超声造影结合直肠B超在经会阴前列腺穿刺活检中的应用（附87例报告）

目的：探讨微泡造影剂结合经直肠多普勒超声（contrastenhancedtransrectualultrasound,CE-TRUS）在经会阴前列腺穿刺活检中的临床意义。方法：对87例前列腺疾病患者在CE-TRUS后行经直肠B超引导下经会阴前列腺穿刺活检,穿刺标准依据2007年新修订的《中国泌尿外科疾病诊断治疗指南》确定．先行彩色多普勒超声检查。了解并记录前列腺局灶性病变部位、大小、数目、回声特征及彩色多普勒血流等情况。结果：87倒确诊为前列腺癌和前列腺增生者分别为52例和35例,两者比较差异无统计学意义（P=0．617）。而以PSA≤20ng／ml和PSA〉20ng／ml为标准行分层分析,发现PSA≤20ng／ml者在CE-TRUS引导下经会阴前列腺穿刺阳性率高（P=0．041）。结论：CE-TRUS后经直肠B超引导下行经会阴前列腺穿刺活检是诊断前列腺癌的重要方法;PSA≤20ng／ml者结合CDTRUS行前列腺穿刺活检能提高前列腺癌穿刺阳性率。     

经直肠超声引导下经会阴前列腺穿刺315例分析

目的 探讨经直肠超声（TRUS）引导下经会阴前列腺穿刺的临床意义。方法 对315例PSA〉4ng／ml、直肠指检异常或B超发现异常回声的患者行经会阴的6点系统加异常回声处活检。年龄43～91岁，平均72岁。PSA〈4ng／ml者66例，4～10ng／ml者96例，10～20ng／ml者90例，〉20ng／ml者63例。结果 穿刺活检证实为前列腺癌111例，阳性率35．2％。PSA〉4ng／ml、指检异常、B超发现异常回声及PSAD〉0．15者穿刺阳性率分别为43．4％（108／249）、42．9％（75／175）、32．8％（63／192）及52．1％（75／144）。以PSAD〉0．15时的阳性率为最高，与其余3种标准相比差异有统计学意义。结论 TRUS引导下经会阴前列腺穿刺准确率高，并发症少而轻，是诊断前列腺癌的重要方法。     

超声引导下经会阴穿刺活检在前列腺癌诊断中的价值

目的：探讨超声引导下经会阴道前列腺穿刺活检诊断前列腺癌的价值。方法：对376例临床怀疑前列腺癌患者行直肠腔内超声引导下经会阴前列腺穿刺活检。分3组。A组：184例,为指检前列腺触及结节或前列腺增大、质硬怀疑前列腺癌者;B组：84例,为因前列腺增生行直肠腔内超声检查发现有异常回声区域者;C组：108例,为指检未及明显硬节而血中PSA＞10ng/ml者。结果：3组穿刺活检阳性率分别为44．5％（82／184）,29．8％（25／84）,57．4％（62／108）。结论：直肠腔内超声引导下经会阴穿刺活检取材准确,能清楚显示穿刺针的径路和深度,避免损伤邻近脏器,可重复操作,明显提高穿刺活检的阳性率。     

超声造影检查在经会阴前列腺穿刺活检中的应用价值

目的 探讨超声造影检查在经直肠超声引导下(CE-TRUS)经会阴前列腺穿刺活检中的临床应用价值.方法 病例选择标准:①直肠指检异常;②PSA>10 ng/ml;③PSA 4～10 ng/ml,f/t PSA异常或PSAD值异常,符合以上之一者即入围此研究.共116例入选者,年龄50～84岁,既往均无前列腺手术病史.行6点系统加异常回声处活检,其中PSA＜10ng/ml者25例,10 ng/ml～者25例,20 ng/ml～者11例,>30 ng/ml者55例.行CF-TRUS经会阴前列腺穿刺活检,彩色多普勒超声检查并记录前列腺局灶性病变部位、回声特征及彩色多普勒血流等情况,其中43例行前列腺超声造影,了解并记录异常血流部位.结果 116例患者穿刺活检证实前列腺癌64例,BPH 52例.43例行超声造影检查后活检者,前列腺癌和BPH分别为25及18例,造影组和非造影组前列腺癌穿刺阳性率比较差异无统计学意义(P=0.622).PSA≤30ng/ml组共61例,其中行超声造影23例,发现前列腺癌8例,未造影组38例中发现前列腺癌5例,造影组穿刺阳性率高于非造影组,2组比较差异有统计学意义(P=0.046);PSA>30 ng/ml患者造影和非造影穿刺阳性率(97.1%与85.0%)比较差异无统计学意义(P=0.095). 结论与B超引导下经直肠前列腺活检相比,CE-TRUS经会阴前列腺穿刺活检并发症少而轻.PSA≤30ng/ml患者结合超声造影检查能提高前列腺癌穿刺阳性率.     

超声引导系统活检筛查前列腺癌的临床意义

目的 探讨B超引导下前列腺穿刺筛查前列腺癌的临床意义。方法 采用6针系统活检加结节处2－4针活检,197例前列腺特异抗原（PSA）＞4ng/ml或有前列腺结节的患者行 超声引导下前列腺穿刺活检,对4例PSA持续升高者行重复穿刺。结果 有结节者107例中发现前列腺癌34例（31.8%),90例无结节者中发现前列腺癌11例（12.2％）。分析显示：PSA越高,穿刺活检阳性率越高。重复穿刺者4例中发现前列腺癌1例。结论 对有前列腺结节或PSA＞4ng/ml的前列腺增生患者应行系统活检以筛查前列腺癌,穿刺阴性后如PSA持续 增高则应重复穿刺。     

B超引导下经直肠前列腺穿刺活检低回声区穿刺要点

目的 探讨临床上B超引导下经直肠前列腺穿刺活检低回声区穿刺要点.方法 回顾性分析本院343例B超提示前列腺低回声患者行经直肠前列腺穿刺活检术的临床资料.结果 前列腺癌210例,阳性率为61.22％.结论 对B超提示前列腺低回声患者行经直肠前列腺低回声区穿刺活检术,可提高检出率.     

超声引导下经直肠10针前列腺穿刺活检对前列腺癌诊断的研究

目的 探讨超声引导下经直肠10针前列腺穿刺活检术诊断前列腺癌的临床应用价值。方法 回顾性分析104例经直肠10针穿刺活检的可疑前列腺癌患者。在标准6针系统穿刺法基础上改进确定A组穿刺点后,依据前列腺解剖分区,在经直肠B超显示的前列腺冠状切面的两侧外侧区域（B组）及中央区域（C组）增加4针穿刺点,施行前列腺活检,病例标本分别标注送病理学检查。结果 104例患者中42例确诊为前列腺癌,总阳性率为40.4%。其中所设置的A组穿刺位点阳性25例（占总检出阳性的59.5%）,B组位点阳性9例（21.4%）,C组位点阳性8例（19.0%）。假阴性率为4.7%,术后并发症总发生率为15.4%,未出现严重并发症。结论 超声引导下经直肠10针前列腺穿刺活检术安全、可靠,可以作为临床理想的初次前列腺穿刺活检术式之一。     

经会阴前列腺24针饱和穿刺活检与14针活检在PSA＜20μg/L患者中筛检前列腺癌的对比性研究

目的:探讨超声引导下经会阴前列腺24针饱和穿刺活检与14针穿刺活检方案对PSA<20μg/L可疑前列腺癌患者的筛检阳性率及其相关并发症。方法:选取116例可疑前列腺癌患者行经会阴超声引导下14针穿刺活检(14针组),另136例患者,行经会阴24针饱和前列腺穿刺活检(24针饱和组),比较两组前列腺癌筛检阳性率、标本阳性率及穿刺后肉眼血尿、泌尿系感染、尿潴留等并发症的发生率。结果:两组患者平均年龄、穿刺前PSA水平、平均前列腺体积等指标均无统计学差异(P>0.05)。24针饱和组及14针组前列腺癌筛检总体阳性率分别为48.53%和17.24%,存在显著性差异(P<0.001),标本阳性率分别为8.09%和2.83%(P=0.012);其中24针饱和组前列腺尖部肿瘤的检出率(11.76%)显著高于14针组(1.72%,P<0.05)。两组穿刺后尿潴留、泌尿系感染和肉眼血尿等发生率均无统计学差异(P>0.05)。结论:24针经会阴前列腺饱和穿刺活检方法显著提高PSA<20μg/L患者中前列腺癌的筛检阳性率,尤其是增加了前列腺尖部区域的肿瘤筛检阳性率,而并未增加相关并发症。     

盆腔MRI辅助模板定位B超引导下经会阴前列腺穿刺活检术的临床应用

目的:评估盆腔MRI辅助模板定位B超引导下经会阴前列腺穿刺活检术的临床价值和安全性。方法:2015年12月至2018年05月,对164例(PSA10μg/L 28例、PSA 10～20μg/L 56例、PSA 20.01～100μg/L 53例、PSA100μg/L 27例)可疑前列腺癌患者由同一医疗小组实施盆腔MRI辅助模板定位B超引导经会阴前列腺穿刺活检术。患者平均年龄71.2岁,穿刺前均行血清PSA检测、直肠指检以及盆腔前列腺MRI平扫检查。所有患者均接受截石位穿刺,选择静脉全身麻醉或腰麻,均采用X+12针穿刺。结果:所有患者均顺利完成活检操作,活检针数(2～4)+12针;活检时间15～28 min,平均18 min。术后一过性血尿4例,会阴阴囊皮下淤血12例,发热1例,无尿潴留病例。穿刺病理结果:前列腺腺癌95例,导管上皮癌2例;前列腺增生伴间质慢性炎症63例,前列腺不典型增生症4例。PSA 10、10～20、20.01～100、100μg/L组穿刺阳性率分别为25.00%、42.86%、73.58%、100.00%。PSA10μg/L组与PSA10～20μg/L组相比无统计学差异(P=0.086),但与PSA 20.01～100μg/L和100μg/L组相比差异具有统计学意义(P0.01)。结论:与目前常规使用的经直肠前列腺穿刺术相比,盆腔MRI辅助模板定位B超引导下经会阴前列腺穿刺活检术并发症发生率更低,且阳性率显著增高同时穿刺方法更简单易掌握,是诊断前列腺癌的理想方法。     

徒手TRUS引导下经会阴前列腺活检的临床应用探讨

目的:探讨徒手"12+X"法TRUS引导下经会阴前列腺活检术诊断前列腺癌的临床应用价值。方法:2014年12月~2015年12月,对74例可疑前列腺癌患者行经直肠B超引导下18G自动穿刺活检针行双侧外周带12点法系统穿刺,其中直肠指诊(DRE)触及结节24例,超声提示异常回声14例,前列腺核磁提示异常信号30例;前列腺特异性抗原(PSA)<4ng/ml者14例,PSA 4~10ng/ml 25例,PSA>10ng/ml者35例。同时对每个可疑病灶进行1~2针靶向穿刺。回顾性分析穿刺的阳性率和并发症。结果:成功对74例患者进行徒手"12+X"法TRUS引导下经会阴前列腺活检术。年龄43~81岁,中位年龄72岁;PSA 1.9~500ng/ml,中位PSA17.8ng/ml。经病理诊断,前列腺癌23例,阳性率31.1%,穿刺阴性病例中3例TURP术后病理诊断结果为前列腺癌;2例首次穿刺阴性,6个月后重复穿刺时发现前列腺癌。低危前列腺癌(Gleason≤6分)、中危前列腺癌(Gleason=7分)和高危前列腺癌(Gleason≥8分)分别为13.1%、30.4%和56.5%。其余51例为良性前列腺增生或合并前列腺炎症。术后短暂和轻度的肉眼血尿6例(8.1%),均在1~3d后缓解,5例(6.8%)轻度发热,2例(2.7%)会阴部轻度不适。无脓毒症、急性尿潴留等严重并发症的发生。结论:徒手"12+X"法TRUS引导下经会阴前列腺活检安全可行,阳性率稳定,值得在临床上进一步推广。     

经直肠超声引导前列腺穿刺活检术（附136报告）

目的探讨经直肠超声引导前列腺穿刺活检方法及阴性患者随访策略。方法136例患者因血清tPSA〉4ng／ml或伴前列腺硬结接受穿刺活检术。根据前列腺体积或硬结情况分别选择6针、8针或10针穿刺。病理为阴性,但提示HGPIN、ASAP或PSA持续〉4ng／ml,建议3-6个月后重复穿刺活检。结果136例患者共接受1172针活检,平均8．6针。总阳性率为23．5％,其中6针、8针和10针穿刺阳性率分别为0、19．1％和34．5％（P〈0．01）。30例接受了2-3次重复活检,所有重复活检均为阴性。47例患者接受平均3．6年随访,仅1例后经TURP证实为前列腺癌,其余未发现可疑前列腺癌局部或远处转移表现。结论根据超声前列腺形态选择穿刺方案可使绝大部分前列腺癌患者初次穿刺即获得确诊。重复穿刺阳性率低,应注意选择适应症。     

Examination for indication of systematic biopsy for diagnosis of prostate cancer]

BACKGROUND: Systematic biopsy has been commonly used for detection of prostate cancer. Nevertheless, as this examination occasionally gives patients severe complications it is necessary to give careful consideration for application of this examination. Thus, we analyzed retrospectively 145 cases who underwent transrectal ultrasonography (TRUS) guided systematic biopsy to evaluate the application of systematic biopsy, correlating with the findings of digital rectal examination (DRE), prostate specific antigen (PSA), the findings of transrectal ultrasonography (TRUS) and the results of biopsies. METHODS: Between May, 1995 and May, 1997, 143 patients who were suspected to have prostate cancer with either of PSA and DRE, and 2 patients who received visual laser ablation of prostate (VLAP), underwent TRUS guided systematic biopsy of prostate. We evaluated diagnostic efficacy of PSA, DRE, TRUS, prostate-volume-specific PSA, and PSA density (PSAD). RESULTS: Sensitivity, specificity and positive predictive value (P.P.V.) are 78.4%, 62.8% and 53.5% for DRE, 100.0%, 4.4% and 41.8% for PSA, 88.2%, 60.0% and 52.9% for TRUS, 87.8%, 72.1% and 64.2% for prostate-volume-specific PSA, 100.0%, 30.6% and 45.4% for PSAD, respectively. Ten of 69 patients (14.5%) whose PSA levels were 4.0 to 10.0 ng/ml were diagnosed as cancer, and positive for both or either of DRE and TRUS. Twenty-seven who were negative for both of DRE and TRUS were not diagnosed as prostate cancer. Using the combination of prostate-volume-specific PSA, DRE and TRUS, we could eliminate 29 non-cancer men (21.5%) whose PSA level was greater than 4.0 ng/ml from systematic biopsy. CONCLUSION: On the diagnosis of prostate cancer, the combination of prostate-volume-specific PSA, DRE and TRUS is very useful to exclude unnecessary systematic biopsy, if an urologist could be used to and trained for DRE and TRUS.     

Transperineal extended biopsy improves the clinically significant prostate cancer detection rate: A comparative study of 6 and 12 biopsy cores

BACKGROUND: We evaluated the improvement in the rate of prostate cancer detection when using a 12-core transperineal biopsy protocol including transitional zone biopsy. METHODS: Between April 2003 and November 2004, 247 consecutive men underwent transperineal systemic 12-core biopsy of the prostate. Six cores were obtained at the peripheral zone, four at the transitional zone and two at the apex. We examined the cancer detection rate in each of the 12 cores, and also determined the improvement of cancer detection resulting from the extensive 12-core versus standard 6-core biopsy. RESULTS: Using the extensive 12-core biopsy, prostate cancer was detected in 98 cases (39.7%). Prostate-specific antigen (PSA), PSA density, the positive rate in digital rectal examination and transrectal ultrasound findings were significantly higher in the prostate cancer group than in the non-prostate cancer group, and prostate volume was larger in non-prostate cancer group. Every site showed almost the same positive rate, between 17.8 and 21.5%. There were 20 cases which were positive in the extended biopsy, but negative in the sextant. The detection improved significantly (20.4%). The improvement of cancer detection in extended biopsy was better in men with PSA levels of 10 ng/mL or less (28.9%), PSA density 0.3 or less (25.8%), negative digital rectal examination (23.3%), and negative transrectal ultrasound (21.6%). Of these twenty patients, no cases with insignificant tumor were detected in the six prostatectomy cases. In particular, three cases of the six were transitional-zone-only cancer. CONCLUSION: Transperineal extended 12-core biopsy including 4 transitional zone cores is a more useful procedure than transperineal 6-core biopsy. Routine transitional zone biopsy, that is different from transrectal biopsy, might be useful for detecting biologically significant cancer.     

超声引导下经会阴定位模板的前列腺饱和穿刺活检

目的探讨超声引导下经会阴定位模板前列腺饱和穿刺活检的准确性、安全性。方法303例PSA〉4．0ng／ml和（或）DRE异常和（或）前列腺B超、CT或MRI异常者接受经会阴定位模板饱和穿刺活检。年龄35～90岁，平均69．7岁。PSA0．2～3000．0ng／ml，中位数13．7ng／ml。前列腺体积7～190ml，中位数47ml。结果每区活检1～4针，共11～44针，平均23．7针。前列腺癌活检阳性率37．6％（114／303）。PSA0～4．0、4．1～10．0、10．1～20．0、20．1～30．0、30．1～70．0及〉70．0ng／ml者阳性率分别为22．2％（4／18）、8．2％（6／73）、21．6％（22／102）、48．4％（15／31）、68．4％（26／38）及100．0％（41／41）。前列腺体积〈20、20～40、41～60及〉60ml者阳性率分别为68．0％（17／25）、51．4％（54／105）、27．5％（19／69）及23．1％（24／104）。无一例出现严重并发症。结论TRUS引导下经会阴定位模板饱和穿刺活检精确而安全，对于前列腺癌的准确分期有重要意义。     

PSA＞1Ong/ml时经直肠前列腺穿刺活检的临床分析

目的 探讨当PSA＞ 10ng/ml时经直肠前列腺穿刺活检的临床价值。方法 对120例前列腺特异性抗原(PSA)＞ 10ng/ml的患者行超声引导下经直肠前列腺穿刺活检。结果 120例患者中前列腺癌患者46例,前列腺增生患者44例,前列腺炎患者9例,前列腺上皮内瘤(PIN)患者19例,前列腺梗死患者3例。有38例出现一...     

A prospective randomized comparison of diagnostic efficacy between transperineal and transrectal 12-core prostate biopsy

The aim of this study is to elucidate the diagnostic efficacy between transperineal and transrectal 12-core prostate biopsy for prostate cancer. We prospectively randomized 200 consecutive men into two groups to undergo systematic prostate biopsy. Overall positivity for cancer was similar (47% by transperineal and 53% by transrectal; P=0.480). However, in case with 'gray zone' PSA (from 4.1 to 10.0 ng/ml), significantly more cores were positive when approach was transperineal, especially among transition zone cores. Therefore, urologist preferences are sufficient for choosing an approach, except for a possible small advantage of transperineal biopsy when PSA is in gray zone.     

PSA〉10ng／ml时经直肠前列腺穿刺活检的临床分析

目的探讨当PSA〉10ng／ml时经直肠前列腺穿刺活检的临床价值。方法对120例前列腺特异性抗原（PSA）〉10ng／ml的患者行超声引导下经直肠前列腺穿刺活检。结果120例患者中前列腺癌患者46例,前列腺增生患者44例,前列腺炎患者9例,前列腺上皮内瘤（PIN）患者19例,前列腺梗死患者3例。有38例出现一过性肉眼血尿;发热16例;败血症5例;无血精、前列腺脓肿等并发症发生。结论PSA〉10ng／ml不能作为前列腺穿刺活检的绝对指征,应该综合考虑DRE、TRUS、PSA,提高穿刺阳性率,同时避免不必要的穿刺。