12 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... Juvenile Idiopathic Arthritis ... Juvenile Idiopathic Arthritis ... Thyroid, Autoimmune Hepatitis ... ANA #patterns #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
and fever) and laboratory ... Malignancy (e.g. hematologic ... : • Joint pain ... Noninfectious hepatitis ... with: • Minimal laboratory
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
joint • Systemic lupus ... IgM) levels • Hepatitis ... , and low back pain ... ) • Hepatitis ... #laboratory #workup
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... calcium-b) • Laboratory ... versus DIL • Laboratory ... Evolution: Chronic disease ... #diagnosis #management
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Morning stiffness lasting ... Rheumatologic Disease ... B19 • HIV • Hepatitis ... burgdorferi (Lyme disease ... Diagnosis #MSK #rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
pathognomonic laboratory ... SLE, Reactive arthritis ... Nonsurgical abdominal pain ... Syndrome #diagnosis #management ... signs #symptoms #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
• Systemic lupus ... • Fever is the main ... SJIA], systemic lupus ... Syndrome #Diagnosis #Management ... #Hematology #Rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint Pain ... ), RA, crystal disease ... spondyloarthropathies, lupus ... parvovirus, HIV, hepatitis ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... tract: abdominal pain ... lesions-interstitial keratitis ... such as systemic lupus ... , testes -> pain
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
lesions + Rheumatic pain ... nonerosive inflammatory arthritis ... other etiology • Laboratory ... osteoarticular and skin disease ... #diagnosis #management