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mucoid impaction of bronchus


Definition: plugging of the lumen of bronchi as a result of thickened mucus, interfering with ventilation of corresponding lung segments and leading to characteristic clustered linear and grapelike radiologic densities and occasionally atelectasis and pneumonia; characteristically seen in cystic fibrosis but it can occur in a variety of other disease states.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.