14 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... Dermatomyositis ... heliotrope rash, Shaw sign ... , holster sign, ... Myositis #diagnosis #rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
common in SLE, autoimmune ... Polymyositis / Dermatomyositis ... microsomal) - Autoimmune ... diagnosis #table #rheumatology ... #antibodies
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
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Antibody refers to antibodies ... Positive ANA ≠ Autoimmune ... , Polymyositis/Dermatomyositis ... ANA #patterns #rheumatology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Common Causes: • Autoimmune ... Lung cancer • Renal ... pseudomonas) Autoimmune ... 21-Hydroxylase Antibodies ... 21-hydroxylase antibodies
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
Multi-system autoimmune ... skin thickening Signs ... : scleroderma renal ... 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 ... diagnosis #comparison #rheumatology
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
Thrombocytopenia, Autoimmune ... hemolysis • Renal ... Highly specific antibodies ... Erythematosus #diagnosis #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis ... RP-ILD), dermato-rheumatologic ... papules and Gottron sign ... ) • Shawl sign ... Myositis #Myopathy #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Still disease, dermatomyositis ... disease • Non-autoimmune ... rheumatologic diseases ... deficiencies • Autoimmune ... APLA/LAC: • Renal