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World Journal of Surgery
Published in: World Journal of Surgery 8/2015

01-08-2015 | Original Scientific Report

Hypertrophy of the Left Liver in Patients with Large Tumors in the Right Liver

Authors: Yoshimi Nakayama, Yoichi Ishizaki, Jiro Yoshimoto, Hiroyuki Sugo, Hiroshi Imamura, Seiji Kawasaki

Published in: World Journal of Surgery | Issue 8/2015

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Abstract

Background

It has been speculated that, when right-sided major hepatectomy (RSMH) is planned for patients with large tumors in the right liver, it may not lead to a marked decrease in normally functional hepatic mass.

Methods

We collected data for patients who had undergone RSMH for tumors more than 8 cm in diameter (n = 50) and compared them with control patients who had undergone RSMH for tumors less than 5 cm in diameter (n = 21).

Results

The ratio of the remnant left liver volume to the nontumorous liver volume (left liver ratio) in the patients with large tumors was significantly greater than that in the control group (50.0 ± 12.8 % vs. 40.2 ± 8.3 %, p = 0.002). Left liver ratio was significantly correlated with tumor volume (p < 0.001). Preoperative portal vein embolization was performed in only four of the 50 patients with large tumors. None of the patients with large tumors developed postoperative liver failure.

Conclusions

Left liver volume in patients with large tumors in the right liver was larger than usual, perhaps reducing the risk of postoperative liver insufficiency after RSMH.
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Metadata
Title
Hypertrophy of the Left Liver in Patients with Large Tumors in the Right Liver
Authors
Yoshimi Nakayama
Yoichi Ishizaki
Jiro Yoshimoto
Hiroyuki Sugo
Hiroshi Imamura
Seiji Kawasaki
Publication date
01-08-2015
Publisher
Springer International Publishing
Published in
World Journal of Surgery / Issue 8/2015
Print ISSN: 0364-2313
Electronic ISSN: 1432-2323
DOI
https://doi.org/10.1007/s00268-015-3033-5

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