4 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Allergen-specific lgE causes ... antigens, leading ... #classification ... #comparison
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... patients Skin histology ... - Mast cell degranulation ... #rheumatology #comparison ... #table
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
potential inciting causes ... to have a "wood-grain ... • Causes are multiple ... with variety of causes ... #table #differential
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
various tissues, leading ... Incidence: 4–5 cases ... • Endocrine Dysfunction ... Histology & Immunophenotyping ... therapies for cases