14 results
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
Dermatitis - ... mediated, delayed-type ... #Contact #Dermatitis ... #Allergic #Allergy ... #Dermatology #Rash
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Hypersensitivity: Summary Type ... conjunctivitis Type ... Graves' Disease Type ... • Ex: Systemic Lupus ... Syndrome, Contact Dermatitis
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Differential Diagnosis Algorithm ... anyone - Allergic ... #Eczematous #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Differential Diagnosis Algorithm ... • Contact dermatitis ... Bullous systemic lupus ... Vesiculobullous #SkinRash ... #dermatology #Differential
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... , and systemic lupus ... - Contact dermatitis ... Pathophysiology #Allergy
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... glomerulonephritis, Systemic lupus ... Examples: Contact dermatitis ... #allergy #table ... classification #comparison
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Differential Diagnosis Algorithm ... drinks • Perioral Dermatitis ... #Pustular #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Differential Diagnosis Algorithm ... • Systemic Lupus ... • Acne • Allergy ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
A quick infographic on various pearls about atopic dermatitis, a disease with an increasing burden on
#eczema #dermatology ... #skinrash References ... corticosteroids in dermatology ... Allergy. 2018;73 ... J Allergy Clin Immunol
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Differential Diagnosis Algorithm ... soles • Discoid Lupus ... Papulosquamous #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm