16 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... low attenuation (table ... #Diagnosis #Radiology ... #Pulmonary #CXR
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... or interstitial lung ... bronchiolitis, PCP. - Lower ... #Pulmonary #CTChest ... #GroundGlass #Differential
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
) Day 2 - some pulmonary ... consolidations in lower ... involvement, with “white lung ... structures help in the differential ... #Clinical #Radiology
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... , cavities • HRCT ... peripheries and lower ... Pneumonia #COP #BOOP #pulmonary ... ILD #diagnosis #management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... Lung Abscess - Clinical ... Abscess Differential ... #Abscess #pulmonary ... #differential #
Metastases
Metastases are the most common cause of multiple pulmonary masses.
Usually they vary in size and are
cause of multiple pulmonary ... predominate in the lower ... HRCT will demonstrate ... #Clinical #Radiology ... CXR #LungMets #Lung
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... with interstitial lung ... diagnosis (Table ... #Diagnosis #Radiology ... #Pulmonary #HRCT
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
the secondary pulmonary ... Pulmonary vessels ... severe in the lower ... difficult to detect on HRCT ... #Clinical #Radiology
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... show very similar HRCT ... UIP has a strong lower ... #Clinical #Diagnosis ... #Radiology #CTChest