Surgery today · 2026
Oncologic impact of additional pancreaticoduodenectomy for distal margin-positive perihilar cholangiocarcinoma: a multi-decade single-center analysis.
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Yasukawa Koya, Shimizu Akira, Kubota Koji, Notake Tsuyoshi, Hosoda Kiyotaka, Sakai Hiroki, Hayashi Hikaru, Soejima Yuji
Аннотация
PURPOSE: Perihilar cholangiocarcinoma (PHCC) often presents challenges with intraoperatively detected distal bile duct margin (DM) positivity. We evaluated the safety and oncological impact of performing an additional pancreatoduodenectomy (ad-PD) for converting R1 to R0 resection.
METHODS: We retrospectively reviewed 272 patients (1990-2024) who underwent major hepatectomies for PHCC. Patients with positive DM were divided into an ad-PD group (n = 8) and a hepatectomy alone group (DMpos-HA, n = 10).
RESULTS: A manalysis identified lymph node metastasis, non-R0 resection, vascular resection, and CA19-9 > 90 U/mL as independent predictors of a poor overall survival (OS) in the entire cohort (n = 272). Regarding the DM-positive subgroup, the ad-PD group achieved a 100% R0 rate, whereas the DMpos-HA group had a 0% rate (p < 0.001). The 5-year OS rate tended to be higher in the ad-PD group (50.0% vs. 20.0%, p = 0.396), although the difference was not statistically significant. Major complications (Clavien-Dindo ≥IIIa) occurred in 38% of the ad-PD group and 20% of the DMpos-HA group (p = 0.613). Importantly, the in-hospital mortality rate was 0% in both groups.
CONCLUSION: In carefully selected patients, concomitant ad-PD is a feasible option that achieves a high R0 rate and suggests a trend toward an improved long-term survival without increasing mortality.
METHODS: We retrospectively reviewed 272 patients (1990-2024) who underwent major hepatectomies for PHCC. Patients with positive DM were divided into an ad-PD group (n = 8) and a hepatectomy alone group (DMpos-HA, n = 10).
RESULTS: A manalysis identified lymph node metastasis, non-R0 resection, vascular resection, and CA19-9 > 90 U/mL as independent predictors of a poor overall survival (OS) in the entire cohort (n = 272). Regarding the DM-positive subgroup, the ad-PD group achieved a 100% R0 rate, whereas the DMpos-HA group had a 0% rate (p < 0.001). The 5-year OS rate tended to be higher in the ad-PD group (50.0% vs. 20.0%, p = 0.396), although the difference was not statistically significant. Major complications (Clavien-Dindo ≥IIIa) occurred in 38% of the ad-PD group and 20% of the DMpos-HA group (p = 0.613). Importantly, the in-hospital mortality rate was 0% in both groups.
CONCLUSION: In carefully selected patients, concomitant ad-PD is a feasible option that achieves a high R0 rate and suggests a trend toward an improved long-term survival without increasing mortality.