Clinical significance of small echogenic foci in intracavitary fetal heart 胎儿心腔内微小强回声灶的临床意义
2.
From 11 weeks , the brightly echogenic choroid plexuses filling the large lateral entricles are the most prominent intracranial structures 从11周开始，表现为强回声的脉络丛充满大的侧脑室是这个时期最明显的颅内结构。
3.
Figure 20 . a , enlarged inguinal lymph node . note the echogenic hilum . b , color doppler scan reveals the vascular hilum of the lymph node 图20 ， a ，腹股沟淋巴结增大，注意淋巴结门的回声。 b ，彩色多普勒扫描显示淋巴结的血管门。
4.
Figure 11 . a , urachal cyst . the cyst is infected and contains faintly echogenic fluid . b , urachal cyst . the anterior wall of the tense cyst produces reerberation artifacts 图11a ，脐尿管囊肿，此囊肿已受感染，内部含有微弱回声的液体。 b ，脐尿管囊肿，紧绷的囊肿前壁产生反射伪影。
5.
Figure 11 . a , urachal cyst . the cyst is infected and contains faintly echogenic fluid . b , urachal cyst . the anterior wall of the tense cyst produces reverberation artifacts 图11a ，脐尿管囊肿，此囊肿已受感染，内部含有微弱回声的液体。 b ，脐尿管囊肿，紧绷的囊肿前壁产生反射伪影。
6.
Previous case reports have demonstrated identical us findings in both entities , with bilateral renal enlargement , echogenic cortex and medulla , loss of cortico - medullary differentiation , and small cortical macroscopic cysts < 1 , 2 > 以往的病例报道揭示了这两种疾病在超声表现上的相同之处，即双肾扩大、皮髓质回声的差异消失以及肉眼可见的小的皮质囊肿< 1 , 2 > 。
