Prognostic value of margin clearance in total and distal pancreatectomy specimens with pancreatic ductal adenocarcinoma in a Danish population-based nationwide study
Copyright © 2024 The Authors. Published by Elsevier GmbH.. All rights reserved..
BACKGROUND: The prognostic role of resection margin status following total (TP) and distal (DP) pancreatectomy for pancreatic ductal adenocarcinoma (PDAC) is insufficiently evaluated. In Denmark, pancreatic surgery, including the postoperative pathological examination of the resection specimens, is confined to four centres, all reporting to the Danish Pancreatic Cancer Database (DPCD). In this Danish population-based nationwide study on TP and DP for PDAC from 2015-2019, based on data from DPCD, we evaluated whether there is a prognostically relevant minimum margin clearance definition and whether certain margins hold independent prognostic information.
METHODS: Clinical and pathological data were retrieved from DPCD and supplemented by review of pathology reports and re-microscopy, if needed. One of the study pathologists performed all re-microscopy. The prognostic significance of margin status was evaluated by dichotomisation of the TP cohort (n = 101) and the DP cohort (n = 90) into involved and uninvolved groups, using different clearance definitions (0.5 - ≥3.0 mm).
RESULTS: Following TP, direct involvement of the superior mesenteric artery (SMA) margin had independent prognostic value. When using a clearance definition of ≥ 0.5 or ≥ 1.5 mm for SMA, median survival for R0 versus R1 was 19 (95% CI 14-26) versus 10 (95% CI 5-20) months (p = 0.010), and 21 (95% CI 15-30) versus 10 (95% CI 8-19) months (p = 0.011), respectively. Overall margin status was not of significant prognostic importance following neither DP nor TP.
CONCLUSION: In this Danish population-based nationwide study, SMA margin involvement was a significant isolated prognostic factor following TP, whereas combined assessment of all circumferential margins did not hold statistically significant prognostic information. Following DP, resection margin status did not affect survival.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:254 |
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| Enthalten in: |
Pathology, research and practice - 254(2024) vom: 09. Feb., Seite 155077 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Aaquist, Trine [VerfasserIn] |
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Journal Article |
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| Anmerkungen: |
Date Completed 14.02.2024 Date Revised 14.02.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.prp.2023.155077 |
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| 245 | 1 | 0 | |a Prognostic value of margin clearance in total and distal pancreatectomy specimens with pancreatic ductal adenocarcinoma in a Danish population-based nationwide study |
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| 520 | |a Copyright © 2024 The Authors. Published by Elsevier GmbH.. All rights reserved. | ||
| 520 | |a BACKGROUND: The prognostic role of resection margin status following total (TP) and distal (DP) pancreatectomy for pancreatic ductal adenocarcinoma (PDAC) is insufficiently evaluated. In Denmark, pancreatic surgery, including the postoperative pathological examination of the resection specimens, is confined to four centres, all reporting to the Danish Pancreatic Cancer Database (DPCD). In this Danish population-based nationwide study on TP and DP for PDAC from 2015-2019, based on data from DPCD, we evaluated whether there is a prognostically relevant minimum margin clearance definition and whether certain margins hold independent prognostic information | ||
| 520 | |a METHODS: Clinical and pathological data were retrieved from DPCD and supplemented by review of pathology reports and re-microscopy, if needed. One of the study pathologists performed all re-microscopy. The prognostic significance of margin status was evaluated by dichotomisation of the TP cohort (n = 101) and the DP cohort (n = 90) into involved and uninvolved groups, using different clearance definitions (0.5 - ≥3.0 mm) | ||
| 520 | |a RESULTS: Following TP, direct involvement of the superior mesenteric artery (SMA) margin had independent prognostic value. When using a clearance definition of ≥ 0.5 or ≥ 1.5 mm for SMA, median survival for R0 versus R1 was 19 (95% CI 14-26) versus 10 (95% CI 5-20) months (p = 0.010), and 21 (95% CI 15-30) versus 10 (95% CI 8-19) months (p = 0.011), respectively. Overall margin status was not of significant prognostic importance following neither DP nor TP | ||
| 520 | |a CONCLUSION: In this Danish population-based nationwide study, SMA margin involvement was a significant isolated prognostic factor following TP, whereas combined assessment of all circumferential margins did not hold statistically significant prognostic information. Following DP, resection margin status did not affect survival | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Margin clearance definition | |
| 650 | 4 | |a Pancreatectomy | |
| 650 | 4 | |a Pancreatic cancer | |
| 650 | 4 | |a Resection | |
| 650 | 4 | |a Survival | |
| 700 | 1 | |a Fristrup, Claus W |e verfasserin |4 aut | |
| 700 | 1 | |a Hasselby, Jane P |e verfasserin |4 aut | |
| 700 | 1 | |a Hamilton-Dutoit, Stephen |e verfasserin |4 aut | |
| 700 | 1 | |a Eld, Mikkel |e verfasserin |4 aut | |
| 700 | 1 | |a Pfeiffer, Per |e verfasserin |4 aut | |
| 700 | 1 | |a Mortensen, Michael B |e verfasserin |4 aut | |
| 700 | 1 | |a Detlefsen, Sönke |e verfasserin |4 aut | |
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