18 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... Smoking related diseases ... bronchiolitis (RB-ILD ... #ChestCT #Differential ... #Table #Distribution
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
interstitial lung ... ConnectiveTissueDiseases #ILD ... LungDisease #CTILD #Diagnosis ... #Differential # ... Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... disease comes from ... low attenuation (table ... disease and what
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... #Clinical #Diagnosis ... Radiology #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... or interstitial lung ... Hypersensitivity pneumonitis ... bronchiolitis #Diagnosis ... #GroundGlass #Differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... pneumonia • DM risk ... Pneumonitis 3. ... 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 ... Pneumonitis. ... show very similar HRCT ... throughout the whole lung ... #Radiology #CTChest
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... Disease by CD4 ... angioinvasive disease ... Pneumonia: • Risk
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
named Hamman Rich Pneumonitis ... rare idiopathic lung ... suggestive of the diagnosis ... Clinical #Radiology #CTChest ... AcuteInterstitialPneumonia #ILD