58 results
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody Testing ... ARUPConsult @ARUPLabs #ANA ... Antinuclear #Antibody #Testing ... #differential #diagnosis ... #rheumatology
Antinuclear Antibody Testing Cytoplasmic Patterns
Reticular/AMA: 
 • PBC, SSc, PBC/SSc OS, PBC/SjS OS
 • AMA
Speckled:
 •
Antinuclear Antibody Testing ... : • SLE, SjS, CTD-ILD ... Antinuclear #Antibody #Testing ... #differential #diagnosis ... #rheumatology
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
SHARP - Lupus Diagnosis ... D Discoid Rash ... Antinuclear Antibody (ANA ... #IMDAMNSHARP #sle ... erythematosus #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
) - Diagnosis and ... Manifestations: Malar rash ... life-threatening • Treatment ... Erythematosus #Diagnosis ... Management #Summary #rheumatology
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
can present with rash ... including heliotrope rash ... Can also see mechanics ... after 2 years of treatment ... #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... erythematosus (SLE ... Sjogren's Syndrome (SS ... #patterns #rheumatology ... #diagnosis #differential
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
NPSLE rare, Malar rash ... Manifestations: Malar rash ... life-threatening • Treatment ... comparison #table #rheumatology ... #diagnosis #management
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
everywhere) 2) A rash ... many differential diagnoses ... annular rash on ... #sle #clues #system ... erythematosus #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Highly specific for SLE ... Association with both SLE ... 30-40% Target: SS-A ... erythematosus #diagnosis ... #rheumatology #
Thrombotic Microangiopathy - TTP VS HUS

Big picture points : Often hard to differentiate the two entities,
distinction has HUGE treatment ... first-line treatment ... awaiting confirmatory testing ... thrombocytopenia #Comparison #Diagnosis ... #Table #Hematology