CXR-
1) 1-3 mm round well-defined nodules in the posterior portion of upper 2/3 rd of lungs , symmetric
-Sometimes calcified
-With time the nodules increase in size and number and may involve all zones
2) Reticular pattern may also be noted
CT-
1) Centrilobular micronodules
-Upper zone preponderance (spreads anteriorly and inferiorly as the disease progresses
-Subpleurally the nodules may cluster to form “pseudoplaques”
-Larger nodules may calcify
No comments:
Post a Comment