Additional pediatric resources: GeneralPediatrics.com | PediatricEducation.org | SearchingPediatrics.com
Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
Etiology/Pathophysiology:
Felt to be due to adenovirus infections that are severe.
Pathology:
Necrotizing bronchiolitis with obliteration of terminal bronchioles
and maintenance of peripheral alveoli.
Imaging Findings:
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.
DDX:
References:
See References Chapter.
Additional pediatric resources: GeneralPediatrics.com | PediatricEducation.org | SearchingPediatrics.com
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