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经直肠前列腺穿刺活检阳性率的相关影响因素分析 被引量:7

Influencing factors of positive rate of transrectal ultrasound biopsy for prostate cancer
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摘要 目的 分析经直肠前列腺穿刺活检前列腺癌阳性率的相关影响因素.方法 回顾性总结2011年6月至2014年6月间在本院行经直肠超声引导前列腺穿刺活检患者的临床病理资料.通过X2检验、多因素回归模型、受试者工作曲线等方法分析与前列腺癌阳性率相关的影响因素,并验证PAMD评分系统预测经直肠前列腺穿刺活检阳性率的可靠性.结果 入组222例患者中检出前列腺癌88例,阳性率39.6%.单因素分析显示,年龄(P<0.05)、血清总PSA(TPSA) (P <0.001)、核磁共振成像(MRI) (P <0.001)、肛门指诊(DRE) (P <0.001)在前列腺癌组患者均存在显著差异.通过多元逻辑回归分析显示,年龄、TPSA、前列腺体积(PV)、MRI、DRE均是经直肠前列腺穿刺活检阳性率的独立影响因素,其优势比(OR)和95%可信区间(95%CI)分别为2.539(1.156 ~5.576)、2.745(1.677 ~4.494)、0.409(0.187 ~0.891)、0.132(0.039 ~0.446)和0.018(0.005~0.063).利用PV+ Age+ MRI+ DRE (PAMD)评分系统评价显示,≥4分高危组前列腺癌检出率可达48.2%,明显高于总体阳性率,与中、低危组相比有显著差异.结论 Age、TPSA、PV、MRI和DRE均可作为前列腺穿刺活检阳性率的独立影响因素,结合PAMD评分系统有助于提高前列腺穿刺活检的阳性率. Objectives To investigate the influencing factors of positive rate of transrectal ultrasound(TRUS) biopsy for prostate cancer.Methods A total of 222 male patients who underwent TRUS biopsy for prostate cancer were analysed retrospectively from June 2011 to June 2014.The relevant data including age,total prostate specific antigen (TPSA),magnetic resonance imaging (MRI),prostate volume(PV) and degital rectal examination (DRE) were analysed by univariate and multivariate regression and ROC.Then the PAMD(PV + Age + MRI + DRE) scoring system was used to predict the positive rate of TRUS biopsy for prostate cancer.Results 88 (39.6%) cases were diagnosed with prostate cancer among the 222 patients.Multivariate regression showed that age,TPSA,PV,MRI and DRE were all significant independent predictors of prostate cancer,with OR and 95% CI of 2.539(1.156 ~ 5.576),2.745 (1.677 ~ 4.494),0.409 (0.187 ~ 0.891),0.132 (0.039 ~ 0.446) and 0.018(0.005 ~ 0.063) respectively.Patients with the risk score of ≥4 by PAMD scoring system had a significantly higher rate(48.2%) of prostate cancer than others risk score groups.Conclusions PAMD scoring system can help to increase the positive rate of TRUS biopsy for prostate cancer.
作者 吕蔡 刘振湘 白志明 Lyv Cai Liu Zhenxiang Bai Zhiming.(Department of Urology, Affiliated Haikou Hospital of Xiangya Medical School Central South University, Haikou 570208, Chin)
出处 《国际泌尿系统杂志》 2017年第3期377-380,共4页 International Journal of Urology and Nephrology
基金 海南省国际科技合作项目(GJXM201108) 海口市重点科技项目(2012-081)
关键词 前列腺肿瘤 活组织检查 针吸 直肠 Prostatic Neoplasms Biopsy,Needle Rectum
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