10 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
erythematosus (SLE ... erythematosus (SLE ... Kumfer @AnnKumfer #Antinuclear ... ANA #patterns #rheumatology ... #diagnosis #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... erythematosus (SLE ... Kumfer @AnnKumfer #Antinuclear ... ANA #patterns #rheumatology ... #diagnosis #differential
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
involvement 3% SLE-Related ... (aPL) 30-45% Differential ... Lupusreference #SLE ... autoantibodies #signs ... #rheumatology
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... Testing - Nuclear ... #Antibody #Testing ... Cytoplasmic #Patterns #differential ... #diagnosis #rheumatology
Antinuclear Antibody Testing Cytoplasmic Patterns
Reticular/AMA: 
 • PBC, SSc, PBC/SSc OS, PBC/SjS OS
 • AMA
Speckled:
 •
Antinuclear Antibody ... Testing Cytoplasmic ... #Antibody #Testing ... Cytoplasmic #Patterns #differential ... #diagnosis #rheumatology
Antinuclear Antibody Testing - Nuclear Patterns
Homogeneous pattern: 
 • SLE, SSc, AIH, JIA
 • dsDNA, chromatin,
Antinuclear Antibody ... Testing - Nuclear ... pattern: • SjS, SLE ... Nuclear #Patterns #differential ... #diagnosis #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... joint • Systemic lupus ... ) - Antinuclear ... - CCP antibody testing ... #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... diseases, such as SLE ... purpura: Strong sign ... #Diagnosis #Rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... noninflammatory Signs ... arthritis • SLE ... Symmetrical: • RA • SLE ... #Joint #pain #Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... such as systemic lupus ... purpura: strong sign ... vasculitis, and SLE ... #diagnosis #rheumatology