International Poster Session8 (JDDW)
October 28, 15:12–16:00, Room 15 (Marine Messe Fukuoka Arena Digital Poster Session)
IP-38_S

The usefulness of total tumor volume as a prognostic factor with colorectal cancer liver metastases

Yuhi Shimura1
Co-authors: Shohei Komatsu1, Masahiro Kido1, Kaori Kuramitsu1, Hidetoshi Gon1, Kenji Fukushima1, Takeshi Urade1, Shinichi So1, Takuya Mizumoto1, Yoshihide Nanno1, Daisuke Tsugawa1, Tadahiro Goto1, Sadaki Asari1, Hiroaki Yanagimoto1, Hirochika Toyama1, Tetsuo Ajiki1, Takumi Fukumoto1
1
the Department of surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine
Aim: We reported the total tumor volume (TTV) of 100 ml was a significant cut off value for predicting overall survival (OS) of colorectal cancer liver metastases (CRLM) regarding hepatic resection, though, its usefulness for chemotherapy remains unclear. The present study evaluated the usefulness of TTV for chemotherapy.
Methods: A retrospective cohort study of patients who underwent hepatic resection or chemotherapy for CRLM between 2008 and 2019 at our university were the subjects. The OS according to TTV for both treatments were evaluated.
Results: The OS of hepatic resection with TTV ≥ 100 ml was significantly worse than that of TTV < 100 ml, whereas significant difference was not observed for chemotherapy according to TTV. Regarding OS of patients with TTV ≥ 100 ml, there was no significant difference between hepatic resection and chemotherapy (p = 0.721).
Conclusion: TTV can be a predictive factor of OS for hepatic resection. Significant difference in OS was not found in TTV ≥ 100 ml, suggesting to be an indicator of chemotherapeutic intervention preceding hepatic resection for CRLM.
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