5 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
cephalosporin), Food ... • Ex: Systemic Lupus ... Syndrome, Contact Dermatitis ... #Types #Classification ... #Diagnosis #Definitions
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
- Differential Diagnosis ... herpetiformis ... Bullous systemic lupus ... Vesiculobullous #SkinRash ... #dermatology #Differential
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Diagnosis? ... dyshidrotic, atopic, or allergic ... eczematous dermatitis ... type #clinical #photo ... #foot #dermatology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
seasonal hay fever, food ... , and systemic lupus ... - Contact dermatitis ... Hypersensitivity #Types #Classification ... #Diagnosis #Reactions
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Deep vesicles • Allergic ... dorsal aspect of foot-shoe ... beard, or scalp - Varies ... ; pruritis #dermatology ... #differential #diagnosis