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  • 1
    Electronic Resource
    Electronic Resource
    MRI of extradural spinal tumours at 0.3 T (1993)
    Springer
    Neuroradiology 35 (1993), S. 370-374 
    Details
    ISSN: 1432-1920
    Keywords: Magnetic resonance imaging ; Extradural tumours ; Spinal metastases
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Ninety-one patients with extradural spinal tumours were examined by magnetic resonance imaging. There were 76 metastases (6 from unknown primary tumours). Seven patients had primary spinal tumours and 8 had multiple myeloma. Sixteen had bulging, diseased vertebral bodies compressing the subarachnoid space and 67 had extradural tumour compressing the spinal cord. Sixty patients had paravertebral involvement. Intraspinal involvement did not correlate with the extent of spinal lesions. All patients had vertebral destruction, with hypointense or combined hypo- and isointense signal relative to bone marrow on T1-weighted images. In most of the 22 patients with T2-weighted images the tumours were isointense or slightly hyperintense. It was usually impossible to differentiate the various tumours on the basis of signal intensity and morphology. However, metastases from carcinoma of the prostate were often more hypointense than other tumours on T1- and T2-weighted images. An inhomogeneous pattern in which diffusely low signal is combined with focal lower signal on T1-weighted images may suggest myeloma. In the 22 patients examined with both T1- and T2-weighted images, T1-weighted images gave the best information in 18; in 3 they were equivalent and in 1 inferior to T2-weighted images; they are therefore recommended for routine imaging of epidural spinal tumours.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588373
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    MRI and proton spectroscopy in a child with Rasmussen's encephalitis. Case report (1999)
    Springer
    Neuroradiology 41 (1999), S. 935-940 
    Details
    ISSN: 1432-1920
    Keywords: Key words Encephalitis ; Rasmussen's ; Magnetic resonance imaging ; Magnetic resonance spectroscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The greater sensitivity of magnetic resonance spectroscopy (MRS) compared with MRI to brain abnormalities in Rasmussen's encephalitis was demonstrated in a 3-year-old boy. The patient, with symptoms, signs and morphological findings consistent with Rasmussen's encephalitis, was followed with MRI and MRS over 30 months. That metabolic changes can be disclosed by MRS before the development of symptoms or signs was demonstrated as pathological spectra were found not only in the diseased left hemisphere but also in the morphologically normal right hemisphere before any neurological disturbance of that side.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050870
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Aortic pathology revealed by MRI in patients with clinical suspicion of spinal disease (1993)
    Springer
    Neuroradiology 35 (1993), S. 499-502 
    Details
    ISSN: 1432-1920
    Keywords: Magnetic resonance imaging ; Spine ; Aortic disease ; Aortic aneurysm ; Aortic dissection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In five patients with clinical suspicion of spinal disease, MRI of the spine revealed unexpected aortic pathology explaining the symptoms. No significant intraspinal pathology was found on MRI. However, in one patient with clinical suspicion of spinal stenosis, an aortic occlusion was detected on MR images of the spine. The lower extremity ischaemia, caused by the occlusion, was responsible for the symptoms. In another patient a paravertebral haematoma from a ruptured aortic aneurysm resulted in spinal nerve compression, thought before MRI to be caused by a spinal tumour. In three patients aortic aneurysm or dissection resulted in spinal cord ischaemia with symptoms mimicking those of compressive spinal disease. Thus, if MRI of the spine does not provide an explanation for the patient's symptoms, examination of the aorta is recommended.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588705
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Paragangliomas of the spinal canal (1999)
    Springer
    Neuroradiology 41 (1999), S. 788-794 
    Details
    ISSN: 1432-1920
    Keywords: Key words Paraganglioma spinal ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report the clinical MRI and histopathological features of five consecutive cases of spinal paraganglioma. Three intradural tumours were found in the typical location (two at the L4, one at the S2 level); one intradural extramedullary tumour arose at an unusual level, from the ventral C2 root, and one extradural tumour growing along the L5 nerve root sheath had an aggressive growth pattern with early, local paraspinal recurrence and, eventually, intradural metastatic spread. This type of growth pattern has not been described previously. Paragangliomas of the spinal canal are more common than previously thought and can be located anywhere along the spine, although the lumbosacral level is the most common. Their appearance on MRI can not disinguish them from other tumours in the spinal canal. Even though paragangliomas in general are benign and slowly growing their growth pattern can vary and be more aggressive, to the point of metastatic spread.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050843
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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