12 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Systemic lupus erythematosus ... Systemic lupus erythematosus ... , Polymyositis/Dermatomyositis ... #Antinuclear #Antibodies ... ANA #patterns #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... Systemic lupus erythematosus ... Polymyositis and dermatomyositis ... polyangiitis without renal ... #diagnosis #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Antibody refers to antibodies ... Systemic lupus erythematosus ... , Polymyositis/Dermatomyositis ... ANA #patterns #rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
with edema • Erythematous ... chest (in a V-sign ... Inverse Gottron’s sign ... violaceous macules and erythematous ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Still disease, dermatomyositis ... Non-autoimmune rheumatologic ... APLA/LAC: • Renal ... 1, SCL-70, RNP antibodies ... #Diagnosis #Rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... SLE-Related Auto-Antibodies ... Systemic #Lupus #Erythematosus ... autoantibodies #signs ... #differential #rheumatology
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
Systemic Lupus Erythematosus ... hemolysis • Renal ... Highly specific antibodies ... Systemic #Lupus #Erythematosus ... #diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Abdominal pain (20%) Renal ... SLE #systemic #erythematosus ... #signs #symptoms ... #diagnosis #rheumatology
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
Antibodies targeting ... chest (in a V-sign ... shoulders (in a shawl sign ... • Clear cell renal ... diagnosis #management #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pulmonary and renal ... purpura: strong sign ... C-ANCA) pattern: antibodies ... • Urinalysis (Renal ... differential #diagnosis #rheumatology