15 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 ... #Upper #Lower #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Emphysema - Lung ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Emphysema #SignetRing #RadiologyAssistant
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 #Diagnosis ... #Radiology #Pulmonary ... #Differential #RadiologyAssistant
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 ... #Clinical #Radiology ... #CTChest #GGO # ... #RadiologyAssistant
More than 100 entities manifest as diffuse lung disease.
Fortunately only about 10 of these account for
also uncommon HRCT-presentations ... #Diagnosis #Radiology ... #Pulmonary #SHITFACED ... #Mnemonic #HRCT ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
The differential diagnosis ... are confluent, HRCT ... #Clinical #Radiology ... #CTChest #GGO # ... HypersenstitivityPneumonitis #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
pneumonia • formerly BOOP ... , cavities • HRCT ... zone, GGO, small ... Pneumonia #COP #BOOP ... #pulmonary #ILD
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... • DDx: BO, CTEPH ... 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 ... The term 'mosaic ... thromboembolic disease #Diagnosis ... #Radiology #Pulmonary ... #Differential #RadiologyAssistant