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vol.38 número1Fibrodisplasia ossificante progressiva: relato de caso e achados radiográficos índice de autoresíndice de assuntospesquisa de artigos
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Radiologia Brasileira

versão On-line ISSN 1678-7099

Resumo

NACIF, Marcelo Souto et al. Foramen magnum schwannoma: review of the literature and report of a case. Radiol Bras [online]. 2005, vol.38, n.1, pp.75-78. ISSN 1678-7099.  https://doi.org/10.1590/S0100-39842005000100015.

The authors report an unusual presentation of a voluminous neck schwannoma in a 53-year-old female that presented with a three-year history of progressive weakness associated with impaired movement of the limbs. Neurological examination revealed postural instability, unstable and paraparetic gait, tetraparesis and dyspnea. A preoperative magnetic resonance imaging of the neck revealed an expansive, extradural, well-circumscribed lesion, with soft-tissue attenuation, at the level of C1-C2 vertebral bodies. During surgery, the tumor was found to be extradural, lateral to the cervical spinal cord, attached to the C1 left nerve root and extending upwards through the foramen magnum. Histopathological analysis of the resected specimen confirmed the diagnosis of schwannoma. The patient showed a favorable outcome with progressive improvement of the symptoms. Magnetic resonance imaging proved to be valuable in the detection and evaluation of the lesion, although the definite diagnosis was achieved only after histopathological studies. We concluded that magnetic resonance imaging for early diagnosis and prompt surgical resection seems to be the best approach to achieve good prognosis.

Palavras-chave : Schwannoma; Central nervous system; Foramen magnum.

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