Abstract
BackgroundThis study aimed to elucidate the clinical value of combined pancreaticoduodenectomy (PD) for advanced gallbladder cancer according to the mode of cancer spread in the pancreaticoduodenal region. MethodsPatients who underwent combined PD for advanced gallbladder cancer were retrospectively reviewed. The mode of cancer spread in the pancreaticoduodenal region was defined as involvement of peripancreatic organs/structures alone, peripancreatic nodal metastasis alone, or both. Surgical outcomes were compared among these modes of spread. ResultsFifty-seven patients were included. Rates of severe morbidity and mortality were 52.6% and 3.5%, respectively. The mode of cancer spread was involvement of peripancreatic organs/structures alone in 16 patients, peripancreatic nodal metastasis alone in 17, and both in 24; R0 resection rates differed significantly among the groups (87.5% vs. 94.1% vs. 37.5%; p < 0.001). Overall survival (OS) was significantly worse in patients with both modes of spread (5-year OS, 8.3%) than in those with involvement of peripancreatic organs/structures alone (5-year OS, 37.9%; p < 0.001) and those with peripancreatic nodal metastasis alone (5-year OS, 29.4%; p = 0.011). OS was similar between pM0 patients with both modes of spread and pM1 patients (5-year OS, 16.7% vs. 8.7%; p = 0.605). Multivariate analysis identified mode of cancer spread as an independent prognostic factor (p = 0.006). ConclusionsCombined PD could be oncologically justified for advanced gallbladder cancer with involvement of peripancreatic organs/structures alone or peripancreatic nodal metastasis alone in the pancreaticoduodenal region. This procedure would not be indicated in patients with both modes of spread.
Published Version
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