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Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... - Differential Diagnosis ... • EGPA: - Eosinophilia ... : • Behçet Syndrome ... • Cogan Syndrome
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Sweet Syndrome ... - Allergic contact ... Leukocytoclastic vasculitis ... Leukemia cutis Diagnosis ... #Syndrome #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... progressive) EGPA (Eosinophilic ... Polyangiitis): • Eosinophilia ... • Cogan syndrome
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, small-vessel vasculitis ... panuveitis, retinal vasculitis ... response to local skin ... MCC-small vessel vasculitis ... #diagnosis #management
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Cellulitis: Deep skin ... antibiotics and avoid allergic ... Angioedema • Sweet ... syndrome • Gout ... Sarcoidosis • Eosinophilic
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Decades (can be any age ... Diagnosis: • Dry ... ) • Cutaneous vasculitis ... : 2% Systemic Vasculitis ... #Management
Pathergy Summary Overview

What is pathergy?
Pathergy is an exaggerated skin injury occurring after minor trauma such as
minor trauma such as ... gangrenosum (PG) • Sweet ... syndrome • Chronic ... interferon-alpha • Atypical eosinophilic ... #differential #allergy