22 results
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... the context of cutaneous ... disease (10%) : SLE ... #dermatology #semiology ... lesions #diagnosis #clinical
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... • Immunologic Workup ... Rare (SSA+ for cutaneous ... 40, F:M 9:1 • Clinical ... • Immunologic Workup
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
: • Vascular occlusion ... Splenomegaly - CTD (SLE ... Associated - SLE ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
Cutaneous manifestations ... dermatomyositis, SLE ... leukocytoclastic vasculitis ... differential #diagnosis #dermatology ... #oncology #clinical
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... response -> Subacute cutaneous ... hair follicles -> causes ... Livedo Reticularis, Vasculitis ... #SLE #Mucocutaneous
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... 40, F:M 9:1 • Clinical ... , oral ulcers, Lupus ... • Immunologic Workup ... Positive in 60-80% of cases
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... such as systemic lupus ... reactions, and vaso-occlusive ... strong sign of cutaneous ... , and SLE) • Urinalysis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... ) Suspect: Clinical ... ANCA-associated vasculitis ... lymphoproliferative syndrome Clinical ... Vasculitis: •
Subacute Cutaneous Lupus erythematosus (SCLE): Erythematous, warm, plaques in light exposed distribution (also on patient's neck),
Subacute Cutaneous ... Lupus erythematosus ... UCSD Catalog of Clinical ... Images #Clinical ... #Dermatology #SkinRash
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... Syndrome: • Clinical ... Henoch-Schönlein purpura) • Cutaneous ... (e.g. systemic lupus