4.4 Article

Impact of Salvage Surgery following Colonic Endoscopic Polypectomy for Patients with Invasive Neoplasia

期刊

CURRENT ONCOLOGY
卷 29, 期 5, 页码 3138-3148

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MDPI
DOI: 10.3390/curroncol29050255

关键词

colorectal neoplasia; endoscopic resection; salvage surgery

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资金

  1. China Scholarships Council [201806370236]
  2. University of Tubingen

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This study suggests that salvage surgery following endoscopic polypectomy may improve the survival rate of patients with invasive neoplasia, especially in patients with T1 stage. In addition, the T stage, size, and localization of polyps, as well as the level of CEA, were identified as significant predictors for lymphonodal and distant metastases.
Background: Invasive neoplasia (Tis-T1) are increasingly being encountered in the daily routine of endoscopic polypectomy. However, the need for salvage surgery following endoscopic therapy for invasive neoplasia is controversially discussed. Patients and Methods: Patients with endoscopic removal of invasive neoplasia were identified from the national Surveillance Epidemiology and End Results (SEER) Database 2005 to 2015. Survival analysis and Cox proportional hazard regression analysis in cancer-specific mortality and overall survival rate was used, which were stratified by T stage and polyp size. Results: A total of 5805 patients with endoscopic removal of invasive neoplasia were included in the analysis, of whom 1214 (20.9%) underwent endoscopic treatment alone and 4591 (79.1%) underwent endoscopic resection plus surgery. The survival analysis revealed that patients undergoing salvage surgery had a significantly better cancer-specific survival (97.4% vs. 95.8%, p-value = 0.017). In patients with T1 stage, additional salvage surgery led to a significantly higher cancer-specific survival (92.1% vs. 95.0%, p value = 0.047). Conclusion: Salvage surgery following endoscopic polypectomy may improve the oncological survival of patients with invasive neoplasia, especially in patients with T1 stage. Furthermore, the T stage, size, and localization of polyps, as well as the level of CEA, could be identified as significant predictors for lymphonodal and distant metastases.

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