[Oral lesions in toxic epidermal necrolysis]

In the oral mucosa it can be observed lesion produced by general disease. These, in some occasions help to obtained diagnosis, but in other it makes a lot of difficulties. We observed a patient with a toxic epidermal necrosis. His first signs were herpes oral lesions. We made a differential diagnosis with other dermatological process, and examined the possibilities in obtaining a diagnosis and the validity of the analytical data.