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centrilobular emphysema

 

Definition: emphysema affecting the central portion of secondary pulmonary lobules, around the central bronchiole, typically involving the superior part of the lungs or lobes; may be related to inflammation of the bronchioles and to the effects of inhaled dust, which aggregates next to respiratory bronchioles; seen in coalworker's pneumoconiosis and (in mild form) asymptomatic city dwellers.

Synonym(s): centriacinar emphysema, proximal acinar emphysema

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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