distal acinar emphysema

par·a·sep·tal em·phy·se·ma

emphysema involving the periphery of the pulmonary lobules.

distal acinar emphysema

one of the principal types of emphysema, limited to the distal ends of the alveoli along the interlobular septa and beneath the pleura, forming bullae. Also called interlobular emphysema, paraseptal emphysema. See also bullous emphysema .