12 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Vesicopustule on erythematous ... Antiphospholipid-antibody ... lesions • Discoid lupus ... erythematosus ... #differential #diagnosis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
) • Systemic lupus ... erythematosus ... Polymyositis and dermatomyositis ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... (SLE) - Diagnosis ... • Immunologic Workup ... Positive in 60-80% of cases ... #Summary #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
or Anti-NucIear Antibody ... erythematosus ( ... , Polymyositis/Dermatomyositis ... ANA #patterns #rheumatology ... #diagnosis #differential
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Discontinuation of causal ... Erythematosus ( ... sle #comparison #table ... #rheumatology # ... diagnosis #management
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
Periorbital heliotrope (blue-purple ... with edema • Erythematous ... violaceous macules and erythematous ... #rheumatology # ... dermatology #diagnosis
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
many differential diagnoses ... #diagnosis #sle ... #clues #system ... #erythematosus # ... rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... joint • Systemic lupus ... erythematosus ( ... (to support a diagnosis ... #diagnosis #testing
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
with edema • Erythematous ... Muscle atrophy may cause ... levels • NXP-2 antibody ... : • ILD was diagnosed ... #diagnosis #management
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... Antineutrophil cytoplasmic antibody ... (e.g. systemic lupus ... erythematosus (