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  • Title: [Lumbosacral spinal cord infarction. Data from magnetic resonance imaging].
    Author: Pou Serradell A, Aragonés JM, Oliveras C, Obach J, Comas P, Alom J, Capdevila A.
    Journal: Rev Neurol (Paris); 1990; 146(4):293-6. PubMed ID: 2193338.
    Abstract:
    A 77-year old woman and a 61-year old man with lumbosacral spinal cord ischaemic lesions and paraplegia presented with dissociated or partial forms of the lumbar enlargement artery (Adamkiewicz's artery) syndrom. Magnetic resonance imaging (MRI) was performed in both patient with an 0.15 Tesla resistive magnet. A hypersignal on T2-weighted images was present in both cases, which corresponded to the infarction affecting the lumbosacral part of the cord. MRI provided accurate delineation of the lesions and clinicoradiological correlations in both patients. The hypersignal occupied the lumbar cord in case 1 and the conus medullaris in case 2. The clinical signs and location of the lesions seemed to be determined by the different patterns of lumbosacral arterial supply. Since such images could be confused with tumoral images, surgical exploration was carried out in both patients; it failed to demonstrate any tumour or cyst and only showed a pale cord. Surgical cord biopsy in case 2 demonstrated ischaemic tissue. We conclude that ischaemia of the spinal cord can be demonstrated by MRI, but owing to the low specificity of this imaging method aedema cannot be distinguished from necrosis, gliosis or demyelination.
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