7 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... complexes • Ex: Systemic ... Lupus Erythematosus ... Syndrome, Contact Dermatitis ... #Types #Classification
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Differential Diagnosis Algorithm ... • Contact dermatitis ... • Bullous systemic ... lupus erythematous ... Vesiculobullous #SkinRash
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
- Local and systemic ... lupus erythematosus ... - Contact dermatitis ... Hypersensitivity #Types #Classification ... #Pathophysiology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Differential Diagnosis Algorithm ... Reactive: - Systemic ... Lupus Erythematosus ... • Acne • Allergy ... #Causes #Hematology
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
glomerulonephritis, Systemic ... lupus erythematosus ... Examples: Contact dermatitis ... reactions #types #allergy ... #table #classification
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... site in lymphatic system ... with lymphatic system ... Lymphoproliferative #Disorders #Classification ... #pathophysiology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... lesions-interstitial keratitis ... lupus erythematosus ... differential #diagnosis #rheumatology ... #classification