The Common Vein Copyright 2008
Ashley Davidoff MD
Definition
A round or ovoid, poorly defined pulmonary opacity 4-8 mm in diameter, presumed to represent
Acinar Shadow
The Common Vein Copyright 2008
Ashley Davidoff MD
Definition
A round or ovoid, poorly defined pulmonary opacity 4-8 mm in diameter, presumed to represent
a pulmonary acinus rendered opaque by consolidation.
vs. Tree-in-Bud:
“Tree-in-bud” appearance represents dilated and fluid-filled (i.e. pus, mucus, or inflammatory exudate) centrilobular bronchioles.
a pulmonary acinus rendered opaque by consolidation.
vs. Tree-in-Bud:
“Tree-in-bud” appearance represents dilated and fluid-filled (i.e. pus, mucus, or inflammatory exudate) centrilobular bronchioles.