Clinical study of preoperative serum testosterone in predicting local metastasis and biochemical recurrence of prostatic adenocarcinoma after radical surgery
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摘要: 目的:探讨术前血清总睾酮水平在接受前列腺癌根治术(RP)患者局部转移和术后生化复发之间的联系。方法:研究收集了2009年1月—2018年5月在九江学院附属医院及南昌大学第二附属医院接受RP患者108例,收集患者年龄、术前血清总睾酮、术前血清总前列腺特异性抗原(tPSA)、Gleason评分和病理分期等。局部转移前列腺癌定义为pT3~4或N1期,术后前列腺癌生化复发定义为连续2次测量tPSA>0.2 ng/mL。研究调查临床和病理因素,如年龄、术前血清睾酮水平、tPSA和病理Gleason评分与局部转移和术后生化复发的关系。结果:局部转移前列腺癌患者的平均术前血清总睾酮显著低于非局部转移前列腺癌患者(407.66μg/dL vs.726.34μg/dL,P=0)。二分类Logistic回归分析显示,病理Gleason评分和术前血清总睾酮、血清tPSA是前列腺癌局部转移的重要预测因子。按血清睾酮25%百分数位置将患者分为高血清总睾酮和低血清总睾酮水平组,结果显示术前低血清总睾酮水平与术后复发有显著相关性(P=0.042)。结论:较低的术前血清总睾酮水平与局部转移前列腺癌分期和术后生化复发有密切相关。Abstract: Objective: To investigate the relationship between preoperative serum total testosterone levels and postoperative biochemical recurrence in patients undergoing radical resection of prostate cancer.Methods: A total of 108 patients who received RP in Affiliated Hospital of Jiujiang College and Second Affiliated Hospital of Nanchang University from January 2009 to May 2018 were studied and their age, preoperative serum total testosterone, preoperative serum tPSA, Gleason score and pathological stage were collected. Local metastatic prostate cancer was defined as stage pT3—T4 or N1, and postoperative biochemical recurrence of prostate cancer was defined as two consecutive measurements of tPSA>0.2 ng/mL. The study investigated the relationship between clinical and pathological factors, such as age, preoperative serum testosterone level, tPSA or pathological Gleason score, local metastasis and postoperative biochemical recurrence.Results: The average preoperative serum total testosterone of local metastatic prostate cancer patients was significantly lower than that of non-local metastatic prostate cancer patients(407.66 μg/dL vs. 726.34 μg/dL, P=0). Binary Logistic regression analysis showed that pathological Gleason score, preoperative serum total testosterone and serum tPSA were important predictors of local metastasis of prostate cancer. Patients were divided into high serum total testosterone group and low serum total testosterone group according to the 25% value of serum testosterone, and the results showed that there was significant correlation between low serum total testosterone level before surgery and postoperative recurrence(P=0.042).Conclusion: Low preoperative serum total testosterone level is closely related to local metastatic prostate cancer stage and postoperative biochemical recurrence.
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Key words:
- serum testosterone /
- prostate cancer /
- pathological stage /
- biochemical recurrence /
- clinical analysis
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