18 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
The cystic pattern ... pattern on a CXR ... seen and in many cases ... UIP can be suspected ... #Diagnosis #Radiology
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
On a chest X-ray ... a reticular pattern ... a reticular pattern ... #Clinical #Radiology ... #CXR #UIP #Reticular
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
pattern with a ... preference at the lung bases ... The HRCT demonstrates ... #Clinical #Radiology ... #CXR #UIP #CTChest
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
Cystic versus Reticular ... pattern or a cystic ... a HRCT will give ... #Clinical #Radiology ... #CXR #CTChest #
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
represents the second reticular ... pattern recognizable ... on HRCT. ... #Clinical #Radiology ... #CTChest #Honeycombing
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... (LAM, LIP, Langerhans ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
The HRCT shows a ... mosaic pattern ... and intralobular reticular ... #Clinical #Radiology ... #CXR #CTChest #
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
the chest x-ray ... HRCT is needed to ... #Clinical #Radiology ... #CXR #Sarcoidosis ... #Interstitial #Pattern
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... on a chest x-ray ... Interstitial - Reticular ... Nodule - Multiple Masses ... #CXR #Consolidation
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 ... : reticular nodular ... attenuation (emphysema, cystic ... #CTChest #Interpretation ... #Algorithm #ILD