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首页> 外文期刊>Journal of Clinical Ultrasound: JCU >Usefulness of three-dimensional ultrasonography in the prenatal evaluation of acromelic deviations.
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Usefulness of three-dimensional ultrasonography in the prenatal evaluation of acromelic deviations.

机译：三维超声检查在产前评估肢端畸形的有用性。

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The increasing use of three-dimensional sonography (3D US) in clinical practice has focused attention on the role that this kind of imaging may play in the evaluation of fetal abnormalities. We would like to emphasize its benefit in the evaluation of fetal limb extremity malformations previously suspected by two-dimensional sonography (2D US). As far as the upper limbs are concerned, our previous report concerning a case of isolated bilateral radial dysplasia highlighted that a persistent abnormal hand posture and a fixed flexion of the wrist, typical of this condition, was better demonstrated by 3D US. However, this deformity is uncommon and few physicians will have the opportunity to observe it in their practice. In contrast, the finding of a foot fixed in adduction, supination and varus (clubfoot), is more frequent (1-3:1000), and all sonographers may come across this birth defect in their daily practice and may therefore benefit from the use of this new technology. This malformation, which is bilateral in 50% of cases, more frequently affects boys and may be isolated or associated with genetic syndromes or other major structural abnormalities including cleft palate, congenital heart disease, inguinal hernia, or dislocation of the hip. In addition to genetic factors, there are extrinsic causes including severe oligohydramnios or amniotic bands. Although this malformation is most often isolated, physicians should search for other associated findings. Isolated idiopathic clubfoot may be classified based on the age of prenatal detection. It ranges in severity from mild forms, which often do not require surgical treatment, moderately severe forms, and severe forms.
机译：三维超声检查（3D US）在临床实践中的使用日益增加，已将注意力集中在这种成像可能在评估胎儿异常中所起的作用。我们想强调其在评估二维超声检查（2D US）以前怀疑的胎儿肢体肢端畸形中的好处。就上肢而言，我们先前关于孤立的双侧radial骨发育不良的病例的报告强调指出，这种情况的典型表现是持续的异常手势和腕部固定屈曲，这种情况在3D US中得到了更好的证明。但是，这种畸形并不常见，几乎没有医生有机会在实践中对其进行观察。相反，发现内固定，旋后和内翻（马蹄内翻）固定的脚的频率更高（1-3：1000），并且所有超声医师在日常实践中都可能遇到这种先天性缺陷，因此可能会受益于使用这项新技术。这种畸形在50％的病例中是双侧的，更经常影响男孩，并且可能是孤立的或与遗传综合症或其他主要结构异常有关，包括c裂，先天性心脏病，腹股沟疝或髋关节脱位。除遗传因素外，还有其他外在原因，包括严重羊水过少或羊膜带。尽管这种畸形通常是孤立的，但医生应搜索其他相关发现。孤立的特发性马蹄内翻足可根据产前检查的年龄进行分类。它的严重性从轻度形式（通常不需要手术治疗），中度严重形式和严重形式不等。

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