21 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... (table). ... The cystic pattern ... interstitial pattern ... in many cases UIP
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Cytoplasmic Patterns ... Nuclear Patterns ... • Homogeneous pattern ... : • Reticular/ ... SLE, SjS, CTD-ILD
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
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 ... The other cause ... nonproductive cough and
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... and interstitial ... listed in the table ... have specific patterns ... realise, that these patterns
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
interstitial pattern ... preference at the lung bases ... demonstrates honeycombing and ... #Interstitial # ... Pattern #Honeycombing
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
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... pneumonia (OP) and
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
BOOP • Type of interstitial ... other interstitial ... Unknown • 6-7 cases ... GG pattern, irregular ... BOOP #pulmonary #ILD
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung interstitium ... cells results in a pattern ... of reticular opacities ... patients with interstitial ... differential diagnosis (Table