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Introduction. The onset of post- anoxic encephalopathies can be delayed after the acute hypoxic injury. Case report. We present the case of a 45- year- old woman who achieved complete recovery from an episode of hypoxia related to a suicide attempt (ingestion of benzodiazepine). Three weeks later she developed a confusional state with akinetic mutism and parkinsonism. Brain CT- scan showed bilateral hemispheric white matter hypodensities. MRI showed extensive bilateral hyperintensities on T2- weighted and Flair sequences within the hemispheric white matter and the globus pallidus. EEG showed diffuse slow activity. All investigations for leukodystrophies were negative. Brain biopsy showed normal cortex and widespread demyelination with axonal sparing in the underlying white matter. The patient experienced a partial clinical recovery. Conclusion. The clinical course and the results of paraclinic investigations were consistent with the diagnosis of delayed post- anoxic leukoencephalopathy.
Introduction. The onset of post-anoxic encephalopathies can be delayed after the acute hypoxic injury. Case report. We present the case of a 45- year- old woman who achieved complete recovery from an episode of hypoxia related to a suicide attempt (ingestion of Three weeks later she developed a confusional state with akinetic mutism and parkinsonism. Brain CT-scan showed bilateral hemispheric white matter hypodensities. MRI showed extensive bilateral hyperintensities on T2-weighted and Flair sequences within the hemispheric white matter and the globus pallidus. The investigations experienced a partial clinical recovery. Conclusion. The clinical course and the results of paraclinic investigations were consistent with the diagnosis of delayed post-anoxic leukoencephalopathy .