19 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
result in decreased lung ... - Emphysema - Lung ... on the basis of HRCT ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... Radiology #Pulmonary #HRCT ... #ChestCT #Differential ... #Upper #Lower #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... as seen in fibrosis ... or interstitial lung ... #GroundGlass #Differential ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... is interstitial lung ... Interstitial #Pattern #Differential ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... involvement of the lung ... combinations of fibrosis ... morphologic findings on HRCT ... ILD #Findings #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
Even fibrosis as ... UIP, NSIP and long ... Consolidation #Differential ... #RadiologyAssistant
Ground-glass opacity is nonspecific, but highly significant finding since 60-80% of patients with ground-glass opacity on
ground-glass opacity on HRCT ... potentially treatable lung ... the cases the lung ... usually associated HRCT ... GroundGlass #GGO #RadiologyAssistant
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 ... In chronic HP fibrotic ... throughout the whole lung ... #Mimic #ILD #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
the peripheral lung ... COPD and cystic fibrosis ... Bronchiectasis #Differential ... #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary fibrosis ... A HRCT is needed ... pattern at the lung ... HRCT demonstrated ... #Honeycombing #RadiologyAssistant