panencefalite subaguda esclerosante (sspe) de longa evolução
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ID: 163139
1975
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Abstract
Este trabalho tem por finalidade relatar um caso de "panencefalite subaguda esclerosante" (SSPE) com características muito especiais, ocorrendo em uma criança do sexo masculino, com 8 anos de idade. O processo desenvolveu-se de maneira gradativa durante alguns anos. Ao dar-se o óbito, 6 anos após as manifestações clínicas iniciais, cosntatou-se, ao estudo anátomo-patológico, um processo encefalítico em plena evolução, com microgranulomas, infiltrados inflamatórios perivasculares, focos de neuronofagia e inclusões acidófilas intranucleares em células oligodêndricas. Os astrócitos da substância branca cerebral, onde havia desmielinização maciça, exibiam uma reação hiperplástica anormal, com atipias nucleares muito intesnsas. Este caso apresentou, portanto, as características histopatológicas de uma virose crônica, com anos de evolução. Além disso, tendo-se em vista a possibilidade da existência de vírus do grupo papova em casos de SSPE, fato já demonstrado, é possível que no presente caso existissem vírus desde grupo participando do processo, dadas as intensas atipias apresentadas pelos astrócitos nas áreas desmielinizadas.
This article relates a case of subacute sclerosing panencephalitis (SSPE) with special characteristics. The patient was a young male, eight years old. The disease progressed slowly over a period of several years terminating in death six years ofter the initial symptoms. Histopathologic examination revealed an encepahilitic process in evolution, with microgranulomes, perivascular inflammatory infiltrates, areas of neuronophagia, and intranuclear acidophilic inclusions in oligodendroglial cells. The cerebral white matter presented massive areas of demyelination, with astroglial cells undergoing an abnormal hyperplastic reaction with great nuclear atypias. This case, therefore, presented the histopathological picture of a chronic viral infection of several years' duration. Since it has been demonstrated already that viruses of the papova group may play a role in SSPE, it is possible that in this instance there may have been participation by papova viruses, due to the intense astroglial atypias found in the demyelinated areas.
This article relates a case of subacute sclerosing panencephalitis (SSPE) with special characteristics. The patient was a young male, eight years old. The disease progressed slowly over a period of several years terminating in death six years ofter the initial symptoms. Histopathologic examination revealed an encepahilitic process in evolution, with microgranulomes, perivascular inflammatory infiltrates, areas of neuronophagia, and intranuclear acidophilic inclusions in oligodendroglial cells. The cerebral white matter presented massive areas of demyelination, with astroglial cells undergoing an abnormal hyperplastic reaction with great nuclear atypias. This case, therefore, presented the histopathological picture of a chronic viral infection of several years' duration. Since it has been demonstrated already that viruses of the papova group may play a role in SSPE, it is possible that in this instance there may have been participation by papova viruses, due to the intense astroglial atypias found in the demyelinated areas.
| Reference Key |
alencar1975memriaspanencefalite
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|---|---|
| Authors | ;Alexandre Alencar |
| Journal | kurdistan journal of applied research |
| Year | 1975 |
| DOI |
10.1590/S0074-02761975000200005
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| URL | |
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