Colour of tissue in Xray
Air-black
Fat,water,soft tissue-grey
Bone-white
Which sign on xray
Consolidation
Consolidation signs on CXR
-air bronchogram sign= increased density. Tubular air filled bronchi made obvious
-silhouette sign= loose silhouette because density between lung and other tissues are not as easily visible. Cant see boarders very well.
Explain picture
Nodular pattern