15 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On HRCT there are ... reticular, nodular ... low attenuation (table ... on a CXR. ... #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
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... #Clinical #Radiology ... #HRCT #CTChest ... #Nodular #Pattern ... #Comparison #Table
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 ... Diagnosis #Clinical #Radiology ... #CXR #Consolidation ... #Patterns #RadiologyAssistant
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
this case the chest ... #Clinical #Radiology ... #CXR #Sarcoidosis ... #Nodular #Interstitial ... #Pattern #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
bronchovascular interstitium ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern ... #Nodular #Pattern
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 #CTChest ... #Comparison #Table
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
The CXR demonstrates ... pattern with a ... The HRCT demonstrates ... #Clinical #Radiology ... #CXR #UIP #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 secondry nodules ... #Clinical #Radiology ... #CXR #CTChest #
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest