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  • 1
    Electronic Resource
    Electronic Resource
    Contrast enhanced brain CT comparison between iohexol and metrizoate (1983)
    Springer
    Neuroradiology 24 (1983), S. 213-215 
    Details
    ISSN: 1432-1920
    Keywords: Iohexol ; Cranial computed tomography ; Contrast enhancement
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The commonly used contrast medium metrizoate (isopaque Cerebral®) or the new nonionic iohexol were injected intravenously for enhancement of cranial CT in a randomized double blind study. Each group consisted of 105 patients. No serious reactions occurred. Ten patients receiving metrizoate had minor reactions of mainly allergic type, whereas only one patient receiving iohexol reacted. No differences in enhancement efficiency could be observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00399773
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    MRI in acute transverse myelopathy (1993)
    Springer
    Neuroradiology 35 (1993), S. 221-226 
    Details
    ISSN: 1432-1920
    Keywords: MRI ; Acute transverse myelopathy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The MRI examinations of seven patients with acute transverse myelopathy (ATM) were analysed. The patients were examined 2–5 times during the course of their disease with short and long TR/TE spin-echo sequences in the sagittal projection. A previous history of autoimmune disorder and/or signs of infection at the onset of ATM were present in all cases. Cerebrospinal fluid analysis showed local synthesis of immunoglobulin in the nervous system in three cases and signs of infectious myelitis in one. During the acute phase four patients had local enlargement of the cord and all had increased signal on long TR/TE sequences. The outcome was grave in the majority of patients and there seemed to be a correlation between the degree of cord enlargement, persistence of increased signal intensity and limited recovery. Atrophy and remaining high signal intensity were noted on late MRI in patients with poor outcome. In one patient with probable anterior spinal artery occlusion, cavitation of the cord was seen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588501
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    Paper (German National Licenses)
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  • 3
    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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  • 4
    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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  • 5
    Electronic Resource
    Electronic Resource
    Radiological investigation of neurofibromatosis type 2 (1994)
    Springer
    Neuroradiology 36 (1994), S. 107-110 
    Details
    ISSN: 1432-1920
    Keywords: Neurofibromatosis ; NF2 ; Meningioma, multiple ; MRI
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The radiological findings in six patients fulfilling the criteria of neurofibromatosis type 2 (NF2) were reviewed. Subtle cutaneous lesions were found in three. All patients had bilateral acoustic schwannomas; two had small acoustic tumours and normal hearing. In these patients the presenting symptoms were caused by multiple intracranial meningiomas and spinal neurofibromas, respectively, whereas the remaining four patients presented with hearing loss. Two patients had other cranial nerve tumours. Three patients had rapidly growing multiple intracranial meningiomas; two had multiple spinal neurofibromas and one a spinal meningioma. NF2 is a rare disease with few cutaneous but frequent, typical radiological findings in the central nervous system. The presenting symptom is most commonly hearing loss due to acoustic schwannomas, although symptoms emanating from other intracranial or tumours are not uncommon. The discovery of multiple meningiomas or multiple spinal neurofibromas without cutaneous lesions should initiate a search for acoustic schwannomas even when the patient has normal hearing.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588071
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Contrast-enhanced MRI of the central nervous system: comparison between gadodiamide injection and gadolinium-DTPA (1995)
    Springer
    Neuroradiology 37 (1995), S. 229-233 
    Details
    ISSN: 1432-1920
    Keywords: Key words Brain ; MRI ; Spine ; MRI ; Gadolinium contrast media
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Gadodiamide injection, a new nonionic, MRI contrast medium, was compared with the ionic agent gadolinium (Gd)-DTPA at 0.1 mmol/kg body weight in a double-blind, randomised trial in 60 patients, 30 receiving each substance, with known or suspected lesions of the central nervous system. The patients were closely questioned about adverse events. In the Gadodiamide injection group, four patients reported six adverse advents, three of which were judged to be related to the contrast medium. In the Gd-DTPA group, two patients each reported one adverse event, both of which had an uncertain relation to the contrast medium. All events were mild and no medical treatment was needed. No significant change in neurological findings, blood pressure, pulse rate or blood parameters were noted in any patient. Both contrast media were effective; no difference in overall efficacy or safety was observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01578263
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Serial MRI in the early postoperative period after lumbar discectomy (1995)
    Springer
    Neuroradiology 37 (1995), S. 177-182 
    Details
    ISSN: 1432-1920
    Keywords: Spine ; Intervertebral discs ; Surgery ; MRI-Gadolinium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The aim of this study was to determine MRI findings in patients successfully operated upon for lumbar disc herniation. We investigated 20 patients with a successful outcome after L4-5 or L5-S1 disc operations clinically and with MRI preoperatively, and at 5 days, 6 weeks, and 4 months after surgery. Postoperatively, T1- and T2-weighted images were obtained. At 4 months gadolinium-enhanced images were added. Pronounced intraspinal MRI changes were seen during follow-up. Deformation of the dural sac was seen in 13 patients preoperatively, in 19 at 5 days after operation, in 15 at 6 weeks, and in 12 at 4 months. Nerve root involvement was seen in all cases both preoperatively and at 5 days after operation, in 17 at 6 weeks, and in 15 at 4 months. No correlation between symptoms or the straight leg raising test and the size or nature of the abnormal tissue in the spinal canal postoperatively could be demonstrated. It was concluded that early postoperative MRI after lumbar discectomy must be interpreted carefully, and that oedema and scar formation are probable reasons for difficulties in interpretation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01578253
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Contrast-enhanced MRI of the central nervous system: Comparison between gadodiamide injection and gadolinium-DTPA (1995)
    Springer
    Neuroradiology 37 (1995), S. 229-233 
    Details
    ISSN: 1432-1920
    Keywords: Brain ; MRI · Spine ; MRI · Gadolinium contrast media
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Gadodiamide injection, a new nonionic, MRI contrast medium, was compared with the ionic agent gadolinium (Gd)-DTPA at 0.1 mmol/kg body weight in a double-blind, randomised trial in 60 patients, 30 receiving each substance, with known or suspected lesions of the central nervous system. The patients were closely questioned about adverse events. In the Gadodiamide injection group, four patients reported six adverse advents, three of which were judged to be related to the contrast medium. In the Gd-DTPA group, two patients each reported one adverse event, both of which had an uncertain relation to the contrast medium. All events were mild and no medical treatment was needed. No significant change in neurological findings, blood pressure, pulse rate or blood parameters were noted in any patient. Both contrast media were effective; no difference in overall efficacy or safety was observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01578263
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 9
    Electronic Resource
    Electronic Resource
    Serial MRI in the early postoperative period after lumbar discectomy (1995)
    Springer
    Neuroradiology 37 (1995), S. 177-182 
    Details
    ISSN: 1432-1920
    Keywords: Key words Spine ; Intervertebral discs ; Surgery ; MRI-Gadolinium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The aim of this study was to determine MRI findings in patients successfully operated upon for lumbar disc herniation. We investigated 20 patients with a successful outcome after L4–5 or L5–S1 disc operations clinically and with MRI preoperatively, and at 5 days, 6 weeks, and 4 months after surgery. Postoperatively, T1- and T2-weighted images were obtained. At 4 months gadolinium-enhanced images were added. Pronounced intraspinal MRI changes were seen during follow-up. Deformation of the dural sac was seen in 13 patients preoperatively, in 19 at 5 days after operation, in 15 at 6 weeks, and in 12 at 4 months. Nerve root involvement was seen in all cases both preoperatively and at 5 days after operation, in 17 at 6 weeks, and in 15 at 4 months. No correlation between symptoms or the straight leg raising test and the size or nature of the abnormal tissue in the spinal canal postoperatively could be demonstrated. It was concluded that early postoperative MRI after lumbar discectomy must be interpreted carefully, and that oedema and scar formation are probable reasons for difficulties in interpretation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01578253
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 10
    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
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    Paper (German National Licenses)
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