39 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 ... pattern on a CXR ... #Differential #RadiologyAssistant
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 ... Interstitial - Reticular ... Consolidation #Patterns ... #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... next to pleura and ... CTChest #Nodular #Pattern ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... multiple round and ... LowAttenuation #Cystic #Pattern ... #Comparison #Table ... #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... or multifocal ill-defined ... fine or coarse reticular ... Consolidation #Patterns ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... bronchiolitis: ill ... CTChest #Nodular #Pattern ... Differential #Comparison #Table ... #RadiologyAssistant
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
Lab patterns seen ... Metabolism A table ... from UpToDate and ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis ... IEM #Laboratory #Patterns
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... are visible, the pattern ... NodularPattern #Nodular #Pattern ... #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... fibrosis perihilar and ... HighAttenuation #Pattern ... #Comparison #Table ... #RadiologyAssistant