23 results
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... vascular diseases (e.g ... findings of NSIP, UIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
consolidation #Clinical ... #Radiology #HRCT ... #CTChest #HighAttenuation ... Pattern #Comparison #Table ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
central dot. - LIP ... #Clinical #Diagnosis ... #Radiology #CTChest ... Differential #Comparison #Table ... #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Cryptogenic organizing pneumonia ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... Differential #Comparison #Table ... #RadiologyAssistant
The case on the left shows subpleural honeycomb cysts in several contiguous layers.
There is also a
Usual Interstitial Pneumonia ... (UIP). ... #Clinical #Radiology ... #CTChest #UIP # ... #Honeycombing #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
patterns: reticular, nodular ... low attenuation (table ... in many cases UIP ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Lobar pneumonia ... Organizing pneumonia ... #Radiology #CXR ... Consolidation #Causes #RadiologyAssistant