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经直肠超声诊断前列腺癌的初步分析 被引量:10

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摘要 目的探讨经直肠超声(TRUS)检查对前列腺癌的诊断价值。方法回顾经直肠超声检查的前列腺癌患者16例,经手术及穿刺取材病理证实,简要归纳经直肠超声下前列腺癌的二维和彩色声像图特征,评价该检查对前列腺癌的价值。结果1.声像图特征:前列腺癌性结节多位于外周区(约86%),病灶较小时多为均匀性低回声或等回声,境界也较清晰,而结节内部血流信号稀疏;癌性结节较大时,可呈多种类型的表现,内部血流丰富,阻力指数较高,平均为0.79。2.16例前列腺癌患者经直肠超声诊断正确13例,诊断符合率81.2%,误诊3例。结论经直肠超声检查前列腺癌的声像图有一定的规律性,可以提高前列腺癌的诊断准确率。
出处 《中国超声诊断杂志》 2006年第4期295-296,共2页 Chinese Journal of Ultrasound Diagnosis
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