22 results
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
Allergic Contact ... Dermatitis - ... , delayed-type hypersensitivity ... #Allergic #Allergy ... #Dermatology #Rash
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... fever, Urticaria, Allergic ... Immunological Target: Allergen ... Syndrome, Contact Dermatitis ... #Allergy #Allergic
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Type IV Hypersensitivity ... mediated; exposure to allergen ... development of allergen-specific ... Allergic reaction ... Initial exposure to allergen
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... Soluble antigen - Allergen-specific ... When the specific allergen ... - Contact dermatitis ... Pathophysiology #Allergy
Drug Reaction with Eosinophilia and Systemic Signs (DRESS Syndrome): Formerly known as drug hypersensitivity reaction, DRESS
represents
known as drug hypersensitivity ... associated with allergic ... Images #Clinical #Dermatology ... Eosinophilia #Legs #Photo
Drug Reaction with Eosinophilia and Systemic Signs (DRESS Syndrome): Formerly known as drug hypersensitivity reaction, DRESS
represents
known as drug hypersensitivity ... associated with allergic ... Images #Clinical #Dermatology ... Eosinophilia #Photo
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Glucocorticoids Pugs (Allergies ... ): - Allergic ... Rhinitis - Allergic ... Dermatitis - ... Diagnosis #Causes #hematology
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
table of types of hypersensitivity ... Mechanism of Action: Allergen-specific ... Examples: Contact dermatitis ... Graft rejection #hypersensitivity ... reactions #types #allergy
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
) • Nummular Dermatits ... • Seborrheic Dermatitis ... • Contact Dermatitis ... anyone - Allergic ... Eczematous #SkinRash #dermatology
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
eruption secondary to allergic ... Images #Clinical #Dermatology ... #Trunk #Back #Photo