16 results
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Lupus (SLE): ... , Others: SRP, Mi ... Polymerase Ill • ANCA Vasculitis ... #diagnosis #associations ... #table
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... arteritis, Cogan's Syndrome ... ANCA associated vasculitis ... (RA), Systemic lupus ... #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... Butterfly rash, Vasculitis ... Demyelinating syndromes ... signs #symptoms #diagnosis ... #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... inflammation Others: • Lupus ... • Cogan Syndrome ... such as systemic lupus ... #rheumatology #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
: • Clinical triad ... Labs/Diagnosis: ... (e.g. systemic lupus ... Cryoglobulins #diagnosis ... classification #rheumatology
Diagnosis of Cryoglobulinemia Vasculitis

1) Presence of cryoglobulin 
Circulating immunoglobulins that precipitate with cold temperature and dissolve
Diagnosis of Cryoglobulinemia ... not related to clinical ... Cryoglobulins are ... Hyperviscosity syndrome ... #Diagnosis #Rheumatology
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
, TIF1y, NXP2, Mi ... Anti-Synthetase Syndrome ... Antibodies #MSAs #clinical ... #diagnosis #rheumatology ... #table
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... 40, F:M 9:1 • Clinical ... sle #comparison #table ... #rheumatology # ... diagnosis #management
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
-15% If SLE is clinically ... SLE-SSc-AlM overlap syndromes ... erythematosus #diagnosis ... #rheumatology # ... table #ANA
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... Differential Diagnosis ... Non-autoimmune rheumatologic ... Clinical Features ... #Rheumatology