Alveolar abnormalities

Definition

Alveolar abnormalities are changes in the tiny air sacs in the lungs, called alveoli. The alveoli allow oxygen to enter the blood. These air sacs may collapse, fuse together, or develop thickened membranes, making it difficult for oxygen to enter the blood.

Mason RJ, Broaddus VC, Murray JF, Nadel JA. Murray and Nadel's Textbook of Respiratory Medicine. 4th ed. Philadelphia, Pa:Saunders; 2005.

Paterson A. Imaging evaluation of congenital lung abnormalities in infants and children. Radiol Clin North Am. February 2004;125:669-682.