12 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... on the basis of HRCT ... #LowAttenuation ... #Differential # ... TractionBronchiectasis #Cysts
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Cystic #Pattern
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
multiple thick walled cysts ... (LAM): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Cystic #Pattern
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
The cystic pattern ... When the cysts have ... UIP can be suspected ... #Pattern #Differential ... #RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
interstitial pattern ... #Clinical #Radiology ... #CXR #UIP #CTChest ... #Reticular #Interstitial ... #Pattern #Honeycombing
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
a reticular pattern ... #Clinical #Radiology ... #CXR #UIP #Reticular ... #Interstitial # ... Pattern #Honeycombing
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
the second reticular ... on HRCT. ... #Clinical #Radiology ... #CTChest #Honeycombing ... #RadiologyAssistant
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
HRCT findings in ... UIP Honeycombing ... multilayered thick-walled cysts ... #Radiology #CTChest ... #Usual #Interstitial
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
Cystic versus Reticular ... pattern or a cystic ... #Clinical #Radiology ... #CXR #CTChest # ... Cystic #Interstitial
On the left a chest film of a patient with UIP due to IPF.
The findings on
appearance of honeycombing ... densities caused ... thick walls of the cysts ... #Clinical #Radiology ... #Usual #Interstitial