14 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
disease comes from HRCT ... On HRCT there are ... reticular, nodular ... low attenuation (table ... is reticular.
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
demonstrates a reticular ... interstitial pattern ... The HRCT demonstrates ... #Interstitial # ... Pattern #Honeycombing
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... either random (miliary ... bronchovascular interstitium ... Radiology #Pulmonary #HRCT
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Miliary TB: random ... Clinical #Radiology #HRCT ... CTChest #Nodular #Pattern ... #Comparison #Table
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Non specific interstitial ... Clinical #Radiology #HRCT ... HighAttenuation #Pattern ... #Comparison #Table
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
manifests as a reticular ... A HRCT is needed ... Here a CXR with a reticular ... HRCT demonstrated ... #Interstitial #
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... incidental finding in HRCT ... peribronchovascular interstitium ... #CTChest #Reticular ... #Table #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... of reticular opacities ... differential diagnosis (Table ... Radiology #Pulmonary #HRCT ... #CTChest #Reticular
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
Cystic versus Reticular ... pattern. ... pattern. ... of such cases a HRCT ... CTChest #Cystic #Interstitial
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... listed in the table ... have specific patterns ... morphologic findings on HRCT ... realise, that these patterns