15 results
Pulmonary Hypertension Groups - WHO Classification
Group I - Vascular remodeling of pulmonary arteries
 • Idiopathic, HIV,
- WHO Classification ... hypoxemia • COPD, ILD ... IV - CTEPH • ... PH Functional Classification ... #WHO #Classification
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis on HRCT ... disease comes from HRCT ... On HRCT there are ... low attenuation (table ... The ground-glass
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... peripheral areas of ground ... both areas of ground ... Clinical #Radiology #HRCT ... #Comparison #Table
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... pneumonitis (NSIP): ground ... Clinical #Radiology #HRCT ... HighAttenuation #Pattern ... #Comparison #Table
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... Clinical #Radiology #HRCT ... CTChest #Nodular #Pattern ... #Comparison #Table
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... with extensive ground ... artifact); (G) UIP pattern ... #Correlation #Table ... #ILD #Findings
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
a heterogenous group ... listed in the table ... have specific patterns ... morphologic findings on HRCT ... IdiopathicInterstitialPneumonia #ILD
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... bronchiolitis: ill ... centrilobular nodules of ground-glass ... CTChest #Nodular #Pattern ... Differential #Comparison #Table
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... the dominant HR-pattern ... high attenuation (ground-glass ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... incidental finding in HRCT ... Kerley B lines), ground-glass ... Clinical #Radiology #HRCT ... #Comparison #Table