5 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
complexes • Ex: Systemic ... Lupus Erythematosus ... #Allergic #Reactions ... #Types #Classification ... #Diagnosis #Definitions
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
• Bullous systemic ... lupus erythematous ... drug eruption #Vesicular ... Vesiculobullous #SkinRash ... #dermatology #Differential
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
- Local and systemic ... lupus erythematosus ... - Contact dermatitis ... #Classification ... #Diagnosis #Reactions
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... and bullous or vesicular ... lupus erythematosus ... disease, drug reactions ... #rheumatology #classification
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
such as certain types ... CANDLE syndrome - Allergic ... Leukocytoclastic vasculitis ... ’s syndrome - Lupus ... #dermatology #oncology