centrilobular emphysema

(redirected from proximal acinar emphysema)
Also found in: Encyclopedia.

cen·tri·lob·u·lar em·phy·se·ma

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.

centrilobular emphysema

cen·tri·lob·u·lar em·phy·se·ma

(sen'tri-lob'yū-lăr em'fi-sē'mă)
Emphysema affecting the lobules around their central bronchioles, causally related to bronchiolitis, and seen in coal-miner's pneumoconiosis.
Synonym(s): centriacinar emphysema.