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Congenital bronchial atresia is an anomaly characterized by a mucocele associated with a blindly terminating segmental or lobar bronchus. We report on a case of congenital atresia of the left superior segmental bronchus (B6) followed by fetal ultrasonography, which showed a large simple cyst with a surrounding small echogenic area. A large cyst and persistent lung fluid in the affected segment were noted in the early neonatal period.
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Kamata et al. (2003) studied this question.
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