Diagram Alveolar Proteinosis

Position of Disease
Perihilar distribution
Ashley Davidoff MD TheCommonvein.net lungs-0770
Alveolar Proteinosis
Accumulation of proteinaceous material in the alveoli, impairing gas exchange and leading to respiratory failure. Extensive thickening of interlobular septa leading to crazy paving appearance.  Half filled alveoli lead to ground glass appearance
Ashley Davidoff TheCommonVein.net lungs-0738b