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Case Reports in Radiology
Volume 2012, Article ID 616905, 4 pages
http://dx.doi.org/10.1155/2012/616905
Case Report

Prenatal Diagnosis and Pathology of Laryngeal Atresia in Congenital High Airway Obstruction Syndrome

1Department of Obstetrics and Gynaecology, Ramathibodi Hospital, Faculty of Medicine, Mahidol University, 270 RamaVI Road, Phayathai, Rajthevee, Bangkok 10400, Thailand
2Department of Pathology, Ramathibodi Hospital, Faculty of Medicine, Mahidol University, 270 RamaVI Road, Phayathai, Rajthevee, Bangkok 10400, Thailand
3Women Center, Bumrungrad International Hospital, 33 Sukhumvit 3, Wattana, Bangkok 10110, Thailand

Received 19 November 2012; Accepted 13 December 2012

Academic Editors: M. Hashimoto and L. Lampmann

Copyright © 2012 Piya Chaemsaithong et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Congenital high airway obstruction syndrome is a rare but life-threatening condition. Therefore, prenatal diagnosis is important. The obstruction can be due to laryngeal/tracheal atresia or external compression. While a differential diagnosis with congenital cystic adenomatoid malformation (CCAM) type III may be difficult, it is still possible with ultrasonography. In this study, we report a case of bilateral echogenic lungs with hydrops fetalis. After the prenatal diagnosis of laryngeal atresia, the couple opted to have an elective termination of pregnancy performed at 20 weeks of gestation. The diagnosis was confirmed by a complete pathological examination.