ArticleAnnals of surgical oncology2024
Clinical Implications of the Degree of Pancreatic Invasion in Ampulla of Vater Carcinoma.
Article in Annals of surgical oncology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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11 authors.
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Abstract
backgroundAmpulla of Vater carcinoma (AVC) stage T3 was subdivided according to the degree of pancreatic invasion into T3a (≤ 0.5 cm) and T3b (> 0.5 cm) by the 8th edition of the Union for International Cancer Control (UICC)/American Joint Committee on Cancer (AJCC) cancer staging system. However, the differences in clinicopathological features and survival outcomes between the two categories have not been well discussed. PATIENTS AND
methodsWe retrospectively analyzed 133 consecutive patients who underwent pancreatoduodenectomy for AVC at our institution between 2002 and 2020. Clinicopathological features and survival outcomes of patients with AVC were analyzed, with a focus on the depth of pancreatic invasion. In addition, the survival outcomes of patients with T3 AVC were compared with those of patients with resectable pancreatic head carcinoma (R-PhC) who underwent pancreatoduodenectomy during the same period.
resultsThe overall survival (OS) in patients with T3b AVC (n = 12) was significantly worse than that in patients with T3a AVC (n = 39) [median survival time (MST) 9.2 vs. 74.5 months, p < 0.001). A multivariate analysis identified T3b tumor (hazard ratio 5.64, p = 0.009) as an independent prognostic factor. The OS of patients with T3a AVC was significantly better than that of patients with R-PhC who received adjuvant chemotherapy (n = 276, MST 35.0 months, p = 0.007). In contrast, the OS of patients with T3b AVC tended to be worse than that of patients with R-PhC managed without adjuvant chemotherapy, although this difference was not statistically significant (n = 163; MST, 17.5; p = 0.140).
conclusionsAVC with > 0.5 cm invasion into the pancreas was associated with poor survival and represented advanced tumor progression to systemic disease.
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