22 results
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
HRCT as seen in fibrosis ... lung disease (i.e ... . fibrosis). ... #Pulmonary #CTChest ... #GroundGlass #Differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Lymphangitic Carcinoma, Interstitial ... #CT #Patterns # ... #pulmonary #radiology
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Embolism, Obstructive Lung ... Disease, Interstitial ... Fibrosis, Interstitial ... Lung Disease ... Hypoxia #hypoxemia #differential
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
Silicosis is a fibrotic ... lung disease caused ... Calcification (seen in CT ... #CXR #Chest #XRay ... #labeled #pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... IIPs) comprise a ... combinations of fibrosis ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... On a Chest X-Ray ... #Diagnosis #Radiology ... #Pulmonary #CXR
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... fluid, fibrous ... lung disease, it ... pulmonary edema ... #Diagnosis #Radiology
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... , as in cystic fibrosis ... CT demonstrated ... #Clinical #Radiology ... #CXR #CTChest #
Galaxy Sign on Chest CT
 • Coalescent granuloma with a central dense mass and tiny peripheral
CT • Coalescent ... granuloma with a ... progressive massive fibrosis ... #Lung #Pulmonary ... #diagnosis #radiology
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
CT will also demonstrate ... dependent part of the lungs ... be high in the differential ... #Clinical #Radiology ... #CTChest #CHF #