Very rare disease with pathological dilatation of peripheral airways.
Congenital disorders, a possible secondary cause is believed to be bronchomalacia following adenovirus infection.
The cause is believed to be attentuation or absence of bronchial cartilage.
CT > Radiography.
Dilatation of peripheral bronchial airways of the fourth to sixth generation.
Increased peribronchial markings.
Thin-walled tubular and cytic opacities.
Bronchial wall thickening and mucus plugs, especially in case of exacerbation.
Signs of bronchomalacia with ballooning of bronchial walls in inspiration and collapse in expiration.
Dynamic CT may be done to confirm a diagnosis of bronchomalacia.
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