1
Q
Differentials of mosaic attenuation:
A
Mosaic perfusion/oligemia [geographic low attenuation with small/paucity of vessels
-obstructive airway disease: bronchiectasis
-occlusive vascular: chronic PE, chronic thromboembolic pul HTN
GGO
- other vascular: pulmonary edema/hemorrhage
- parenchymal disease: acute/subacute infection.
