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目的探寻早期诊断前列腺癌的方法。方法应用超声弹性成像(UE)技术,对56例前列腺增生伴PSA增高或正常患者,同时行经直肠前列腺二维超声及UE检查,比较普通经直肠超声检查联合PSA与UE联合PSA对前列腺癌诊断的敏感性和特异性。结果以穿刺活检为判断前列腺癌的标准,UE联合PSA无论是敏感性(75.0%)、特异性(85.0%)和符合率(82.1%)均高于普通经直肠超声检查联合PSA敏感性(62.5%)、特异性(15.0%)和符合率(28.6%),差异具统计学意义(P<0.05)。结论 UE无痛无创,简便易行,其与PSA相结合对前列腺癌的诊断,比经直肠超声检查联合PSA更具有临床价值,值得推广。
Objective To explore the method of early diagnosis of prostate cancer. Methods 56 patients with benign prostatic hyperplasia (PSA) or normal PSA were treated by sonography (UE) simultaneously with transrectal two-dimensional ultrasonography and UE. Compared with common transrectal ultrasonography, PSA and UE combined with PSA in the diagnosis of prostate cancer Sensitivity and specificity. Results The biopsy of the prostate was the standard of prostate cancer assessment. The sensitivity, specificity and coincidence rate of UE combined with PSA were both 75.0%, 85.0% and 82.1% %), Specificity (15.0%) and coincidence rate (28.6%), the difference was statistically significant (P <0.05). Conclusions UE is painless and noninvasive, simple and easy to be operated. Combined with PSA, it is more valuable to diagnose prostate cancer than transrectal ultrasonography and PSA.