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  • 1
    Electronic Resource
    Electronic Resource
    Thickened fatty filum terminale: MR imaging (1991)
    Springer
    Neuroradiology 33 (1991), S. 331-333 
    Details
    ISSN: 1432-1920
    Keywords: Filum terminale ; Fat tissue ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary MR images of four patients with a thickened filum terminale showing a fat signal are presented. There were no related symptoms and no evidence of tethering. The thickened fatty filum terminale seemed to be a developmental anomaly and without clinical significance. As the incidence of this anomaly was 0.24% in our series, knowledge of its possible presence of this anomaly is important for routine reviews of MR image.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00587817
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    MR imaging of wallerian degeneration in the human brain stem after ictus (1990)
    Springer
    Neuroradiology 32 (1990), S. 191-195 
    Details
    ISSN: 1432-1920
    Keywords: Cerebral infarction ; Cerebral hemorrhage ; Brain stem ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Magnetic resonance (MR) imaging of wallerian degeneration in the brain stem was studied in 30 hemiplegic patients within 12 months of ictus. As early as 25 days after the ictus, decreased signal intensities on proton-density (PD)-weighted images were observed in the brain stem ipsilaterally. This hypointensity gradually approached an isointense stage during 70–80 days after the ictus, abnormal intensities were not detected in any pulse sequence. We termed this phenomenon “Fogging effect of wallerian degeneration”. In later stages, at least 81 days after the ictus, increased signal intensities on T2-weighted images, with or without decreased signal intensities on T1-weighted images, were observed in the brain stem, ipsilaterally. Finally, at least six months after the ictus, mild shrinkage of the ipsilateral brain stem was newly detected on the T1-weighted images. MR imaging has proven to be a sensitive diagnostic modality for evaluating wallerian degeneration in the brain stem.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00589109
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Serial MR imaging in Creutzfeldt-Jakob disease (1991)
    Springer
    Neuroradiology 33 (1991), S. 364-367 
    Details
    ISSN: 1432-1920
    Keywords: Creutzfeldt-Jakob disease ; Brain atrophy ; White matter degeneration ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Serial magnetic resonance (MR) imagings of two autopsied patients with Creutzfeldt-Jakob disease (CJD) are presented. Both patients showed a dramatic progression of brain atrophy. The initial MR imagings were, however, interpreted as normal except for localized mild cortical atrophy in one patient. When a normal MR image is obtained in a demented middle-aged or aged patient, CJD may still need to be ruled out: follow up MR imaging may be useful.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00587828
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Olivary degeneration after cerebellar or brain stem haemorrhage: MRI (1993)
    Springer
    Neuroradiology 35 (1993), S. 335-338 
    Details
    ISSN: 1432-1920
    Keywords: Olivary degeneration ; Cerebellar haemorrhage ; Brain stem haemorrhage ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Magnetic resonance (MR) images of seven patients with olivary degeneration caused by cerebellar or brain stem haemorrhages were reviewed. In four patients with cerebellar haemorrhage, old haematomas were identified as being located in the dentate nucleus; the contralateral inferior olivary nuclei were hyperintense on proton-density- and T2-weighted images. In two patients with pontine haemorrhages, the old haematomas were in the tegmentum and the ipsilateral inferior olivary nuclei, which were hyperintense. In one case of midbrain haemorrhage, the inferior olivary nuclei were hyperintense bilaterally. The briefest interval from the ictus to MRI was 2 months. Hypertrophic olivary nuclei were observed only at least 4 months after the ictus. Olivary degeneration after cerebellar or brain stem haemorrhage should not be confused with ischaemic, neoplastic, or other primary pathological conditions of the medulla.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588362
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    MR imaging of intracranial vertebral artery occlusion (1989)
    Springer
    Neuroradiology 31 (1989), S. 403-407 
    Details
    ISSN: 1432-1920
    Keywords: Vertebral artery ; Basilar artery ; Arterial occlusion ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Magnetic resonance (MR) images of nine patients with intracranial vertebral artery occlusion (five proved, four presumed) have been reviewed. In two of nine, both vertebral arteries were occluded and in five of the nine, the basilar artery was also blocked. All occluded arteries showed absence of flow void and were clearly demonstrated as mildly hypo-∼mildly hyperintense structures to brainstem parenchyma on the T1-weighted images. In two of five patients with basilar artery occlusion, retrograde filling of the distal basilar artery was detected. Thus, MR imaging, in particular the T1-weighted image, is a pertinent diagnostic modality for evaluating intracranial vertebral artery occlusion. Angiography does not seem to be required for confirmation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00343864
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    Paper (German National Licenses)
    Fulltext
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