Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
Felt to be due to adenovirus infections that are severe.
Necrotizing bronchiolitis with obliteration of terminal bronchioles and maintenance of peripheral alveoli.
The initial diagnosis is made radiographically. A small or normal sized hyperlucent lung that changes little in volume during inspiration and expiration is seen. Bronchography shows bronchiectasis with failure to fill terminal airways and air sacs. Lung perfusion scintigraphy shows decreased perfusion to the involved lung. Lung inhalation scintigraphy shows delayed wash-in of radiotracer and prolonged air trapping during wash-out.
See References Chapter.
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