7 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 ... #signs #lesions
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
: • Vascular occlusion ... Drug induced - Bone ... Splenomegaly - CTD (SLE ... Associated - SLE ... #nonpalpable #dermatology
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 ... pathophysiology #diagnosis #signs
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... reactions, and vaso-occlusive ... purpura: strong sign ... , and SLE) • Urinalysis ... #rheumatology #classification
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 ... purpura: Strong sign ... of cutaneous leukocytoclastic ... tract, and often causes
Sweet Syndrome

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