12 results
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 ... #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LAM): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest ... LowAttenuation #Cystic ... #Pattern #Comparison
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 ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest ... Nodular #Pattern #Comparison
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On HRCT there are ... The cystic pattern ... When the cysts have ... #Diagnosis #Radiology ... #Pulmonary #CXR
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the prominent feature ... associated pulmonary ... Clinical #Diagnosis #Radiology ... #CTChest #Cavity ... #Comparison #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
attenuation (emphysema, cystic ... bronchiectasis) #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Interpretation ... #Algorithm #ILD
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
recognizable on HRCT ... Because of the cystic ... is the typical feature ... #Clinical #Radiology ... #CTChest #Honeycombing
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #Comparison