11 results
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... the result of air ... ) or interstitial ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Cardiogenic pulmonary ... bronchovascular interstitium ... Cardiogenic pulmonary ... #Differential #Comparison ... #Table #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
other interstitial ... , cavities • HRCT ... eosinophilia pneumonia, Pulmonary ... Pneumonia #COP #BOOP #pulmonary ... #ILD #diagnosis
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... morphologic findings on HRCT ... Diagnosis #Radiology #Pulmonary ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
gravitational and ... peribronchovascular interstitium ... Alveolar proteinosis ... Reticular #Pattern #Comparison ... #Table #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
pulmonary edema ... alveolar proteinosis ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Differential #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... peribronchovascular interstitium ... Diagnosis #Radiology #Pulmonary ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
honeycombing (left) and ... centrilobular emphysema. - Alveolar ... show very similar HRCT ... #CTChest #UIP #Comparison ... #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... characterized by diffuse alveolar ... aswell as the HRCT ... AcuteInterstitialPneumonia #ILD ... #RadiologyAssistant
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
(e.g., chronic interstitial ... macrophages in alveolar ... Most commonly: Interstitial ... Exclusion of other ILDs ... confirmatory findings on HRCT