9 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation ... pattern 1. ... #Clinical #Radiology ... #HRCT #CTChest ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation ... pattern (2) 1. ... #Clinical #Radiology ... #HRCT #CTChest ... #Table #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
nodular, high and low ... attenuation (table ... The cystic pattern ... When the cysts have ... #Diagnosis #Radiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... diseases with a low ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
or a cystic pattern ... The CXR is of a ... of such cases a HRCT ... #Clinical #Radiology ... #CXR #CTChest #
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
atenuation and areas of low ... The HRCT shows a ... mosaic pattern ... #Clinical #Radiology ... #CXR #CTChest #
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
recognizable on HRCT ... Because of the cystic ... discussing the low ... #Clinical #Radiology ... #CTChest #Honeycombing
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... consolidation) low ... bronchiectasis) #Diagnosis #Radiology ... #CTChest #Interpretation ... #Algorithm #ILD