18 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
pneumonia (COP), chronic ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... #Diagnosis #Radiology ... #Pulmonary #CXR ... Interstitial #Pattern #Differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Diagnosis Framework ... Pneumonia, COP, Chronic ... #Diagnosis #pulmonary ... #radiology
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO # ... #GroundGlass #Differential
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
or tumor cells (Table ... Even fibrosis as ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Consolidation #Differential
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
Onset 50 yrs - Cranial ... sinusitis - pulmonary ... Coronaries #Arteritis #Differential ... #Diagnosis #Cardiology ... #Table
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
histologic pattern of pulmonary ... fibrosis. ... to confirm the diagnosis ... attributed to chronic ... #Clinical #Radiology
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... show very similar HRCT ... In chronic HP fibrotic ... #Clinical #Diagnosis ... #Radiology #CTChest
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Causes: • Cystic fibrosis ... parenchyma Diagnosis ... : • HRCT (high-resolution ... #differential # ... diagnosis
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest