Tags: Disease.
Bronchomalacia is a term for weak cartilage in the walls of the bronchial tubes occurring in children under six months presented with noisy breathing and/or wheezing. There is collapse of a main stem bronchus on exhalation. There are two types of Bronchomalacia. Primary Bronchomalacia is due to a deficiency in the cartilaginous rings. Secondary Bronchomalacia may occur by extrinsic compression from an enlarged vessel a vascular ring or a bronchogenic cyst.