10 results
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
Systemic Sclerosis (Scleroderma ... Multi-system autoimmune ... thickening Signs ... #SSc #rheumatology ... #diagnosis #signs
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Autoimmune diseases ... trigger - Direct skin ... Disorientation, vertigo Diagnostic ... #diagnosis #rheumatology ... #comparison #table
Scleroderma Like Conditions - Differential Diagnosis
Eosinophilic Fasciitis:
 - Orange peel induration (peau d'orange) of proximal extremities
- Differential Diagnosis ... large numbers of stellate ... #Differential #Diagnosis ... #comparison #table ... #dermatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
common in SLE, autoimmune ... microsomal) - Autoimmune ... Anti-Scl-70 - Scleroderma ... Associations #diseases #diagnosis ... #table #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... Vasculitis, Purpura, Urticaria ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
heliotrope, shawl sign ... exclusion Necrotizing Autoimmune ... #differential #diagnosis ... #comparison #rheumatology ... #table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... Vasculitis): - Urticaria ... Differential Diagnosis ... purpura: strong sign ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis Differential Diagnosis ... purpura: Strong sign ... #Differential #Diagnosis ... #Rheumatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
associated with signs ... macerated areas with satellite ... Fleshy papules • Urticaria ... ; pruritis #dermatology ... #differential #diagnosis
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
RP-ILD), dermato-rheumatologic ... ) • Anti-Mi2 (skin ... papules and Gottron sign ... ) • Shawl sign ... Myositis #Myopathy #rheumatology