31 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... is seen in: - UIP ... #Pulmonary #HRCT ... #ChestCT #Differential
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest ... CT 1. ... Organizing Pneumonia ... #Pulmonary #ChestCT ... #radiology #CTChest
Usual Interstitial Pneumonia (UIP) pattern on Chest CT
75 M with progressive dyspnea. Typical usual interstitial pneumonia
Chest CT 75 M ... Idiopathic pulmonary ... #UIP #IPF #ChestCT ... #radiology #pulmonary ... #clinical
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Hypersensitivity Pneumonitis ... Smoking, Alpha-1- ... HiRes #HighRes #Chest ... #radiology
On the left a chest film of a patient with UIP due to IPF.
The findings on
On the left a chest ... findings on the chest ... Whenever you see a chest ... #Clinical #Radiology ... #CXR #CTChest #
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Hypersensitivity Pneumonitis ... show very similar HRCT ... throughout the whole lung ... #Clinical #Diagnosis ... #Radiology #CTChest
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Tree-in-Bud Sign on Chest ... bronchiolitis, aspiration pneumonitis ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical #tree
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
including: 1. ... Pleuritic chest ... Exclusion of other ILDs ... reticular opacities on chest ... confirmatory findings on HRCT
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Bronchogram Sign on Chest ... edema, severe ILD ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical