39 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
La) - Sjogren's syndrome ... Anti-GBM - Goodpasture's ... #diagnosis #table ... #rheumatology # ... antibodies
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-2, SAE ... Anti-Synthetase Syndrome ... Body Myositis (IBM ... #MSAs #clinical ... #diagnosis #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Associated Rheumatic Diseases ... connective tissue disease ... ), Sjogren's Syndrome ... #Antinuclear #Antibodies ... #diagnosis #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
likely it will be clinically ... ), Sjogren's Syndrome ... Arthritis, Sjögren Syndrome ... ANA #patterns #rheumatology ... #diagnosis #differential
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... in drug-induced SLE ... cases • Sjögren syndrome ... + 90% • Anti-GBM ... #diagnosis #rheumatology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential Diagnosis ... • Fanconi's syndrome ... antibodies ... (MPA) • SLE ... Minimal change disease
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
GI - Felty syndrome ... - SLE Neurologic ... , Behçet's syndrome ... #differential #diagnosis ... #rheumatology
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
- Differential Diagnosis ... HAV, HCV, HEV, EBV ... Metabolic: Wilson Disease ... Singh @rav7ks See ... #causes #hepatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... is clinically suspected ... overlap syndromes ... erythematosus #diagnosis ... #rheumatology #
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... test, ANA (e.g., SLE ... anti-phospholipid antibodies ... (CVID, WAS), (neurologic ... When do you do a BM