ArticleAnnals of surgical oncology2026
The Practices of Pancreatic Neck Margin Testing and Their Outcomes after Pancreatoduodenectomy for Pancreatic Ductal Adenocarcinoma.
Article in Annals of surgical oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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16 authors.
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Abstract
backgroundThe role of checking the pancreatic neck margin with frozen section (PNM-FS) during pancreatoduodenectomy (PD) for pancreatic ductal adenocarcinoma (PDAC) to secure R0 resection and its impact on long-term outcomes remains an area of debate. PATIENTS AND
methodsPatients with PD for PDAC between 2018 and 2023 were included. The primary outcome was pancreatic neck recurrence-free survival (PN-RFS). Secondary outcomes were locoregional recurrence-free survival (LR-RFS), distant recurrence-free survival (D-RFS), and overall survival (OS).
resultsThere were 403 patients who met inclusion criteria. PNM-FS was checked in 361 patients (89.6.2%) and returned negative at first attempt in 285 (78.9%). A total of 76 patients had positive PNM-FS; 71 were revised and clearance achieved on repeat sampling in 49 (69.0%). Median PN-RFS in patients with PNM-FS cleared with revision was significantly shorter compared with those with negative PNM-FS at first attempt (16.9 versus 23.1 months; p = 0.048) but was not different from patients with PNM-FS not cleared (16.9 versus 16.0 months; p = 0.961). LR-RFS and D-RFS were not different between the groups. OS was marginally longer in patients with negative PNM-FS at first attempt (23.9 versus 19.4 versus 16.0 months; p = 0.049). Six patients underwent completion total pancreatectomy (TP) for margin clearance, four developed distant recurrence, one locoregional recurrence and two died without disease at 1 and 11 months postoperatively.
conclusionsPNM-FS is only a prognostic marker. Pursuing PNM-FS clearance does not improve PN-RFS, LR-RFS, D-RFS, or OS. Furthermore, pursuing a completion TP may be associated with shorter OS either from disease progression or surgical morbidity.
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