5804 results
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Anti-Smith, Anti-Ro ... Syndrome: Anti-Ro ... Vasculitis: P-ANCA ... perinuclear), C-ANCA ... #Rheumatology #diagnosis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Anti-Ro/SSA ... 80-90%) > MPO - ANCA ... MPO: 75-80% - ANCA ... disease - MPO>PR3 - ANCA ... Antineutrophil #antibodies #diagnosis
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Disease Associations ANA ... SLE Anti-SSA (Ro ... Graves' disease c-ANCA ... granulomatosis p-ANCA ... Associations #diseases #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
lesions • Anti-Ro ... Differential Diagnosis ... : • ANCA-associated ... • Anti-Smith, Ro ... Erythematosus #Diagnosis
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Serology: - Anti-Ro ... - (Vasculitis) ANCA ... #Differential #Diagnosis
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
ANCA-Associated ... - C-ANCA pattern ... antibody) - P-ANCA ... @AnnKumfer #ANCA ... #Diagnosis #Rheumatology
ANCA Associated Vasculitis (AAV) - Auto-antibodies and Differential Diagnosis

MPA → usually p-ANCA
GPA → usually c-ANCA
EGPA →
ANCA Associated ... and Differential Diagnosis ... EGPA → ANCA in ... (MPO) C-ANCA ( ... #Differential #Diagnosis
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
- Differential Diagnosis ... Framework ANCA: ... • C-ANCA: GPA ... Wegener's) • P-ANCA ... #differential #diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... Pauci-Immune: - ANCA-positive ... polyangiitis) - ANCA-negative ... testing: anti-ANCA ... #differential #diagnosis
ANCA Vasculitis - GPA, MPA, Eosinophilic GPA

doi:10.1038/s41572-020-0204-y

#ANCA #Vasculitis #GPA #MPA #Eosinophilic #rheumatology #diagnosis #comparison #table
ANCA Vasculitis ... s41572-020-0204-y #ANCA ... #rheumatology #diagnosis