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Clinical and Experimental Obstetrics & Gynecology  2019, Vol. 46 Issue (5): 828-830    DOI: 10.12891/ceog4787.2019
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Tracheal stenosis due to vascular rings: its possible prenatal diagnosis based on four cases of vascular rings with or without eventual tracheal stenosis
D. Matsubara1, H. Takahashi2, *(), K. Kataoka1, T. Minami1, R. Furukawa3, S. Matsubara2, T. Yamagata1
1Department of Peditarics, Jichi Medical University, Tochigi, Japan
2Department of Obstetrics and Gynecology, Jichi Medical University, Tochigi, Japan
3Department of Radiology, Jichi Medical University, Tochigi, Japan
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Abstract  

Vascular rings encircle the trachea and esophagus, and sometimes compress these organs, causing trachea/esophagus-compression-related symptoms. Four fetuses were diagnosed with vascular rings and treated in this tertiary institute. One infant showed the manifestation of tracheal stenosis after birth, whereas the remaining three did not. The authors analyzed the relationship between pre- vs. post-natal images and postnatal tracheal stenosis. In the infant with tracheal stenosis, a three-vessel tracheal (3VT) view by fetal echocardiography clearly showed the tracheal wall; however, a tracheal lumen was not evident. In the other three infants without tracheal stenosis, the tracheal walls were clearly observable and an echolucent tracheal lumen was evident. Fetal MRI also showed the loss of the continuity of the tracheal lumen. These two findings, an invisible tracheal lumen on fetal echocardiography and loss of tracheallumen-continuity on fetal MRI, may indicate tracheal stenosis and accompanying air-way-obstruction symptoms.

Key words:  Fetal echocardiography      Magnetic resonance imaging      Three-vessel tracheal view      Tracheal stenosis      Vascular ring     
Published:  10 October 2019     
*Corresponding Author(s):  H. TAKAHASHI     E-mail:  hironori@jichi.ac.jp

Cite this article: 

D. Matsubara, H. Takahashi, K. Kataoka, T. Minami, R. Furukawa, S. Matsubara, T. Yamagata. Tracheal stenosis due to vascular rings: its possible prenatal diagnosis based on four cases of vascular rings with or without eventual tracheal stenosis. Clinical and Experimental Obstetrics & Gynecology, 2019, 46(5): 828-830.

URL: 

https://ceog.imrpress.com/EN/10.12891/ceog4787.2019     OR     https://ceog.imrpress.com/EN/Y2019/V46/I5/828

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