11 Questions
What is the classification of Erythema Multiforme with involvement of one or more mucous membranes?
Erythema Multiforme Major
What is the risk factor for developing Erythema Multiforme/ Steven-Johnson Syndrome/ Toxic Epidermal Necrosis?
Viral infection
What causes the increased vascular permeability in Urticaria (Hives)?
Transcytosis
What type of hypersensitivity is associated with Erythema Multiforme/ Steven-Johnson Syndrome/ Toxic Epidermal Necrosis?
Type IV Hypersensitivity
What is the management approach for Chronic Urticaria?
Antihistamines
What is the prognosis of Acute Urticaria?
Resolves in 1-4 days
What is the pathophysiology of Steven-Johnson Syndrome and Toxic Epidermal Necrosis?
Cell Mediated Immunity causing epithelial apoptosis and inflammatory reaction
What are the characteristic skin lesions seen in Erythema Multiforme?
Target lesions
What type of cells are involved in the epidermis in Erythema Multiforme?
CD8+ and macrophages
What are the oral manifestations associated with Erythema Multiforme?
Deep ulcerations localized to inferior tongue and bilateral posterior buccal mucosa
What does the term 'spongiosis' refer to in Acute Eczematous Dermatitis?
Dermal edema
Test your knowledge about acute inflammatory and eczematous dermatoses such as urticaria (hives) and erythema multiforme. Explore the clinical features, causes, prognosis, and management of these skin conditions.
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