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首页> 外文期刊>Journal of Clinical Ultrasound: JCU >Echogenic fetal lung masses: Comparison of prenatal sonographic and postnatal CT findings.
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Echogenic fetal lung masses: Comparison of prenatal sonographic and postnatal CT findings.

机译：Echogenic胎儿肺部肿块：产前超声检查和产后CT检查结果的比较。

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PURPOSE: The aim of this retrospective study was to compare changes in size and appearance of fetal lung masses detected on prenatal sonography with those on postnatal CT. PATIENTS AND METHODS: Sixteen fetuses with echogenic lung masses had undergone serial sonography in utero as well as postnatal CT scanning. Changes in size of the masses were determined by comparing initial and follow-up sonograms. The appearance of the lesions on postnatal CT scans was classified as consolidation, cavity, ground-glass opacity, or atelectasis. All sonographic and CT findings were analyzed by 2 experienced radiologists who were unaware of previous imaging results. RESULTS: The initial mean size of the fetal lung masses on prenatal sonography was 31 (anteroposterior dimension) x 25 (width) x 36 (craniocaudal length) mm. Follow-up serial sonography revealed complete regression of 10 masses, no change in 4, partial regression of 1, and increased size in 1. On postnatal chest CT, the mean mass size was 32 x 22 x 28 mm; 6 lesions showed no size change from that on the initial sonograms, 6 showed partial regression, and 4 showed an increase in size. Of the 10 cases with apparently complete regression on prenatal sonography, all showed positive findings on postnatal CT. CONCLUSIONS: The discrepancy between prenatal sonographic and postnatal CT findings supports the assumption that regression of lung masses during serial prenatal sonographic follow-up does not always indicate their complete regression.
机译：目的：这项回顾性研究的目的是比较在产前超声检查和产后CT检查中发现的胎儿肺部肿块的大小和外观变化。患者与方法：16例具有回声肺质量的胎儿在子宫内进行了连续超声检查，并进行了产后CT扫描。肿块大小的变化是通过比较初始和后续超声检查图来确定的。产后CT扫描上的病变外观分为实变，腔，玻璃样混浊或肺不张。由两名经验丰富的放射科医生对所有超声检查和CT检查结果进行了分析，他们不知道以前的成像结果。结果：在产前超声检查中，胎儿肺部肿块的初始平均大小为31（前后尺寸）x 25（宽度）x 36（颅尾长度）mm。后续的超声检查显示完全消退10个肿块，4个无改变，1个消退，1个肿块增大。产后胸部CT的平均肿块大小为32 x 22 x 28 mm;与最初的超声检查相比，有6个病变没有显示大小变化，有6个显示部分消退，有4个显示增大。在产前超声检查中明显完全消退的10例病例中，所有在产后CT上均显示阳性结果。结论：产前超声检查与产后CT检查结果之间的差异支持这样的假设，即在连续的产前超声检查中肺部肿块的消退并不总是表明其完全消退。

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