6 results
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Type IV Hypersensitivity ... causes development ... Syndrome • Contact Dermatitis ... ivy) #TypeIV #Type4 ... #HypersensitivityReaction
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Type III Hypersensitivity ... : • Systemic Lupus ... antigens are the cause ... #HypersensitivityReaction ... #Allergy #Immunology
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 ... #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Differential Diagnosis Algorithm ... anyone - Allergic ... #Eczematous #SkinRash ... Differential #Diagnosis #Algorithm ... #causes
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
lgE causes mast-cell ... glomerulonephritis, Systemic lupus ... Examples: Contact dermatitis ... #allergy #table ... classification #comparison
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
febrile neutrophilic dermatosis ... Causes: - Idiopathic ... such as certain types ... CANDLE syndrome - Allergic ... ’s syndrome - Lupus