20 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
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... - Imaging: • CXR ... : Peripheral distribution ... lower lung zone, GGO ... #ILD #diagnosis
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Centrilobular distribution ... Hypersensitivity pneumonitis ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #GroundGlass #Differential
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 #
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
pattern in a mosaic distribution ... The differential ... diagnosis is hypersensitivity ... #Clinical #Radiology ... #CTChest #GGO #
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
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pneumonia • DM risk ... Pneumonitis 3. ... Lung Abscess - Clinical ... seen • Chest CT ... Lung #Abscess #pulmonary