14 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
cases • Sjögren syndrome ... connective tissue disease ... 90% • Anti-GBM disease ... #rheumatology # ... diseases
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Diagnosis Algorithm ... arthritis - (Reiter’s syndrome ... autoimmune disease ... • Systemic Lupus ... Diagnosis #Algorithm
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Syndrome (SS), ... : Lupus (SLE), Systemic ... Arthritis, Sjögren Syndrome ... #patterns #rheumatology ... #diagnosis #differential
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
arteritis, Cogan's Syndrome ... Disease, Polyarteritis ... ) • Rheumatic Diseases ... : IgG4-Related Disease ... #Diagnosis #rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... block • Sjogren syndrome ... polymyositis overlap syndrome ... diagnosis #rheumatology ... #management
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Secondary: CTD: SLE ... Vasculitis • ANCA ... Disease • Cogan ... syndrome #Cutaneous ... #dermatology #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Mucocutaneous lymph node syndrome ... Syndrome: - Recurrent ... • Cogan Syndrome ... Diagnosis: Systemic ... #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Diagnosis: • ANCA-associated ... lymphoma • Evans' syndrome ... Shrinking lung syndrome ... #Rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Behçet's Syndrome ... Systemic disease ... disease) Differential ... #Syndrome #diagnosis ... #symptoms #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
months to years) Systemic ... : Chronic disease ... #sle #comparison ... #table #rheumatology ... #diagnosis #management