10 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 Antibodies ... (MSAs) Dermatomyositis ... Mediated Necrotizing Myopathy ... Myositis #Specific #Antibodies ... clinical #diagnosis #rheumatology
Cutaneous and Systemic Findings in Dermatomyositis
Cutaneous Findings:
 - Heliotrope sign and edema
 - Nail-fold changes
 -
Systemic Findings in Dermatomyositis ... or shawl sign ... , inflammatory myopathy ... #Dermatomyositis ... #Diagnosis #Rheumatology
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Myositis Necrotizing myopathy ... Dermatomyositis ... heliotrope rash, Shaw sign ... , holster sign, ... Myositis #diagnosis #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... Polymyositis and dermatomyositis ... polyangiitis without renal ... Antineutrophil #antibodies ... #diagnosis #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
RP-ILD), dermato-rheumatologic ... papules and Gottron sign ... ) • Shawl sign ... syndrome • If myopathy ... #rheumatology #
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
hypofunction • Antibodies ... demyelinating disease, myelopathy ... cirrhosis: 3%-20% Renal ... Distal (Type I) renal ... Sjogrens #Syndrome #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Still disease, dermatomyositis ... Non-autoimmune rheumatologic ... APLA/LAC: • Renal ... 1, SCL-70, RNP antibodies ... anticardiolipin antibodies
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
Antibodies targeting ... chest (in a V-sign ... shoulders (in a shawl sign ... • Clear cell renal ... diagnosis #management #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pulmonary and renal ... purpura: strong sign ... C-ANCA) pattern: antibodies ... • Urinalysis (Renal ... differential #diagnosis #rheumatology
Rheumatoid Arthritis - Signs and Symptoms
 • Ocular: Keratoconjunctivitis sicca, Episcleritis, Scleritis, Scleromalacia perforans
 • Pulmonary:
Rheumatoid Arthritis - Signs ... neuropathy, Cervical myelopathy ... Pericarditis • Renal ... Arthritis #RA #Signs ... Symptoms #diagnosis #rheumatology