通过呼出的挥发性有机化合物对结肠直肠癌进行歧视
Yongyan Ji1, Wenshan Wang1, Shanshan Dong1
1Department of Environmental Science & Engineering, Fudan University, Shanghai, 200438, P.R. China.
QJM : monthly journal of the Association of Physicians
|December 15, 2025
概括
一种新的呼吸测试可以识别挥发性有机化合物 (VOC),以非侵入性检测结肠直肠癌 (CRC). 这种有前途的查工具显示出早期诊断的潜力,将CRC与其他胃肠道疾病区分开来.
科学领域:
- 生物标志物 生物标志物
- 在瘤学瘤学.
- 呼吸系统医学 呼吸系统医学
背景情况:
- 结肠直肠癌 (CRC) 是全球癌症死亡的主要原因.
- 早期检测对于改善CRC患者的治疗结果至关重要.
- 呼出的气息中的挥发性有机化合物 (VOC) 提供了一个非侵入性的查途径.
研究的目的:
- 为CRC检测开发和验证一个特定的呼吸VOC签名.
- 用呼吸分析来区分CRC与其他胃肠道疾病.
- 评估VOC和血清生物标志物的联合诊断性能.
主要方法:
- 招募了248名参与者,包括CRC患者,其他胃肠道疾病和健康对照.
- 对口服化合物,性行为和药物等混因素进行控制.
- 在独立的队列中为VOC面板开发和验证机器学习模型.
主要成果:
- 确定了一个VOC面板,将CRC与控制区分开来,AUC为0.834.
- 呼吸测试区分了CRC与性结肠炎 (AUC0.765) 和胰腺癌 (AUC0.739).
- 组合的VOC和血清生物标志物达到0.881.1的AUC.
结论:
- 在CRC患者中排出的明显的VOC显示出非侵入性查的潜力.
- 呼吸测试代表了早期CRC检测的强大方法.
- 与血清生物标志物的整合提高了诊断的准确性.
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