44 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... edema #Diagnosis #Radiology ... HRCT #ChestCT #Differential
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
other interstitial pneumonias ... Organizing Pneumonia - Clinical ... Hypersensitivity pneumonitis ... BOOP #pulmonary #ILD ... #diagnosis #management
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential
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 ... Abscess Differential
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... in the proper clinical ... densities iin the left lung ... On the CT cavitation ... #Clinical #Radiology
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... #Clinical #Radiology ... #Interstitial #Pneumonitis ... #ILD #RadiologyAssistant
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... #Clinical #Radiology ... #Interstitial #Pneumonitis ... LowerLungPredominance #ILD
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... Pneumonia: • Risk ... AIDS #pulmonary #differential
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Sign on Chest CT ... bronchiolitis, aspiration pneumonitis ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical #tree
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... throughout the lungs ... #differential # ... pulmonary #CXR #clinical ... #CT