower in the occluded area than in the non-occluded area (p = 0.004), indicating decreased liver function.

Conclusion

Assessing fFRLV using EOB-MRI could be useful for evaluating regional liver function and establishing operative indications for HCC with PVTT.
Appendix
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Metadata
Title
Efficiency of regional functional liver volume assessment using Gd-EOB-DTPA-enhanced magnetic resonance imaging for hepatocellular carcinoma with portal vein tumor thrombus
Authors
Kenichiro Araki
Norifumi Harimoto
Takahiro Yamanaka
Norihiro Ishii
Mariko Tsukagoshi
Takamichi Igarashi
Akira Watanabe
Norio Kubo
Yoshito Tsushima
Ken Shirabe
Publication date
01-11-2020
Publisher
Springer Singapore
Published in
Surgery Today / Issue 11/2020
Print ISSN: 0941-1291
Electronic ISSN: 1436-2813
DOI
https://doi.org/10.1007/s00595-020-02062-y

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