PMID: 11908132Mar 23, 2002Paper

Lyell syndrome in Senegal: responsibility of thiacetazone

Annales de dermatologie et de vénéréologie
D Mame ThiernoB Ndiaye

Abstract

Toxic epidermal necrolysis is a severe disease often leading to death or to mucosal, particularly ocular, after effects. The principle drugs responsible are antibacterial sulfonamides, anti-epileptics, non-steroid anti-inflammatories, allopurinol and chlormezanone. We report a series of 38 cases of toxic epidermal necrolysis, observed in Dakar, imputable to thiacetazone and lethal in 60 percent of cases. Our study was retrospective. Diagnosis of toxic epidermal necrolysis was made in patients presenting more than 30 p. 100 of the epidermis of their total body surface stripped off, multi-orificial mucosal damage and epidermal necrosis revealed on histological examination. Drug imputability was established on classical criteria. Treatment was composed of reanimation and antibiotics. Among the 38 cases of toxic epidermal necrolysis counted, 24 were imputable to thiacetazone. All the patients presented typical clinical features, confirmed histologically. Evolution was lethal in 60 p. 100 of cases. The causes of death were frequently hypovolemic shock during the first week and septic shock during the second. The deceased were generally aged over 50, had more than 50 p. 100 of total epidermis stripped off, presented evolving tubercul...Continue Reading

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