[Leigh disease. Presentation of a clinical case]

Leigh's disease is also known as subacute necrotizing encephalomyelopathy. The outstanding clinical features are alterations of the state consciousness, cranial nerve manifestations and bilateral pyramidal signs. The disease is a result of unexplained biochemical disturbances in the private metabolism. In this article we present the clinical characteristics, its course and the features in the nuclear magnetic resonance in a child with Leigh's disease.