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Doença arterial obstrutiva idiopatica (moyamoya): estudo de quatro casos

Idiopathic arterial occlusive disease (Moyamoya): report of four cases

Resumos

São relatados quatro casos da doença arterial oclusiva tipo "moyamoya", com comentários a respeito de aspectos clínicos, radiológicos e embriológicos. É enfatizada a importância do estudo radiológico no qual está baseado o diagnóstico da entidade. São considerados importantes o estudo radiológico simples, o local da oclusão, as anomalias vasculares associadas, a circulação colateral e o sítio da rede vascular telangiectásica. A incerteza da etiologia do processo é comentada.


Four cases of the occlusive arterial disease "moyamoya" type, are reported with comments on the clinical, roentgenological and embriological aspects. The clinical onset in all four cases was of isquemic type, in spite of different ages (2 adult male, one young adult female, 1 child female). Some particular symptoms are analysed, mainly the constant complaint of episodes in which the patient is, suddenly, extremely tired. The causes of this episodes are thought to be due to suddenly lowering of the cerebral perfusion in the disease. The importance of the radiological appearance is emphasyzed. The plain roentgenographic films, the site of the occlusion, the associated vascular malformations, the collateral circulation and the site of the vascular nest, are discussed. Some embriologic aspects of the etiology including the variable time onset of the pathologic process are also discussed.


Doença arterial obstrutiva idiopatica (moyamoya): estudo de quatro casos

Idiopathic arterial occlusive disease (moyamoya): report of four cases

Luis Renato Mello

Responsável pelo Serviço de Neurologia e Neurocirurgia, Hospital Santa Isabel, Blumenau, SC

RESUMO

São relatados quatro casos da doença arterial oclusiva tipo "moyamoya", com comentários a respeito de aspectos clínicos, radiológicos e embriológicos. É enfatizada a importância do estudo radiológico no qual está baseado o diagnóstico da entidade. São considerados importantes o estudo radiológico simples, o local da oclusão, as anomalias vasculares associadas, a circulação colateral e o sítio da rede vascular telangiectásica. A incerteza da etiologia do processo é comentada.

SUMMARY

Four cases of the occlusive arterial disease "moyamoya" type, are reported with comments on the clinical, roentgenological and embriological aspects. The clinical onset in all four cases was of isquemic type, in spite of different ages (2 adult male, one young adult female, 1 child female). Some particular symptoms are analysed, mainly the constant complaint of episodes in which the patient is, suddenly, extremely tired. The causes of this episodes are thought to be due to suddenly lowering of the cerebral perfusion in the disease. The importance of the radiological appearance is emphasyzed. The plain roentgenographic films, the site of the occlusion, the associated vascular malformations, the collateral circulation and the site of the vascular nest, are discussed. Some embriologic aspects of the etiology including the variable time onset of the pathologic process are also discussed.

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Centro de Neurologia e Neurocirurgia - Hospital Santa Isabel - 89100 Blumenau SC - Brasil.

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Datas de Publicação

  • Publicação nesta coleção
    30 Ago 2012
  • Data do Fascículo
    Set 1977
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