在局部切除后省略额外的手术是否会影响高风险pT1结肠癌患者的癌症结果?
Begoña Oronoz1, Javier Suárez2, Susana Oquiñena3
1Department of General Surgery, Coloproctology Unit, Hospital Universitario de Navarra, Hospital Universitario de Navarra, Pamplona, Spain. oromabeg@hotmail.com.
Journal of gastrointestinal cancer
|August 21, 2025
概括
对于pT1结直肠癌,阳性边缘和不利的组织学预测残留疾病. 谨慎的选择和监测可以避免在特定的高风险患者中进行不必要的手术,从而维持生存结果.
科学领域:
- 胃肠病学和外科瘤学
- 结肠直肠癌研究
- 癌症病理学
背景情况:
- 结肠直肠癌是西班牙癌症死亡的主要原因.
- 对于PT1腺癌,内镜多角切除术 (EP) 是标准的,但确定需要进一步的手术是具有挑战性的.
- 在高风险的pT1病例中,内残留瘤 (IRT) 和淋巴结转移 (LNM) 的发生率有所不同.
研究的目的:
- 为了确定预测pT1CRC后残留疾病的组织学因素.
- 评估在高风险的pT1CRC患者中减少不必要的完成手术的策略.
- 根据风险分层和管理方法分析结果.
主要方法:
- 在276名接受完整EP治疗的pT1CRC患者的回顾性分析 (2013-2021年).
- 高风险的pT1标准包括正边缘,深入侵袭 (≥2mm),淋巴血管侵袭,高度芽,不利的组织学或不确定的特征.
- 患者被分为低风险 (LR),高风险内镜治疗 (HR-E) 和高风险手术治疗 (HR-S) 组,并进行长期随访.
主要成果:
- 在手术样本的18.7%中发现了残留疾病.
- 阳性边际与IRT相关 (p=0. 01),不良组织学与LNM相关 (p=0.000).
- 在单个危险因子患者中,HR-E和HR-S的复发率相似;HR-E组中没有CRC特异性死亡.
结论:
- 阳性切除边缘和不利的组织学是pT1CRC中IRT和LNM的关键预测因素.
- 选择的高风险患者,特别是那些患有并发症或单一风险因素的患者,可以安全地推迟完成手术,并进行警的随访.
- 这种方法可以在不影响pT1CRC治疗的生存结果的情况下降低手术发病率.
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