Abstract
Background
Although bile duct resection (BDR) in addition to pancreaticoduodenectomy (PD) is considered a surgical approach in patients with middle-third cholangiocarcinoma (MCC), available prognostic information after BDR remains very limited. The aim of this study was to reappraise BDR from the viewpoint of surgical oncology.
Methods
Patients who underwent BDR or PD for MCC between 2001 and 2010 at 32 Japanese hospitals were included. Clinicopathological factors were retrospectively compared according to surgical procedure to identify a subset cohort who benefited most from BDR.
Results
During the study, 92 patients underwent BDR (n = 38) or PD (n = 54). BDR was characterized by a shorter operation time, less blood loss, less frequent complications, and lower mortality, than PD. The incidence of positive surgical margins was 26.3% versus 5.6% (P = 0.007). The survival rate after BDR was significantly worse than that after PD: 38.8% versus 54.8% at 5 years (P = 0.035), and BDR was independently associated with deteriorated survival [hazard ratio (HR), 1.76; P = 0.023] by multivariable analysis. In the BDR group, tumor length < 15 mm (HR, 3.38; P = 0.017) and ductal margin length ≥ 10 mm (HR, 2.54; P = 0.018) were independent positive prognostic factors. Stratified by these two favorable factors, the 5-year survival rate was 63.0% in patients with 1/2 factors and 6.7% in those with 0 factors (P < 0.001).
Conclusion
In patients with MCC, BDR provided a better short-term and a worse long-term outcome than PD. However, patient selection using tumor length and ductal margin length may allow a favorable survival probability even after BDR.
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Acknowledgements
The authors are grateful to the following investigators in the Nagoya Surgical Oncology Group: T. Aoba (Toyohashi Municipal Hospital, Toyohashi), Y. Kaneoka (Ogaki Municipal Hospital, Ogaki), T. Arai (Anjo Kosei Hospital, Anjo), Y. Shimizu (Aichi Cancer Center Hospital, Nagoya), G. Sugawara (Toyota Kosei Hospital, Toyota), H. Miyake (Japanese Red Cross Nagoya Daiichi Hospital, Nagoya), E. Sakamoto (Japanese Red Cross Nagoya Daini Hospital, Nagoya), K. Shirai (Yamashita Hospital, Ichinomiya), Y. Okada (Handa City Hospital, Handa), E. Hayashi (Japan Community Health care Organization Chukyo Hospital, Nagoya), Y. Kato (Nagoya Ekisaikai Hospital, Nagoya), R. Yamaguchi (Kasugai Municipal Hospital, Kasugai), S. Kobayashi (Kumiai Kosei Hospital, Takayama), Y. Uno (Daido Hospital, Nagoya), T. Maeta (JA Shizuoka Kohseiren Enshu Hospital, Hamamatsu), S. Mizuno (Shizuoka Welfare Hospital, Shizuoka), H. Yamamoto (Tokai Hospital, Nagoya), K. Akashi (Hekinan Municipal Hospital, Hekinan), M. Takano (Asahi Rousai Hospital, Owariasahi), M. Uno (Tokoname City Hospital, Tokoname), and M. Hattori (Nishichita General Hospital, Chita).
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Jikei, K., Ebata, T., Mizuno, T. et al. Oncologic Reappraisal of Bile Duct Resection for Middle-Third Cholangiocarcinoma. Ann Surg Oncol 28, 1990–1999 (2021). https://doi.org/10.1245/s10434-020-09157-3
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DOI: https://doi.org/10.1245/s10434-020-09157-3