16 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... can be readily ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
bronchiectasis, no honeycombing ... result of massive fibrosis ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
woman of child-bearing ... Honeycombing 4. ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Honeycombing. 4. ... woman of child-bearing ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
On the left two cases of NSIP.
Note the varying combination of GGO and fibrosis (traction bronchiectasis),
combination of GGO ... and fibrosis (traction ... but the lack of honeycombing ... #Clinical #Radiology ... #CTChest #NSIP
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
end-stage with massive fibrosis ... consolidation #Clinical ... #Radiology #HRCT ... #CTChest #HighAttenuation ... #Pattern #Comparison
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
a patient with GGO ... with honeycombing ... #Clinical #Radiology ... #CTChest #NSIP ... #GroundGlass #GGO
Ground-glass opacity is nonspecific, but highly significant finding since 60-80% of patients with ground-glass opacity on
the ground-glass pattern ... bronchiectasis and honeycombing ... two cases with GGO ... #Clinical #Radiology ... #CTChest #GroundGlass
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
second reticular pattern ... low attenuation pattern ... composed of dense fibrous ... #Clinical #Radiology ... #CTChest #Honeycombing
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... On a chest X-ray ... demonstrating honeycombing ... #Clinical #Radiology ... #Honeycombing #