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The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... histiocytosis) - Bronchiectasis ... low attenuation pattern ... #Diagnosis #Radiology ... #Pulmonary #CTChest
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
as dominant pattern ... of the possible patterns ... relatively uniform pattern ... #Clinical #Radiology ... #CTChest #NSIP
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... #HighRes #Chest ... #CT #Patterns # ... Differential #Diagnosis ... #pulmonary #radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... #Diagnosis #Radiology ... #Pulmonary #CXR ... Pattern #Differential ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
in ground glass pattern ... predominance: UIP ... , NSIP, DIP. - Centrilobular ... #Radiology #Pulmonary ... #CTChest #GGO #
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary ... a reticular pattern ... #Clinical #Radiology ... #Interstitial # ... Pattern #Honeycombing
In the images on your left you can appreciate again the spectrum of findings seen in
fine reticular pattern ... , excluding UIP ... as diagnosis. ... #Clinical #Radiology ... #CTChest #NSIP
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
and subtle honeycombing ... patients with a UIP ... pattern or NSIP ... pattern seen in ... #Clinical #Radiology