10 results
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
Dermatitis - ... mediated, delayed-type ... hypersensitivity ... #Contact #Dermatitis ... #Dermatology #Rash
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
: Summary Type ... conjunctivitis Type ... Syndrome, Contact Dermatitis ... #Allergy #Allergic ... #Reactions #Types
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 ... Syndrome • Contact Dermatitis ... ivy) #TypeIV #Type4
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
of hypersensitivity ... Mechanism of Action: Allergen-specific ... Examples: Contact dermatitis ... Graft rejection #hypersensitivity ... #allergy #table
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
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
vesiculobullous type ... Moccasin type ... dyshidrotic, atopic, or allergic ... eczematous dermatitis ... #photo #foot #dermatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
febrile neutrophilic dermatosis ... such as certain types ... CANDLE syndrome - Allergic ... contact dermatitis ... Syndrome #diagnosis #dermatology
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
Secondary Causes: - Allergic ... disorders - Drug hypersensitivity ... disorders HES Types ... eosinophilia #diagnosis #hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne • A dermatosis ... form of delayed-type ... hypersensitivity ... differential #diagnosis #dermatology