Advances in toxic epidermal necrolysis

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Abstract
On the basis of the clinicopathologic and causative characteristics, one can separate an erythema multiformis spectrum from a toxic epidermal necrolysis (TEN)-Stevens Johnson syndrome which is a drug induced disease. Despite a well-known clinical aspect, several cutaneous diseases may be mistaken for TEN. Responsible drugs are sulfonamides anticonvulsants, and nonsteroidal antiinflammatory drugs--patients infected with HIV are at a higher risk of developing TEN. Pathogenesis includes abnormal drug metabolism and cell mediated immune keratinocyte apoptosis. Treatment relies on symptomatic management and so-called specific treatments including steroids are probably harmful.

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