8 results
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Myositis Specific ... Inclusion Body Myositis ... MithuRheum #Myositis ... #rheumatology # ... table
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Lupus (SLE): ... others (RNP, aPL antibodies ... Peptide (CCP) • Myositis ... #diagnosis #associations ... #table
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
- Diagnosis Manifestations ... anemia 4% - Myositis ... SLE-Related Auto-Antibodies ... Differential Diagnosis ... #differential #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Antibody refers to antibodies ... Sjögren Syndrome, Myositis ... ANA #patterns #rheumatology ... #diagnosis #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Non-autoimmune rheumatologic ... and CNS • Headache ... • Transverse Myelitis ... #Rheumatology
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Parotid swelling CNS ... nervous system (CNS ... neuropathy, transverse myelitis ... • 8%-27% for CNS ... Sjogrens #Syndrome #Rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis ... RP-ILD), dermato-rheumatologic ... INCLUSION BODY MYOSITIS ... lung disease • Myositis ... #Autoimmune #Myositis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... joint • Systemic lupus ... double-stranded DNA antibodies ... level to exclude myositis ... #testing #Rheumatology