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The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... findings of NSIP, UIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Findings #RadiologyAssistant
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
lung diseases ... I-JIP: usual interstitial ... AIP: acute interstitial ... ConnectiveTissueDiseases #ILD ... #Pulmonary #Rheumatology
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... is seen in: - UIP ... edema #Diagnosis #Radiology ... #Differential #Table
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... #Clinical #Radiology ... #CTChest #UIP # ... #Pneumonitis #ILD ... #RadiologyAssistant
Typical UIP with honeycombing and traction bronchiectasis in a patient with idiopathic pulmonary fibrosis (IPF) #Clinical
Typical UIP with ... with idiopathic pulmonary ... IPF) #Clinical #Radiology ... #CTChest #UIP # ... IPF #ILD #RadiologyAssistant
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... #Clinical #Radiology ... #CTChest #UIP # ... LowerLungPredominance #ILD ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
lung disease (i.e ... predominance: UIP ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... consolidation - Multifocal ill-defined ... mass - Solitary Pulmonary ... Diagnosis #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
It is usually easy to recognize the pattern of UIP on HRCT. #Clinical #Radiology #CTChest #UIP
#Clinical #Radiology ... #CTChest #UIP # ... UsualInterstitialPneumonitis #Usual #Interstitial ... #Pneumonitis #ILD ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... in many cases UIP ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant