13 results
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
Allergic Contact ... Dermatitis - ... , delayed-type hypersensitivity ... #Dermatitis #Allergic ... #Allergy #Dermatology
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... fever, Urticaria, Allergic ... Stevens-Johnson Syndrome, Contact ... Dermatitis (ie. ... #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 ... Allergic reaction ... Stevens-Johnson Syndrome • Contact ... Dermatitis (Ex.
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
) • Nummular Dermatits ... • Contact Dermatitis ... confined to area of contact ... anyone - Allergic ... Eczematous #SkinRash #dermatology
Top Ten Contact Allergens (North American Contact Dermatitis Group) and Other Common Contact Allergens

#Contact #Allergens #Top
Top Ten Contact ... North American Contact ... Dermatitis Group ... Causes #Diagnosis #Allergy ... #Dermatitis #Dermatology
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 ... sclerosis #Hypersensitivity
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, Tuberculin ... reactions #types #allergy
A quick infographic on various pearls about atopic dermatitis, a disease with an increasing burden on
#eczema #dermatology ... corticosteroids in dermatology ... D, Galloway G, Murray ... Allergy. 2018;73 ... J Allergy Clin Immunol
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
to mast cells- contain ... released during an allergic ... basophilic leukemia Hypersensitivity ... Diagnosis #causes #hematology
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
antibiotics and avoid allergic ... Drug reaction • Contact ... dermatitis • ... stasis • Stasis dermatitis ... mimickers #Causes #dermatology