11 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Primary: 50% Cutaneous ... : CTD: SLE, RA related ... EGPA - GPA Cutaneous ... : • Cutaneous ... #dermatology #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... Rare (SSA+ for cutaneous ... rare), Topics for cutaneous-DIL ... • Immunologic Workup ... #table #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... Hypersensitivity vasculitis ... lesions • Discoid lupus ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
Subacute Cutaneous Lupus erythematosus (SCLE): Erythematous, warm, plaques in light exposed distribution (also on patient's neck),
Subacute Cutaneous ... Lupus erythematosus ... Lupus Erythematosus ... Images #Clinical #Dermatology ... #SCLE #Photo #UCSDH
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... ANCA-associated vasculitis ... Non-autoimmune rheumatologic ... Vasculitis: • ... Erythematosus #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
aphthous ulcers, cutaneous ... such as systemic lupus ... strong sign of cutaneous ... , and SLE) • Urinalysis ... differential #diagnosis #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
diseases: - 10% SLE ... Henoch-Schönlein purpura) • Cutaneous ... (e.g. systemic lupus ... erythematosus (SLE ... classification #rheumatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
genotypes): SS, SC, SE ... cardiac valve, vasculitis ... Diagnosis #Algorithm #workup ... #hematology #testing
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
gangrenosum • Cutaneous ... Autoimmunity: • -MM/WM: Vasculitis ... Hypergammaglobulinemic macular Vasculitis ... to cold IgG • Lupus ... Paraproteinemias #Hematology
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
is rare in DIL, SCLE-DIL ... • Immunologic Workup ... Rare (SSA+ for cutaneous ... rare), Topics for cutaneous-DIL ... #DIL #rheumatology