13 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Erythematosus ( ... SLE), should have ... #Disorders #msk ... #Differential #
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... 40% Target: SS-A/Ro ... is clinically suspected ... #erythematosus ... #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Suspect: Clinical ... permanent alopecia Differential ... Arthritis: • Joint ... arthropathy • 90% joints
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... Diagnosis Algorithm ... Arthritis • Systemic Lupus ... Erythematosus ... Inflammatory #JointPain #MSK
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SLICC SLE Diagnostic ... Erythematosus Clinical ... INVOLVING 2 OR MORE JOINTS ... SEROSITIS - RENAL - NEUROLOGIC ... #Lupus #Erythematosus
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... likely it will be clinically ... Kumfer @AnnKumfer #Antinuclear ... #rheumatology #diagnosis ... #differential
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
Clinical Domains ... in at least 2 joints ... • Neurologic ... Classification #Criteria #SLE ... #diagnosis #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... spondyloarthropathies, lupus ... Chronic = RA, SLE ... #Joint #Pain #MSK ... approach #workup #differential
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
• Systemic lupus ... erythematosus ( ... SLE) - Antinuclear ... (to support a diagnosis ... ANA and RF (if clinical
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
overlaps with RA, SLE ... Antibodies: Anti-Ro ... ab • RF • Antinuclear ... salivary ducts Clinical ... phenomenon (16%) MSK