Mithu Maheswaranathan, MD @MithuRheum
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Rheumatologist at Duke University Creator of Rheum OnePagers ➡ RheumOnePagers.com Twitter: @MithuRheum ➡ https://twitter.com/MithuRheum
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Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
: The ANA patterns ... but often not specific ... ANA Patterns and ... erythematosus (SLE ... #diagnosis #differential
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... erythematosus (SLE ... erythematosus (SLE ... #patterns #rheumatology ... #diagnosis #differential
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Myositis Specific ... TIF1y, NXP2, Mi-2, SAE ... #Myositis #Specific ... MSAs #clinical #diagnosis ... #rheumatology #table
Lupus Nephritis Primer
Class I - Minimal Mesangial
Class II - Mesangial Proliferative
Class Ill - Focal Proliferative
Class IV
Nephritis Primer Class ... Proliferative Class ... MD @MithuRheu and ... Lupus #Nephritis #SLE ... #differential #diagnosis
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Rheumatology • Lupus (SLE ... ): ANA (anti-nuclear ... Anti-Ro (SSA) and ... #Rheumatology #diagnosis ... #associations #table
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... Nodosa (PAN), ANCA ... erythematosus (SLE ... MD @MithuRheu and ... #Differential #Diagnosis