13 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
four patterns: ... low attenuation (table ... The cystic pattern ... pattern can be ... seen and in many cases
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... An acute reticular ... pattern is most ... frequently caused ... 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 ... Clinical #Radiology #HRCT ... 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 ... The HRCT demonstrates ... Pattern #Honeycombing
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 ... morphologic findings on HRCT ... realise, that these patterns
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 #
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
pattern or a cystic ... pattern. ... pattern. ... a HRCT will give ... CTChest #Cystic #Interstitial
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
BOOP • Type of interstitial ... malignancy and other interstitial ... Unknown • 6-7 cases ... consolidation and GG pattern ... , cavities • HRCT
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
represents the second reticular ... pattern recognizable ... on HRCT. ... low attenuation pattern ... pneumonia (UIP)
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... peribronchovascular interstitium ... #CTChest #Reticular ... #Pattern #Comparison ... #Table #RadiologyAssistant