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前列腺穿刺活检结果中慢性炎症与活检结果的相关性及其对重复穿刺活检的预测作用

Preliminary study on the relationship between chronic inflammation and biopsy results in prostate biopsy

摘要:

目的:探讨首次前列腺穿刺活检结果中慢性炎症与活检结果的相关性,分析慢性炎症对重复穿刺活检结果的预测作用。方法:回顾性分析2016年1月至2019年1月天津医科大学第二医院收治的771例首次行经会阴前列腺饱和穿刺活检患者的病例资料。平均年龄69.6(39~89)岁。平均PSA 16.1(4~50) ng/ml。平均PSA密度(PSAD)0.6(0.1~1.3) ng/ml 2。平均前列腺体积(PV)40.2(16.7~129.5) ml,平均移行带体积23.9(0.7~49.5) ml。全麻下患者取截石位。安装前列腺饱和穿刺活检架及模板,在模板定位下采用经直肠超声(TRUS)引导穿刺。采用单因素方差分析穿刺活检结果中慢性炎症与病理结果[前列腺癌、高级别前列腺上皮内瘤变(HGPIN)、良性前列腺组织(BPD)]的关系。分析前列腺癌组不同Gleason评分标本中慢性炎症检出率的差异。采用单因素和多因素logistic回归分析筛选与前列腺活检结果相关的独立危险因素。分析3年内行重复穿刺患者活检结果中慢性炎症与病理结果(前列腺癌和非前列腺癌)的关系;筛选与重复穿刺活检结果相关的独立危险因素。 结果:本研究771例穿刺活检结果中,前列腺癌组354例,伴慢性炎症144例(40.7%);HGPIN组85例,伴慢性炎症13例(15.3%);BPD组332例,伴慢性炎症263例(79.2%)。单因素分析结果显示,前列腺癌组和HGPIN组的PV( P均<0.001)、移行区体积( P均<0.001)和慢性炎症比例( P均<0.001)明显小于BPD组,差异有统计学意义;血清PSA水平( P均<0.001),PSAD( P均<0.05)显著高于BPD组,差异有统计学意义。多因素logistic回归分析结果显示,慢性炎症( OR=0.8, P=0.015)和PSAD( OR=22.7, P<0.01)是活检结果为前列腺癌的独立危险因素;慢性炎症( OR=0.1, P<0.01)和PSAD( OR=15.2, P<0.01)是活检结果为HGPIN的独立危险因素。Gleason评分6~10分组织的慢性炎症检出率分别为70%(35/50)、61%(36/59)、33%(69/209)、12%(3/25),9%(1/11)( P均<0.05),慢性炎症与较高级别肿瘤呈负相关。首次穿刺活检后3年内30例行重复穿刺活检,平均年龄71.2(45~80)岁;平均PSA 20.1(4~39) ng/ml;平均PSAD 0.7(0.2~1.3) ng/ml 2;平均PV 39.3(18.5~119.0) ml,平均移行带体积19.9(12.5~40.5) ml。重复活检结果为前列腺癌组(阳性)9例,其中首次活检伴慢性炎症3例,无炎症6例;非前列腺癌组(阴性)21例,其中首次活检伴慢性炎症16例,无炎症5例。单因素分析结果显示,前列腺癌组的PSA( P=0.031),PSAD( P=0.032)明显高于非前列腺癌组,慢性炎症比例( P=0.042)低于非前列腺癌组,差异有统计学意义。多因素logistic回归分析结果显示,慢性炎症( OR=0.7, P=0.012)和PSAD( OR=13.7, P<0.001)是重复活检诊断前列腺癌的独立危险因素。在重复活检患者中,综合考虑PSAD(截断值0.15)和首次活检伴慢性炎症,预测结果为阳性8例,真阳性6例;阴性22例,真阴性19例。预测重复活检结果的敏感性、特异性、阳性预测值和阴性预测值分别为66.7%、90.4%、75.0%、86.3%。 结论:前列腺穿刺活检结果中慢性炎症与活检结果为前列腺癌和高级别肿瘤呈独立负相关。对于PSAD<0.15且首次活检结果有慢性炎症的患者,可避免大部分患者再次进行穿刺活检。

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abstracts:

Objective:To investigate the correlation between chronic inflammation and biopsy results in the first prostate biopsy and the predictive effect of chronic inflammation on the results of repeated prostate biopsy.Method:From January 2016 to January 2019, 771 patients who underwent transperineal prostate biopsy for the first time in the Second Hospital of Tianjin Medical University were included. The average age was 69.6 years old(39-89), with PSA level of 16.1 ng/ml(4-50), PSAD level of 0.6 ng/ml 2(0.1-1.3), prostate volume(PV)of 40.2 ml(16.7-129.5), transition zone volume(TZ) of 23.9 ml(0.7-49.5). The biopsy was performed under general anesthesia in the lithotomy position, and transrectal ultrasound(TRUS)and prostate puncture template were used to guide the biopsy. The association between chronic inflammation and pathological results or Gleason scores in prostate cancer (PCa) were analyzed. The univariate and multivariate logistic regression analyses were performed to select the independent risk factors for prostate biopsy results. The relationship between chronic inflammation and pathological results in patients with repeated biopsy within 3 years after the first biopsy was assessed. The independent risk factors related to the results of the repeated biopsy were also evaluated. Result:A total of 771 patients were included, including 354 cases of PCa and 144(40.7%) cases associated with chronic inflammation. In addition, 332 cases were benign prostatic disease (BPD), including 263(79.2%) cases with chronic inflammation, and 85 cases were prostate high-grade intraepithelial neoplasia group (HGPIN), including 13(15.3%) cases with chronic inflammation. The PV, TZ and chronic inflammation rates were statistically significantly lower in PCa and HGPIN than those in BPD, while the level of PSA and PSAD were significantly higher than those in BPD. Multivariate logistics regression analysis showed that PSAD and chronic inflammation rates were independent risk factors for PCa and HGPIN. According to the biopsy results of Gleason score from 6 to 10, the chronic inflammation rates was 70%(35/50), 61%(36/59), 33%(69/209), 12%(3/25) and 9%(1/11) respectively ( P<0.05), which indicated that the chronic inflammation was negatively correlated with higher grade tumors. The repeated biopsy was performed in 30 patients within 3 years after the first biopsy. The average age was 71.2 years old (45-80), with PSA level of 20.1 ng/ml (4-39), PSAD level of 0.7 ng/ml 2(0.2-1.3), PV of 39.3 ml(18.5-119.0), and TZ of 19.9 ml(12.5-40.5). The results of the repeated biopsy showed that there were 9 cases with PCa(3 cases with chronic inflammation)and 21 cases without PCa (16 cases with chronic inflammation). The level of PSA ( P=0.031) and PSAD ( P=0.032) were statistically significantly higher in PCa than those in benign disease, while the chronic inflammation rates were significantly lower than those in benign disease( P=0.042). Multivariate logistics regression analysis showed that PSAD ( OR=0.7, P=0.012) and chronic inflammation( OR=13.7, P<0.001)were independent risk factors in the positive repeated biopsy. In patients with repeated biopsy, considering PSAD (cut off value 0.15) and first biopsy with chronic inflammation, the predicted results were positive in 8 cases and negative in 22 cases. The real number of cases in the two groups is 6 and 19 respectively. The sensitivity, specificity, positive predictive value, and negative predictive value of repeated biopsy results were 66.7%, 90.4%, 75.0%, and 86.3%, respectively. Conclusion:Chronic inflammation was negatively correlated with positive biopsy results and high-grade tumors. For the patients with PSAD<0.15 and the first biopsy with chronic inflammation, the repeated biopsy should be avoided in most of the cases.

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作者: 孙广玉 [1] 连振鹏 [1] 刘冉录 [1]
期刊: 《中华泌尿外科杂志》2020年41卷10期 757-763页 ISTICPKUCSCDCA
栏目名称: 临床研究
DOI: 10.3760/cma.j.cn112330-20190907-00401
发布时间: 2020-11-16
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