Clubfoot (talipes equinovarus) is a common orthopaedic malformation that can be accurately diagnosed prenatally. The study was conducted to investigate possible in utero visualization of transient and late-onset clubfoot. Early (13-16 weeks' gestation) prenatal transvaginal sonographic diagnosis of clubfoot deformity was made in 36 cases during the study period. Only those cases where follow-up examination revealed different sonographic findings were considered. The results showed that seven cases of transient (as well as relapsing) clubfoot were identified. In 4 of 7 cases, the clubfoot resolved (all after more than 10 min of observation) during the same examination. In the fifth and sixth cases, it initially resolved, later reappearing in follow-up examinations (20 and 22 weeks' gestation). In the seventh case, the clubfoot persisted for two consecutive examinations (2 weeks apart each) and later disappeared. In addition, six late-onset (22-24 weeks' gestation) clubfoot cases were identified during the study period. Although infrequent, in utero clubfoot can be both a transient and a late-onset phenomenon. Over- and under-diagnosis are potential hazards in these situations.

译文

马蹄内翻足 (马蹄内翻足) 是一种常见的矫形畸形,可以在产前准确诊断。进行这项研究是为了研究子宫内短暂性和迟发性马蹄内翻足的可能性。在研究期间,对36例马蹄内翻足畸形进行了早期 (妊娠13-16周) 产前经阴道超声诊断。仅考虑那些随访检查显示超声检查结果不同的情况。结果表明,发现了7例短暂性 (以及复发性) 马蹄内翻足。在7例中的4例中,在同一检查中,马蹄内翻足消退 (所有观察超过10分钟后)。在第五和第六例中,它最初得到解决,后来在后续检查中再次出现 (妊娠20和22周)。在第七例中,马蹄内翻足持续进行了两次连续检查 (每次间隔2周),后来消失了。此外,在研究期间还发现了6例迟发性 (妊娠22-24周) 马蹄内翻足病例。尽管很少出现,但子宫内的马蹄内翻足既可以是短暂现象,也可以是迟发现象。在这些情况下,过度诊断和诊断不足是潜在的危险。

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