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Situs inversus, a condition in which the major visceral organs are reversed from their normal positions in the body, can be detected by prenatal ultrasonography. Often benign, it may be associated with primary ciliary dyskinesia, an autosomal recessive disorder characterized by chronic respiratory disease. Yet, prenatal diagnosis of primary ciliary dyskinesia has not been reported. We describe a pregnancy in which situs inversus was diagnosed by fetal ultrasound at 20 weeks gestation. Prenatal testing for primary ciliary dyskinesia led to the discovery that both parents were asymptomatic carriers of a pathogenic mutation in the CCDC103 gene, with an affected neonate. © 2020 Wiley Periodicals, Inc.


Richard M Burwick, Shravya Govindappagari, Pedro A Sanchez-Lara. Situs inversus totalis and prenatal diagnosis of a primary ciliary dyskinesia. Journal of clinical ultrasound : JCU. 2021 Jan;49(1):71-73

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PMID: 32447765

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