结果：盆腔静脉曲张症患者盆腔内可见网络样无回声区及丛状或“彩球”样彩色血流信号，正常组未见上述改变。
Results: The patients with pelvic varicosis showed network like, non echo areas and plexiform or color ball shaped blood flow signals which were not found in control group.
结果肺血栓栓塞症临床表现多样化，超声心动图直接依据是肺动脉主干及左右分支内血栓回声；
Results The direct signs of PTE in echocardiography were the thrombus echo in the main pulmonary artery and the right and left branches of pulmonary artery.
结论：B超对隐睾的位置、大小、内部回声的诊断确切，而且超声检查无损伤、无痛苦、简便、经济、可重复，可作为隐睾症的首选影像学检查方法。
Conclusions: For cryptorchism, B-ultrasonography is a simple, safe and effective, and repeatable diagnostic method, may be the image method of first choice.
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