5 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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- Lung cysts (LAM ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Diagram #Comparison ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... edema #Diagnosis ... #Radiology #Pulmonary ... RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... Centrilobular emphysema ... #Differential #Comparison ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... #Radiology #Pulmonary ... #Differential # ... Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... : reticular, nodular ... low attenuation (table ... #Diagnosis #Radiology ... #Pulmonary #CXR