29 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
, Drug-induced Lupus ... SLE), Sjogren's Syndrome ... Kumfer @AnnKumfer #Antinuclear ... ANA #patterns #rheumatology ... #diagnosis #differential
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... spondyloarthropathies, lupus ... #rheumatology # ... approach #workup ... #differential #diagnosis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... arthritis - (Reiter’s syndrome ... with Systemic Lupus ... should have other symptoms ... #Differential #Diagnosis
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... - Summary Antinuclear ... #Systemic #Lupus ... #SLE #Summary #diagnosis ... #rheumatology #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... context of other symptoms ... SLE), Sjogren's Syndrome ... ANA #patterns #rheumatology ... #diagnosis #differential
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... phenomenon (20%) Joints ... Demyelinating syndromes ... erythematosus #signs #symptoms ... #diagnosis #rheumatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
-C3 GN • Cast ... Scleromyxedema (CNS+GI+CVS+joints ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... #Differential #Diagnosis
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... SLE-SSc-AlM overlap syndromes ... Lupusreference #Antinuclear ... erythematosus #diagnosis ... #rheumatology #
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... ) • Systemic lupus ... cases • Sjögren syndrome ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... #differential #diagnosis ... #rheumatology