Congenital high airway obstruction syndrome: prenatal ultrasound diagnosis and literature review
Keyword(s):
Congenital high airway obstruction syndrome (CHAOS) is a rare congenital anomaly involving the upper airways (trachea, larynx). It is a life-threatening condition whose true incidence is unknown. The obstruction may be due to tracheal/laryngeal atresia, stenosis, or the presence of a mass lesion. Prognosis is poor, generally resulting in stillbirth or intrauterine fetal demise. Ex utero intrapartum treatment (EXIT) is possible if the condition is detected early. We present a case of CHAOS diagnosed during a second-trimester anomaly scan with postmortem confirmation and literature review.
2015 ◽
Vol 17
(1)
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pp. 115
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2000 ◽
Vol 10
(05)
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pp. 328-333
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2018 ◽
Vol 100
(8)
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pp. e223-e225
2018 ◽
Vol 27
(2)
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pp. 103-106
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2003 ◽
Vol 112
(7)
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pp. 651-653
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