14 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
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... triad of ILD, myositis ... , and arthritis ... #Autoimmune #Myositis ... #diagnosis #rheumatology
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... others (RNP, aPL antibodies ... Peptide (CCP) • Myositis ... #diagnosis #associations ... #table
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
SLE), Sjogren's Syndrome ... , Sjögren Syndrome ... , Myositis, Mixed ... ANA #patterns #rheumatology ... #diagnosis #differential
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... • Giant cell arteritis ... Miller-Fisher syndrome ... pseudotumor • Orbital myositis ... #Differential #Diagnosis
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Erythematosus - Diagnosis ... Manifestations: - Arthritis ... anemia 4% - Myositis ... SLE-Related Auto-Antibodies ... #differential #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
of hip (rare), Arthritis ... Demyelinating syndromes ... Glomerulonephritis Myositis ... signs #symptoms #diagnosis ... #rheumatology
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
Diagnosis: • Dry ... neuropathy, transverse myelitis ... • 8%-27% for CNS ... Arthralgia and Arthritis ... #Rheumatology #
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
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... • Arthritis ... • Myositis/pyomyositis ... #differential #diagnosis ... extremity #msk #physicalexam