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Hippocampal sclerosis and status epilepticus: cause or consequence? A MRI study
Kuster, Gustavo Wruck; Braga-Neto, Pedro; Santos-Neto, Denizart; Santana, Maria Teresa Garcia; Maia Júnior, Antonio Carlos Martins; Barsottini, Orlando Graziani Povoas.
  • Kuster, Gustavo Wruck; University of São Paulo. Department of Neurology. São Paulo. BR
  • Braga-Neto, Pedro; University of São Paulo. Department of Neurology. São Paulo. BR
  • Santos-Neto, Denizart; University of São Paulo. Department of Neurology. São Paulo. BR
  • Santana, Maria Teresa Garcia; University of São Paulo. Department of Neurology. São Paulo. BR
  • Maia Júnior, Antonio Carlos Martins; Fleury Institute. Magnetic Resonance Imaging Unit. São Paulo. BR
  • Barsottini, Orlando Graziani Povoas; University of São Paulo. Department of Neurology. São Paulo. BR
Arq. neuropsiquiatr ; 65(4b): 1101-1104, dez. 2007. ilus
Article in English | LILACS | ID: lil-477752
ABSTRACT

BACKGROUND:

Transient imaging abnormalities, including changes on diffusion-weighted imaging (DWI), may be seen in status epilepticus. These abnormalities can be followed by hippocampal sclerosis. CASE REPORT We report a 15-year-old lady with focal non convulsive status epilepticus (NCSE) and focal slowing on EEG. DWI exhibited abnormal hyperintense signals in bilateral temporal and insular cortices. After 3 weeks, MRI performed a localizated hippocampal atrophy.

CONCLUSION:

The MRI findings indicated vasogenic and cytotoxic edema during seizure activity and subsequent loss of brain parenchyma.
RESUMO

INTRODUÇÃO:

Anormalidades transitórias de imagem, incluindo imagens de ressonância magnética por difusão (DWI), podem ser vistas no status epilepticus. Essas anormalidades podem ser seguidas de esclerose hipocampal. RELATO DE CASO Nós relatamos uma jovem de 15 anos com status focal não convulsivo e lentificação focal no EEG. DWI mostrava sinal hiperintenso em regiões temporais bilaterais e córtex insular. Após 3 semanas, RM de encéfalo mostrava atrofia localizada do hipocampo.

CONCLUSÃO:

Os achados de RM indicam edema vasogênico e citotóxico durante as crises epilépticas com subseqüente atrofia de parênquima cerebral.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Status Epilepticus / Hippocampus Limits: Adolescent / Female / Humans Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: Fleury Institute/BR / University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Status Epilepticus / Hippocampus Limits: Adolescent / Female / Humans Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: Fleury Institute/BR / University of São Paulo/BR