34 results
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Antibodies (MSAs ... TIF1y, NXP2, Mi-2, SAE ... Anti-Synthetase Syndrome ... #Specific #Antibodies ... clinical #diagnosis #rheumatology
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... • Lupus (SLE): ... others (RNP, aPL antibodies ... LAC) • Sjogren Syndrome ... Peptide (CCP) • Myositis
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
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Systemic Lupus Erythematosus ... anemia 4% - Myositis ... SLE-Related Auto-Antibodies ... autoantibodies #signs ... #differential #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Homogeneous: Systemic lupus ... , Drug-induced Lupus ... SLE), Sjogren's Syndrome ... #Antinuclear #Antibodies ... ANA #patterns #rheumatology
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Systemic Lupus Erythematosus ... Normal CK - Myositis ... #Systemic #Lupus ... Complications #pathophysiology ... #signs #symptoms
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... SLE), Sjogren's Syndrome ... Arthritis, Sjögren Syndrome ... , Myositis, Mixed ... ANA #patterns #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... Demyelinating syndromes ... Glomerulonephritis Myositis ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... heliotrope rash, Shaw sign ... , holster sign, ... anti-synthetase syndrome ... #diagnosis #rheumatology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Other brainstem syndromes ... • Transverse myelitis ... positive NMO only): Myositis ... disorders (Systemic lupus ... neurology #symptoms #signs
Systemic Lupus Erythematosus: Gastrointestinal Manifestations
 - Thrombosis of vessels in the pancreas, Vasculitis -> Acute Pancreatitis
Systemic Lupus Erythematosus ... - Budd Chiari Syndrome ... #Systemic #Lupus ... Complications #pathophysiology ... #signs #symptoms