14 results
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 ... HighAttenuation #Pattern
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... there are four patterns ... in many cases UIP ... #Diagnosis #Radiology ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
in ground glass pattern ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO # ... #Differential #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... low attenuation pattern ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... have specific patterns ... realise, that these patterns ... #Diagnosis #Radiology ... #Pulmonary #CTChest
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary ... fibrosis. ... a reticular pattern ... #Clinical #Radiology ... #Interstitial #
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
GGO as dominant pattern ... of the possible patterns ... relatively uniform pattern ... #Clinical #Radiology ... #CTChest #NSIP
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
second reticular pattern ... low attenuation pattern ... #Clinical #Radiology ... #CTChest #Honeycombing ... #RadiologyAssistant
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
and some mosaic pattern ... abnormalities and signs ... of fibrosis are ... smoking #Clinical #Radiology ... #CTChest #DIP #
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
patients with a UIP ... pattern or NSIP ... pattern seen in ... #Clinical #Radiology ... #RadiologyAssistant