21 results
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... Demyelinating syndromes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... Splenomegaly - CTD (SLE ... Kasabach-Merritt syndrome ... - APLS • Acute ... Associated - SLE
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... glomerulonephritis) • Anti-GBM ... mucositis - Rash ... • Cogan Syndrome ... , and SLE) • Urinalysis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... • They can cause ... - Purpura - Skin ... Cryoglobulins Cause ... : • Clinical triad
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... ) Suspect: Clinical ... 3rd Decade Skin ... Classification: • Acute ... Clinical Features
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Acute febrile ... sudden onset of a rash ... - Rash: multiple ... Causes: - Idiopathic ... Leukocytoclastic vasculitis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... Maculopapular rash ... • Goodpasture syndrome ... #rash #diagnosis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
antibodies) • Systemic ... in drug-induced SLE ... ) • Systemic sclerosis ... • Sjögren syndrome ... + 90% • Anti-GBM
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... , mucositis • Rash ... tract, and often causes ... pain and GN Anti-GBM ... • Cogan syndrome
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... (cutaneous or systemic ... of necrotizing vasculitis ... observed in acute ... systemic rash resulting