Bronchial atresia

Bronchial atresia(선천성 기관지 무형성증, congenital bronchial atresia)은 bronchus의 proximal segment가 focal obliteration 되면서 distal로 hyperinflation을 보이는 선천성 폐질환이다.

Clinical features

• 보통 무증상
• dyspnea

Imaging features

• hyperlucent distal lung segment
• finger in glove

Differential diagnosis

• ABPA; finger in glove 보이나 보통 lucent lesion 없음.
• Other cause of uniliteral hyperlucent lung: Bronchial foreign body, Congenital lobal overinflation, Swyer-James synd