33 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... low attenuation (table ... is interstitial lung ... #Diagnosis #Radiology
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
centrilobular nodules ... Sarcoidosis: nodules ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
consolidations in lower lobes ... involvement, with “white lung ... structures help in the differential ... #Clinical #Radiology ... #CXR #ChestXRay
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Sarcoidosis: nodules ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
perihilar and in upper lobes ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
fibrosis in upper lobes ... consolidation #Clinical ... #Radiology #HRCT ... #CTChest #HighAttenuation ... Pattern #Comparison #Table
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
The HRCT shows a ... hyperaerated secondary nodules ... and secondry nodules ... #Clinical #Radiology ... #CXR #CTChest #
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
in the proper clinical ... densities iin the left lung ... cavitation in the right lung ... #Clinical #Radiology ... #CXR #CTChest #
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
The CXR demonstrates ... preference at the lung ... The HRCT demonstrates ... #Clinical #Radiology ... #CXR #UIP #CTChest
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
small (1 -4 mm) nodules ... throughout the lungs ... #Radiology #differential ... diagnosis #pulmonary #CXR ... #clinical #CT