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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。
Objective To investigate the clinical value of ultrasound-guided transrectal 10-pin prostatic biopsy in the diagnosis of prostate cancer. Methods A retrospective analysis of 104 patients with suspected prostate cancer who underwent 10-needle rectal biopsy of the rectum was performed. On the basis of the standard 6-needle system puncture method, based on the prostatic anatomical zonation, the lateral region (B group) and the central region (C group) of the coronal plane of the prostate revealed by transrectal B- Needle puncture point, the implementation of prostate biopsy, case specimens were marked for pathological examination. Results Of the 104 patients, 42 were diagnosed as prostate cancer with a total positive rate of 40.4%. Among them, 25 cases (19.5%) were positive in group A, 9 cases were positive in group B (21.4%) and 8 cases were positive in group C (59.5% of the total). False negative rate was 4.7%, the total incidence of postoperative complications was 15.4%, no serious complications. Conclusion Ultrasound-guided transrectal 10-pin prostatic biopsy is safe and reliable and can be used as a clinical ideal first prostatic biopsy.