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  • 1
    Electronic Resource
    Electronic Resource
    The value of gadoterate meglumine as a gastrointestinal contrast agent in MRI (1993)
    Springer
    European radiology 3 (1993), S. 248-252 
    Details
    ISSN: 1432-1084
    Keywords: Gadolinium ; Gastrointestinal tract ; MRI ; MRI contrast enhancement ; Paramagnetic contrast agents
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To evaluate the safety and efficacy of a gadoterate meglumine formulation as an oral contrast agent, MRI (0.5 T) was performed on 29 patients with abdominal disease before and after administration of contrast material. The patients ingested 16 ml/kg of a gadoterate meglumine solution (10 g/l glucose, 2 mmol/l gadoterate meglumine) over 1 h. Fourteen per cent of patients had mild side effects related to the contrast agent. Significant hyperintense contrast enhancement was achieved for the stomach and duodenum allowing better delineation of gastric and duodenal walls, entire pancreas and spleen on T1- and T2-weighted spin echo sequences. In 5 patients more diagnostic information was available from post-contrast images compared with precontrast images. This study shows that gadoterate meglumine is a safe and well-tolerated contrast agent that improves MRI of the proximal gastrointestinal tract and upper abdomen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00425903
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Contrast enhancement of the facial nerve on MRI: normal or pathological? (1997)
    Springer
    Neuroradiology 39 (1997), S. 207-212 
    Details
    ISSN: 1432-1920
    Keywords: Key words Facial nerve ; Magnetic resonance imaging ; Gadolinium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We prospectively analysed the normal contrast-enhanced MRI features of the facial nerve and determined criteria for pathological contrast enhancement. We studied 31 patients with clinically normal facial nerves with T1-weighted images before and after contrast medium. The intensity, thickness and right-left symmetry of enhancement were assessed in each segment and correlated with MRI features observed in abnormal facial nerves. Enhancement along at least one segment of the facial nerve was seen in 98 % of cases, but only within the facial canal: labyrinthine segment: 78.2 %; geniculate ganglion: 96.9 %; tympanic: 88.4 %; mastoid: 66.6 %. Marked (++) to intense (+++) enhancement was seen in the labyrinthine segment in 17.4 %, the geniculate ganglion in 36.3 %, and the tympanic (25.6 %) and mastoid (7.1 %) segments, whereas intense enhancement was only seen in the geniculate ganglion (6 %) and the tympanic segment (11.6 %). A right-left asymmetry was noted in 69 % of cases. No correlation was found between enhancement and the thickness of the nerve. No enhancement of the eighth nerve was seen. We suggest three criteria for pathological enhancement: enhancement outside the facial canal; extension of enhancement to the eighth nerve; and intense enhancement in the labyrinthine and/or mastoid segments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050395
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    Paper (German National Licenses)
    Fulltext
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