Pulmonary artery sling (PAS) and tracheal agenesis (TA) are both very rare diseases. Most of PAS are associated with tracheal bronchial malformations. However, PAS associated with TA have not yet been reported so far. Here, we report one case of PSA associated with TA diagnosed prenatally in our hospital. Due to the extremely low incidence of two diseases, physicians do not have sufficient understanding of these disease, prenatal ultrasound examination found that these kinds of diseases are very challenging and confusable. Prenatal ultrasound and MRI examination of pulmonary artery branches, trachea and esophagus will provide useful information. Improving the accuracy of prenatal fetal diagnosis is helpful for perinatal management and counseling.
Pulmonary artery sling (PAS) and tracheal agenesis (TA) are rare diseases, and most cases of PAS are associated with tracheal bronchial malformations. However, PAS associated with TA is yet to be reported. We report a case of PAS with TA diagnosed prenatally. Due to the extremely low incidence, physicians do not have sufficient understanding of these diseases and it is challenging to diagnose these diseases by prenatal ultrasound, with high rates of misdiagnosis. Prenatal examination of the pulmonary artery branches, trachea, and esophagus is useful; therefore, improving the accuracy of prenatal diagnosis will help in perinatal management and counseling.
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