6 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 ... HRCT #ChestCT #Differential ... #Table #Distribution
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Radiology #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... listed in the table ... Radiology #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Pneumonitis 3. ... shows a small, stable ... Abscess Differential ... Abscess #pulmonary #differential
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Hypersensitivity Pneumonitis ... throughout the whole lung ... Diagnosis #Radiology #CTChest ... #RadiologyAssistant
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Domestic and wild ... infections • ... • Dyspnea, • Chest ... diagnosis • Microbiologic ... #differential #