26 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... edema #Diagnosis ... #Radiology #Pulmonary ... #Table #Distribution
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... perilymphatic distribution ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
most typical of pulmonary ... it is seen in pneumonias ... #Diagnosis #Radiology ... #CXR #Batwing # ... Differential #RadiologyAssistant
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
cardiogenic edema, to differentiate ... Look for other signs ... heart failure like redistribution ... #Diagnosis #Radiology ... #Pulmonary #CXR
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... - Imaging: • CXR ... : Peripheral distribution ... Organizing Pneumonia - Diagnosis ... #ILD #diagnosis
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Tree-in-Bud Sign ... bronchiolitis, aspiration pneumonitis ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical #tree
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
dealing with the differential ... diagnosis of chronic ... #Clinical #Radiology ... #CXR #Peripheral ... #Distribution #
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... #differential # ... diagnosis #pulmonary ... #CXR #clinical ... #CT
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... diagnosis is to ... the pattern of distribution ... #Diagnosis #Radiology ... #Pulmonary #CXR