9 results
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Cryptogenic organizing ... result of massive fibrosis ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
mainly seen in cryptogenic ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Ground-glass opacity (GGO ... resolution of the HRCT ... as seen in fibrosis ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... , cavities • HRCT ... lower lung zone, GGO ... Organizing Pneumonia - Diagnosis ... pulmonary #ILD #diagnosis
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
on HRCT Most of ... disease comes from HRCT ... On HRCT there are ... low attenuation (table ... #Diagnosis #Radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... listed in the table ... morphologic findings on HRCT ... idiopathic or cryptogenic ... #Diagnosis #Radiology
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
The final diagnosis ... was cryptogenic ... pneumonia the HRCT ... In fibrosis there ... this #Clinical #Radiology
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 ... to confirm the diagnosis ... HRCT demonstrated ... #Clinical #Radiology
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
interstitium by fluid, fibrous ... limited differential diagnosis ... (Table). ... #Diagnosis #Radiology ... #Pulmonary #HRCT