ArticleAdvances in therapy2023
Neuroendocrine Component in Extrahepatic Cholangiocarcinoma is Associated with Better Survival: Data from the SEER Study.
Article in Advances in therapy, 2023. 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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5 authors at 2 institutions in 1 country.
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Abstract
introductionThis study was performed to evaluate the prognostic value of the neuroendocrine component in patients with extrahepatic cholangiocarcinoma (EHCC).
methodsCases with EHCC derived from the SEER database were retrospectively reviewed and analyzed. The clinicopathological features and long-term survival were compared between patients with neuroendocrine carcinoma (NECA) and those with pure adenocarcinoma (AC).
resultsA total of 3277 patients with EHCC were included (62 patients with NECA and 3215 patients with AC). T stage (P = 0.531) and M stage (P = 0.269) were comparable between the two groups. However, lymph node metastasis was more frequently detected in NECA (P = 0.022). NECA was correlated with more advanced tumor stage than pure AC (P < 0.0001). Inconsistent differentiation status was also observed between the two groups (P = 0.001). The proportion of patients who received surgery was significantly higher in the NECA group (80.6% vs 62.0%, P = 0.003) while chemotherapy was more frequently performed among patients with pure AC (45.7% vs 25.8%, P = 0.002). Comparable incidence of radiotherapy was acquired (P = 0.117). Patients with NECA shared a better overall survival than those with pure AC (P = 0.0141), even after matching (P = 0.0366). The results of univariate and multivariate analyses indicated that the neuroendocrine component was a protective factor as well as an independent prognostic factor for overall survival (HR < 1, P < 0.05).
conclusionPatients with EHCC with a neuroendocrine component shared a better prognosis than those with pure AC, and NECA could serve as a favorable prognostic factor for overall survival. Considering various unprovided but potentially confounding factors, future more well-conducted research is required.
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