11 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... Dermatomyositis ... , Shaw sign, holster ... sign, and Gottron's ... #rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... shoulders (in a shawl sign ... Inverse Gottron’s sign ... auricular papules Clinical ... #rheumatology #
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
Multi-system autoimmune ... thickening Signs ... acro-osteolysis, myositis ... Scleroderma #SSc #rheumatology ... #diagnosis #signs
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies Dermatomyositis ... heliotrope, shawl sign ... exclusion Necrotizing Autoimmune ... Myositis • Onset ... diagnosis #comparison #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... Glomerulonephritis Myositis ... erythematosus #signs
Dermatomyositis (DM) and Polymyositis (PM): Pathogenesis and clinical findings
Elevated Antinuclear Antibodies: Anti-Jo-1, Anti-OJ, Anti-Mi2, Anti-SRP, Anti-EJ,
Dermatomyositis ... Pathogenesis and clinical ... processes occur in the skin ... -> Heliotrope Rash ... Pathophysiology #Signs
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis ... ) • Anti-Mi2 (skin ... Symptoms: • Gottron rash ... papules and Gottron sign ... ) • Shawl sign
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... 3rd Decade Skin ... Still disease, dermatomyositis ... disease • Non-autoimmune ... rheumatologic diseases
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
(blue-purple) rash ... chest (in a V-sign ... shoulders (in a shawl sign ... auricular papules Clinical ... diagnosis #management #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... Conjunctivitis, mucositis ... - Rash, arthritis ... purpura: strong sign ... differential #diagnosis #rheumatology