11 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... Antibody) and ANCA ... in drug-induced SLE ... #Antinuclear #Antibody ... antibodies #diagnosis #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Antibody refers ... assay (IFA) is the main ... scleroderma • Peripheral ... #patterns #rheumatology
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... Scl70 (in some cases ... ARUPConsult @ARUPLabs #ANA ... #Antinuclear #Antibody ... differential #diagnosis #rheumatology
Antinuclear Antibody Testing - Nuclear Patterns
Homogeneous pattern: 
 • SLE, SSc, AIH, JIA
 • dsDNA, chromatin,
Antinuclear Antibody ... Homogeneous pattern: • SLE ... pattern: • SjS, SLE ... #Antinuclear #Antibody ... differential #diagnosis #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... ) - Antinuclear ... antibody (ANA) test ... , and low back pain ... diagnosis #testing #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... glomeruli, and peripheral ... , testes -> pain ... vasculitis, and SLE ... differential #diagnosis #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... DDX: • ANCA (Antineutrophil ... cytoplasmic antibody ... classification #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Distribution - peripheral ... weeks) Can Be Caused ... arthritis • SLE ... Differential #Diagnosis #MSK ... #rheumatology #
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
blasts in the peripheral ... infections, bone pain ... -> AML: Blast crises ... #Leukemia #Hematology ... #Oncology #Diagnosis
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
overlaps with RA, SLE ... ab • RF • Antinuclear ... Nephrogenic DI Hematologic ... phenomenon (16%) MSK ... Sjogrens #Syndrome #Rheumatology