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Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... On a Chest X-Ray ... lung disease and ... #Diagnosis #Radiology ... #RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
interstitial pattern ... preference at the lung ... #Clinical #Radiology ... #CXR #UIP #CTChest ... #Reticular #Interstitial
Here are the most common examples of these four patterns on a chest x-ray (click image
on a chest x-ray ... - Reticular interstitial ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
lung disease (i.e ... in ground glass pattern ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... An acute reticular ... pattern is most ... #Clinical #Radiology ... Pneumonia #PJP #RadiologyAssistant
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... circumferential GGO ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
On a chest X-ray ... lung bases. ... #Clinical #Radiology ... #Interstitial # ... #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Non specific interstitial ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... cells results in a pattern ... #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... #Differential #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... opacities. 2- Interstitial ... fine or coarse reticular ... #Diagnosis #Radiology ... #RadiologyAssistant