20 results
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... .2016.12.033 #Mosaic ... Attenuation #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
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
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
glass pattern in a mosaic ... enlargement of pulmonary ... caliber due to chronic ... #Clinical #Radiology ... #CTChest #GGO #
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 ... of the affected lung ... parenchyma Diagnosis
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... expiratory scan: the mosaic ... mid and lower lung ... #Clinical #Radiology ... #CTChest #Chronic
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 Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
Chronic Thromboembolic ... Thromboendarterectomy Chronic ... Plexiform-lesion formation Clinical ... thromboembolic material, mosaic ... Ventilation-perfusion lung
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