American family physician
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Erythema multiforme is a cutaneous reaction pattern manifested by well-demarcated plaques on the trunk and extremities. Target, or "iris," lesions, with central clearing, are characteristic of this disorder. Erythema multiforme may be a mild condition (erythema multiforme minor), or it may be a severe, possibly life-threatening condition (erythema multiforme major or Stevens-Johnson syndrome). ⋯ However, conditions such as tinea corporis, lupus erythematosus, herpetic gingivostomatitis, Behçet's disease and erosive lichen planus, among others, may mimic erythema multiforme. For mild cases, treatment is supportive, with antibiotics used for secondary skin infections. For severe causes, many physicians use systemic corticosteroids, although this treatment is not universally endorsed.
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Fracture of the growth plate is an injury unique to childhood. Most such fractures heal without permanent deformity. ⋯ The Salter-Harris classification of growth plate injuries aids in estimating both the prognosis and the potential for growth disturbance. The Salter-Harris system classifies growth plate fractures into five groups: type I, fracture through the growth plate; type II, fracture through the growth plate and metaphysis; type III, fracture through the growth plate and epiphysis; type IV, fracture through the growth plate, epiphysis and metaphysis, and type V, crush or compression injury of the growth plate.