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阴性前列腺核磁共振 (MRI) 在汉族男性群体中对活检决策的可靠性
Fangming Wang1, Yan Zhang2, Meng Fu1
1Department of Urology, Tsinghua University Affiliated Beijing Tsinghua Changgung Hospital, Tsinghua University Clinical Institute, Beijing, 102218, China.
多参数核磁共振 (mpMRI) 可以识别前列腺癌,但添加前列腺体积 (PV) 和PSA密度 (PSAD) 度量可以提高其在中国男性的准确性. 对PV和PSAD的特定值可以将mpMRI的负预测值 (NPV) 提高到100%,从而可能避免不必要的活检.
科学领域:
- 放射学 放射学是一门学科.
- 在瘤学瘤学.
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
背景情况:
- 多参数磁共振成像 (mpMRI) 对于检测临床显著前列腺癌 (csPCa) 至关重要.
- mpMRI的总负预测值 (NPV) 为90%,但由于种族差异和慢性前列腺炎的更高患病率,其表现在中国人口中可能会有所不同.
- 评估额外的临床参数是必要的,以提高mpMRI在中国的csPCa的诊断性能.
研究的目的:
- 评估mpMRI对中国人口中csPCa的诊断性能.
- 确定额外的临床参数,可以改善csPCa.mpMRI的NPV.
- 确定前列腺体积 (PV) 和PSA密度 (PSAD) 是否可以增强mpMRI排除csPCa.
主要方法:
- 对412名接受了mpMRI和前列腺活检的患者进行了回顾性分析.
- 根据MRI和活检结果对患者进行分类.
- 使用多变量逻辑回归和ROC曲线分析来评估csPCa的预测因素,包括PV,PSAD和调整后的PSAD (PSADadj).
主要成果:
- 对csPCa的mpMRI的整体NPV为92%.
- 前列腺体积 (PV) 与csPCa负相关 (OR=0.940),而PSAD (OR=10.288) 和PSADadj (OR=1.027) 与csPCa正相关.
- 在MRI阴性患者中,特定值 (PV > 55.25毫升,PSAD < 0.100 ng/mL2,或PSADadj < 7.24 ng/mL) 将NPV提高到100%.
结论:
- 前列腺体积 (PV) 和PSA密度 (PSAD/PSADadj) 是mpMRI用于检测中国男性的csPCa的宝贵补充.
- 使用PV,PSAD和PSADadj的特定值可以将mpMRI的NPV提高到100%,从而有可能避免不必要的前列腺活检.
- 建议进行未来的多中心验证,以确认这些发现.
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