30 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... low attenuation (table ... The cystic pattern ... pattern can be ... seen and in many cases
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Multifocal ill-defined ... - Reticular interstitial ... Nodule - Multiple Masses ... Consolidation #Patterns
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
and Cytoplasmic Patterns ... Nuclear Patterns ... • Homogeneous pattern ... : • Reticular/ ... SLE, SjS, CTD-ILD
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
An acute reticular ... pattern is most ... frequently caused ... by interstitial ... The other cause
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Non specific interstitial ... HighAttenuation #Pattern ... #Comparison #Table
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
demonstrates a reticular ... interstitial pattern ... preference at the lung bases ... #Interstitial # ... Pattern #Honeycombing
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... CTChest #Nodular #Pattern ... #Comparison #Table
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... have specific patterns ... realise, that these patterns ... IdiopathicInterstitialPneumonia #ILD
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... pattern particularly ... pattern at the ... This pattern was ... #Interstitial #
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... or multifocal ill-defined ... opacities. 2- Interstitial ... fine or coarse reticular ... Consolidation #Patterns