16 results
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
Dermatitis - ... , delayed-type hypersensitivity ... #Contact #Dermatitis ... #Allergic #Allergy ... #Dermatology #Rash
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... fever, Urticaria, Allergic ... Syndrome, Contact Dermatitis ... #Allergy #Allergic ... Classification #Diagnosis
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
- Differential Diagnosis ... ) • Nummular Dermatits ... anyone - Allergic ... Eczematous #SkinRash #dermatology ... #Differential #Diagnosis
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... When the specific allergen ... - Contact dermatitis ... sclerosis #Hypersensitivity ... #Diagnosis #Reactions
A quick infographic on various pearls about atopic dermatitis, a disease with an increasing burden on
medications #treatment #diagnosis ... #eczema #dermatology ... D, Galloway G, Murray ... Allergy. 2018;73 ... J Allergy Clin Immunol
Top Ten Contact Allergens (North American Contact Dermatitis Group) and Other Common Contact Allergens

#Contact #Allergens #Top
American Contact Dermatitis ... Differential #Causes #Diagnosis ... #Allergy #Dermatitis ... #Dermatology
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
- Differential Diagnosis ... Allergies): - Allergic ... Rhinitis - Allergic ... Dermatitis - ... #Causes #hematology
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
- Differential Diagnosis ... antibiotics and avoid allergic ... reaction • Contact dermatitis ... stasis • Stasis dermatitis ... mimickers #Causes #dermatology
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
- Differential Diagnosis ... released during an allergic ... basophilic leukemia Hypersensitivity ... #Differential #Diagnosis ... #causes #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Pigmented Purpuric Dermatosis ... Vasculitis: • Hypersensitivity ... #Differential #Diagnosis ... #nonpalpable #dermatology