14 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... Kumfer @AnnKumfer #Antinuclear ... #Antibodies #ANA ... #patterns #rheumatology ... #diagnosis #differential
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... • Reticular/AMA ... #Antinuclear #Antibody ... Cytoplasmic #Patterns #differential ... #diagnosis #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... (ANA) ANA or Anti-NucIear ... Kumfer @AnnKumfer #Antinuclear ... #patterns #rheumatology ... #diagnosis #differential
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Erythematosus - Summary Antinuclear ... (ANA) - 95% - Initial ... #SLE #Summary #diagnosis ... #rheumatology # ... management
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
Retroperitoneum and aorta ... conventional imaging (aorta ... autoantibodies (antinuclear ... #management #phenotypes ... workup #treatment #rheumatology
Antinuclear Antibody Testing Cytoplasmic Patterns
Reticular/AMA: 
 • PBC, SSc, PBC/SSc OS, PBC/SjS OS
 • AMA
Speckled:
 •
Antinuclear Antibody ... PBC/SjS OS • AMA ... #Antinuclear #Antibody ... Cytoplasmic #Patterns #differential ... #diagnosis #rheumatology
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
and Management ... • Should be on differential ... de novo between aorta ... compression of AAA ... or within the aorta
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Workup: - ANA ... Usual therapeutic management ... Lupusreference #druginduced ... comparison #table #rheumatology ... #diagnosis #management
Antinuclear Antibody Testing - Nuclear Patterns
Homogeneous pattern: 
 • SLE, SSc, AIH, JIA
 • dsDNA, chromatin,
Antinuclear Antibody ... ARUPConsult @ARUPLabs #ANA ... #Antinuclear #Antibody ... Nuclear #Patterns #differential ... #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Diagnosis Framework ... < 30 years - Aorta ... branches • GCA: - Aorta ... LFT • ESR • ANA ... #diagnosis #rheumatology