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Related Experiment Video

Updated: Dec 20, 2025

Complete Laparoscopic Radical Resection of Perihilar Cholangiocarcinoma Type IIIb
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Conversion surgery for initially unresectable biliary malignancies: a multicenter retrospective cohort study.

Takehiro Noji1, Minoru Nagayama2, Koji Imai3

  • 1Gastroenterological Surgery II, Hokkaido University Faculty of Medicine, Kita 15 Nishi 7, Kita-ku, Sapporo, Hokkaido, 060-8638, Japan. drnoji@med.hokudai.ac.jp.

Surgery Today
|May 30, 2020
PubMed
Summary

Conversion surgery for unresectable biliary malignancies may offer long-term survival benefits for select patients. This approach, combined with chemotherapy, showed improved survival rates compared to chemotherapy alone.

Keywords:
Biliary malignancyConversion surgeryInitially unresectable tumor

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Area of Science:

  • Hepatobiliary Surgery
  • Surgical Oncology
  • Gastroenterology

Background:

  • Conversion surgery for biliary malignancy is understudied.
  • Its role in extending survival for unresectable cases is unclear.

Purpose of the Study:

  • To evaluate surgical outcomes of conversion surgery for unresectable biliary malignancy.
  • To analyze long-term survival in patients undergoing this treatment.

Main Methods:

  • Multicenter retrospective cohort study.
  • Clinical data collected for patients undergoing conversion surgery for biliary malignancy.
  • Preoperative chemotherapy/chemoradiation and surgical procedures based on institutional criteria and tumor location.

Main Results:

  • 24 patients met inclusion criteria; 16 experienced morbidity, 1 died post-surgery.
  • 5-year survival post-initial therapy was 43.2% (median 57.4 months); post-surgery, it was 38.2% (median 34.3 months).
  • Patients receiving both chemotherapy and surgery had significantly better 5-year survival than those receiving chemotherapy alone (p<0.001).

Conclusions:

  • Conversion surgery may be a feasible option for selected patients with initially unresectable biliary malignancies.
  • This approach has the potential to achieve long-term survival outcomes.