13 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... reticular, nodular ... On a Chest X-Ray ... in many cases UIP ... #Diagnosis #Radiology
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Nodular #Pattern ... #Comparison #Table
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 ... lung bases. ... #Clinical #Radiology ... #CXR #UIP #Reticular
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 ... Diagnosis #Clinical #Radiology ... Consolidation #Patterns
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
interstitial pattern ... preference at the lung ... The HRCT demonstrates ... #Clinical #Radiology ... #CXR #UIP #CTChest
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
morphologic findings on HRCT ... findings of NSIP, UIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
The HRCT shows diffuse ... and some mosaic pattern ... Reticular abnormalities ... smoking #Clinical #Radiology ... #CTChest #DIP #
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 ... bronchiectasis) #Diagnosis #Radiology ... #CTChest #Interpretation ... #Algorithm #ILD
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
show very similar HRCT ... throughout the whole lung ... Clinical #Diagnosis #Radiology ... #CTChest #UIP # ... Comparison #Chronic