10 results
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Smith, Sm/RNP, Scl ... Scl100, Th/To, Scl ... -7, PL-12, MDA5, ... #differential # ... diagnosis #rheumatology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... #Diagnosis #Radiology ... #Differential # ... RadiologyAssistant
Antinuclear Antibody Testing - Nuclear Patterns
Homogeneous pattern: 
 • SLE, SSc, AIH, JIA
 • dsDNA, chromatin,
Smith, Sm/RNP, Scl ... Scl100, Th/To, Scl ... conditions • Sp-100, PML ... #differential # ... diagnosis #rheumatology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... #Clinical #Diagnosis ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Associated Features: Diagnosis ... Inflammatory #Myopathies #differential ... #diagnosis #comparison ... #rheumatology # ... table
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... The table summarizes ... to look at the pattern ... more than one pattern ... #Table #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
in ground glass pattern ... bronchiolitis, PCP ... bronchiolitis #Diagnosis ... #GroundGlass #Differential ... #RadiologyAssistant
Antinuclear Antibody Testing Cytoplasmic Patterns
Reticular/AMA: 
 • PBC, SSc, PBC/SSc OS, PBC/SjS OS
 • AMA
Speckled:
 •
Testing Cytoplasmic Patterns ... -7, PL-12, MDA5, ... #Cytoplasmic #Patterns ... #differential # ... diagnosis #rheumatology
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... has a limited differential ... diagnosis (Table ... #Diagnosis #Radiology ... #RadiologyAssistant
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
The dominant pattern ... there is a broad differential ... diagnosis and additional ... immunocompromised patient PCP ... RespiratoryBronchiolitis #ILD #RadiologyAssistant