Home Neoplasma Ahead of print Neoplasma Vol.67, No.6, p.1319–1328, 2020

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Neoplasma Vol.67, No.6, p.1319–1328, 2020

Title: Correlation of survival length after pancreaticoduodenectomy for pancreatic head adenocarcinoma depending on tumor characteristics detected by means of computed tomography and resection margins status
Author: V. PROCHAZKA, J. HLAVSA, L. KUNOVSKY, M. FARKASOVA, M. POTRUSIL, T. ANDRASINA, A. LITAVCOVA, J. MAZANEC, J. DOLINA, L. OSTRIZKOVA, M. EID, P. KOVALCIKOVA, T. PAVLIK, Z. KALA
Abstract: Pancreatic carcinoma is an aggressive tumor with a grim prognosis. Accurate staging is essential for indicating surgery in patients with borderline resectable tumors. This paper examines the correlation between pre-operation characteristics of tumors found on CT, infiltration of individual resection margins as confirmed by a pathologist, and the survival of patients with resectable pancreatic head ductal adenocarcinoma.
This prospective cohort study involved patients operated on for pancreatic head adenocarcinoma, which was clearly resectable based on the staging CT and intraoperative observation between 2011-2014. Only patients without postoperative complications who underwent adjuvant chemotherapy were analyzed. Seventy-nine patients were assessed, of which 16 (20.3%) had R0 resection and 63 (79.7%) had R1 resection. Patients with R1 results had up to 2.7 times higher risk of death than patients with R0 resection. We found a trend towards shorter survival associated with a closer relationship of the tumor to the superior mesenteric vein/portal vein (SMV/PV) wall in the pre-operation CT examination. Patients with a tumor interface between the vein wall of up to 180° circumference had up to 1.97 times higher risk of death than patients without (p = 0.131).
The results of our work confirmed that in our center, even surgically treated, clearly resectable pancreatic head tumors still have a high occurrence of positive surgical margins (R1 resection) and that tumors with R1 resection had statistically significantly reduced survival compared to R0 resection. A trend for shorter overall survival was found after tumor resection depending on the increasing interface between the tumor and the SMV/PV wall, but this result was not statistically significant.
Keywords: pancreatic cancer; pancreaticoduodenectomy; overall survival; resection margin; computed tomography; surgery
Published online: 01-Jul-2020
Year: 2020, Volume: 67, Issue: 6 Page From: 1319, Page To: 1328
doi:10.4149/neo_2020_190923N955


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