10 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On HRCT there are ... reticular, nodular ... On a Chest X-Ray ... is reticular. ... #Diagnosis #Radiology
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 #
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... result of massive fibrosis ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... end-stage with massive fibrosis ... consolidation #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... On a chest X-ray ... A HRCT is needed ... HRCT demonstrated ... #Clinical #Radiology
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Reticular #Pattern ... #Comparison #Table
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 ... and signs of fibrosis ... #CTChest #DIP #
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
represents the second reticular ... on HRCT. ... composed of dense fibrous ... #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
interpretation of HRCT ... the dominant HR-pattern ... : reticular nodular ... #CTChest #Interpretation ... #Algorithm #ILD
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
interstitium by fluid, fibrous ... cells results in a pattern ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Reticular