10 results
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Dermatological semiology of Cutaneous ... Identification of causes ... the context of cutaneous ... disease (10%) : SLE ... #dermatology #semiology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Rare (SSA+ for cutaneous ... Discontinuation of causal ... rare), Topics for cutaneous-DIL ... Lupusreference #druginduced ... #lupus #sle #comparison
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
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 ... , and SLE) • Urinalysis ... #rheumatology #classification
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
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Skin Disease Classification ... : • Acute cutaneous ... ANCA-associated vasculitis ... Vasculitis: •
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... Henoch-Schönlein purpura) • Cutaneous ... (e.g. systemic lupus ... diagnosis #types #classification
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... reactions, and vaso-occlusive ... Strong sign of cutaneous ... tract, and often causes ... (lower legs), cutaneous
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 ... Rare (SSA+ for cutaneous ... Discontinuation of causal ... rare), Topics for cutaneous-DIL ... Lupusreference #DrugInduced
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Most common extra cutaneous ... Causes: - Idiopathic ... Leukocytoclastic vasculitis ... ’s syndrome - Lupus ... Syndrome #diagnosis #dermatology