10 results
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... Initial screening test ... severe disease Treatment ... #Systemic #Lupus ... Summary #diagnosis #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... Syndrome (MAS) ... erythematosus [SLE ... Liver function tests ... Treatment: • Corticosteroids
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... and Systemic lupus ... clinically suspected, tests ... overlap syndromes ... erythematosus #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Non-autoimmune rheumatologic ... 1, SCL-70, RNP antibodies ... anticardiolipin antibodies ... Chronic B-cell activation
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... joint • Systemic lupus ... erythematosus (SLE ... double-stranded DNA antibodies ... diagnosis #testing #Rheumatology
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
• Presents as ... • New onset SLE ... after exposure • Antibodies ... HIV-1 or HIV-2 antibodies ... ) Treatment:
Statin Induced Muscle Toxicity - Summary

Clinical Presentation:
 • Elevations of serum creatine kinase with proximal myalgia
any time during treatment ... Guillain-Barré syndrome ... GBS), systemic lupus ... erythematosus (SLE ... myopathy (IMNM) → Antibodies
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
systemic lupus ... retinopathy Lab Tests ... C-ANCA) pattern: antibodies ... vasculitis, and SLE ... differential #diagnosis #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
hyperinflammatory syndrome ... (often termed MAS-HLH ... Syndrome) 3. ... inhibitors, anti-IFN-γ antibodies ... Diagnosis #Management #Hematology
Relapsing Polychondritis

What is it?
Recurrent inflammation of the cartilage in the body (Autoimmune disorder)

Who?
• Most frequently: 40
: • SLE • RA - ... Diagnosis: • Clinical tests ... Anti-Matrilin-1 Ab ○ Antibodies ... affected tissue Treatment ... Polychondritis #rheumatology