19 results
Pulmonary Hypertension Groups - WHO Classification
Group I - Vascular remodeling of pulmonary arteries
 • Idiopathic, HIV,
III - Chronic lung ... IV - CTEPH • ... • Sarcoidosis, chronic ... mediastinal tumors, chronic ... dyspnea, fatigue, chest
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... Chronic eosinophilic ... Chronic eosinophilic ... Radiology #HRCT #CTChest ... #Comparison #Table
Diagnostic algorithm for a child or adolescent with suspected pulmonary hypertension. CHD, congenital heart disease; CPET,
Diagnostic algorithm ... exercise testing; CTEPH ... , chronic thromboembolic ... hypertension; CXR, chest ... dysplasia; CLD, chronic
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... pneumonitis (NSIP): ground ... Radiology #HRCT #CTChest ... HighAttenuation #Pattern ... #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... low attenuation (table ... On a Chest X-Ray ... The ground-glass ... detected on a chest
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Chronic hypersensitivity ... pneumonitis are: Mosaic pattern ... with areas of ground-glass ... shows a mosaic pattern ... Radiology #CXR #CTChest
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
Chronic Thromboembolic ... Hypertension (CTEPH ... Thromboendarterectomy Chronic ... not specific • Chest ... mosaic parenchymal pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... centrilobular nodules of ground-glass ... Radiology #Pulmonary #CTChest ... #Nodular #Pattern ... Differential #Comparison #Table
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Attenuation: • Acute Ground ... Acute Eos PNA • Chronic ... Pneumonia, COP, Chronic ... #CT #Patterns #
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 ... realise, that these patterns ... Radiology #Pulmonary #CTChest