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前列腺癌经直肠超声图像特征表现与PSA及临床分期探讨 被引量:10

The PSA and clinical staging with performance and characteristic of transrectal ultrasonography for diagnosing prostate carcinoma
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摘要 目的:系统的观察及探讨前列腺癌(PCa)经直肠超声(TRUS)图像特征与PSA及临床分期表现。方法:应用TRUS对临床拟诊为PCa患者进行检查,然后在TRUS引导下行前列腺穿刺,方法为系统6点加可疑结节处穿刺法,并与PSA、病理结果及临床分期进行对照比较。结果:经病理证实的145例PCa声像图有一定的特征表现:与临床(Whitmore-Jewett法)分期对照,A期的特点可分为外腺区的轻度回声不均及小低回声结节;B期的主要特点为前列腺外腺区见低回声带、低及近等回声结节等;C期与D期的表现比较相似,为多结节及弥漫浸润型,内外腺分界不清,前列腺内见弥漫散在砂粒状钙化强回声,或以周缘区明显,且形态不规则、包膜不完整、局部向外隆起结节等。A、B、C、D期的血清PSA水平均值分别为(11.57±9.46)ng/m L、(24.69±23.35)ng/m L、(69.48±53.73)ng/m L、(439.37±502.17)ng/m L,认为血清PSA有助于A、B两期与C、D两期区分,也有助于C期、D期分别与其它三期区分,说明血清PSA对PCa弥漫性癌变及向囊外浸润(C期)及骨转移(D期)的预测更有价值。结论:TRUS能清晰显示前列腺内部结构,并有一定的临床分期的声像图特征性表现,结合PSA有助于提高对PCa临床分期的能力及诊断水平。
出处 《中国临床医学影像杂志》 CAS 2014年第12期897-900,共4页 Journal of China Clinic Medical Imaging
基金 广西自然科学基金项目面上项目(No:2011GXNSFA018295)
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参考文献5

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共引文献17

同被引文献77

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