21 results
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
- Differential Diagnosis ... Acute Eos PNA • Chronic ... Pneumonia, COP, Chronic ... #Differential #Diagnosis ... #pulmonary #radiology
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... Variable attenuation ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Causes: • Cystic fibrosis ... in the adjacent lung ... hypertension • Mosaic attenuation ... of the affected lung ... parenchyma Diagnosis
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
Mosaic attenuation ... due to chronic ... thromboembolic disease #Diagnosis ... #Radiology #Pulmonary ... #CTChest #MosaicAttenuation
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Radiation C - Cystic Fibrosis ... caused by a rigid chest ... clearance: - Cystic Fibrosis ... aspergillosis - Chronic ... #differential #diagnosis
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... Signs of fibrosis ... mid and lower lung ... #Clinical #Radiology ... #CTChest #Chronic
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Cheese Sign on Chest ... normal and high attenuation ... Cheese #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
) Differential diagnosis ... In chronic HP fibrotic ... throughout the whole lung ... #Clinical #Diagnosis ... #Radiology #CTChest
Galaxy Sign on Chest CT
 • Coalescent granuloma with a central dense mass and tiny peripheral
Galaxy Sign on Chest ... progressive massive fibrosis ... Galaxy #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Based on the images alone, it is usually not possible to determine the cause of the
illness, clinical ... between these chest ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR