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  • 1
    Electronic Resource
    Electronic Resource
    Morphology of the cervical spinal cord on computed myelography (1979)
    Springer
    Neuroradiology 18 (1979), S. 57-62 
    Details
    ISSN: 1432-1920
    Keywords: Cervical spinal cord ; Computed myelography ; Computed tomography ; Metrizamide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary To ensure adequate use of the technique of computed myelography (CM) it is necessary to have an exact picture of the morphology of the normal spinal cord as demonstrated by this technique. This has been obtained by studying the morphology and measuring the frontal and sagittal diameter of the cervical cord in 20 patients. The normal values are presented. The changes of this morphology in one patient with a tumour, one patient with atrophy of the spinal cord and in some patients with congential malformations are also reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00344822
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A qualitative comparison of two contrast media for cerebral angiography. A clinical method (1979)
    Springer
    Neuroradiology 18 (1979), S. 31-35 
    Details
    ISSN: 1432-1920
    Keywords: Contrast media ; Cerebral angiography ; Meglumine diatrizoate ; Meglumine ioxithalamate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A qualitative comparison of two contrast media for cerebral angiography with regard to contrast should, preferably, be based on a comparison made in two different hemispheres of one patient. Two problems then arise which make evaluation difficult. Vasodilation occurs after the first contrast injection as a result of which the second contrast medium to be compared flows into a dilated vascular tree. In addition, in the case of a comparison in two different hemispheres, variations of image geometry occur, resulting in differences of sharpness and contrast. The method of solving these problems is discussed and is illustrated by a comparison of two contrast media which might be expected to produce differences in contrast because of their physical properties. The results of this clinical comparison show that the expected differences can be partly demonstrated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00346208
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Accuracy of ultrasonic evaluation of lumbar intervertebral discs by an anterior approach (1989)
    Springer
    Neuroradiology 31 (1989), S. 386-390 
    Details
    ISSN: 1432-1920
    Keywords: Sonography ; Lumbar myelography ; Lumbar disc disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The aim of this investigation was to evaluate the diagnostic accuracy of sonography of the lower lumbar intervertebral discs. The results in 50 patients were compared to lumbar myelography. A short description of the sonographic appearance of the normal and pathological lumbar disc is given. The sonographic examination was inconclusive in 18% of the patients because of obesity, meteorism or diminuition of the intervertebral disc space. In nearly half of these patients a herniation was found at myelography and confirmed at surgery. The study revealed a sensitivity varying from 0.63 to 0.77. Compared to lumbar myelography and CT scanning we find this too low to support its addition in lumbar disc disease because of non-invasiveness or lack of radiation alone.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00343861
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Collateral pathways in lumbar epidural venography (1982)
    Springer
    Neuroradiology 24 (1982), S. 91-96 
    Details
    ISSN: 1432-1920
    Keywords: Lumbar epidural venography ; Collateral pathways ; Inferior mesenteric vein ; Parametrial venous plexus ; Left ovarian vein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Opacification of collateral pathways other than the central channels is very rare in lumbar epidural venography. Two cases of opacification of the inferior mesenteric vein following extravasation of contrast medium at the tip of the lateral sacral vein catheter are reported. One case is presented in which filling of normal parametrial venous plexuses and the left ovarian vein occurred as a consequence of incompetent or absent valves in the internal iliac vein. The literature containing comparable collateral flow patterns in disease is reviewed. The significance of the phlebographic features in our cases is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00339197
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  • 5
    Electronic Resource
    Electronic Resource
    The absent cervical pedicle syndrome (1987)
    Springer
    Neuroradiology 29 (1987), S. 69-72 
    Details
    ISSN: 1432-1920
    Keywords: Cervical vertebrae ; Congenital anomaly ; Absent pedicle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A recent case of the absent cervical pedicle syndrome is presented. Incorrect radiological interpretation resulted in inappropriate management. A review of the literature on this congenital abnormality and a complete differential diagnosis are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00341041
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  • 6
    Electronic Resource
    Electronic Resource
    Improvement of IVDSA of the brachiocephalic arteries using a non-ionic contrast medium (1988)
    Springer
    Neuroradiology 30 (1988), S. 211-213 
    Details
    ISSN: 1432-1920
    Keywords: Intravenous DSA ; Non-ionic contrast medium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The introduction of IVDSA provides a safer method of angiographic investigation of the aortic arch and brachiocephalic arteries than conventional angiography in patients with cerebro-vascular disease. The quality of visualization however decreases. Instead of changing over to IADSA we find it worthwile to try to improve IVDSA in different ways. One of them is represented in this prospective double blind cross-over study in which we have investigated the effects of using an isotonic non-ionic contrast medium, iohexol (omnipaque), in comparison to meglumin-sodium-diatrizoate (urografin) which is widely used. Iohexol causes less severe side-effects, less severe artifacts and a better image quality. A statistical relation between parameters could not be established. A lag-effect exists for side-effects. The necessity of using low osmolar contrast media is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00341830
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  • 7
    Electronic Resource
    Electronic Resource
    CT in neuromuscular disorders: a comparison of CT and histology (1988)
    Springer
    Neuroradiology 30 (1988), S. 421-425 
    Details
    ISSN: 1432-1920
    Keywords: CT-scanning ; Muscles ; Myopathy ; Neurogenic disorder ; Muscle biopsy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The value of CT-examination of the muscles compared to histology was studied in a retrospective analysis of 30 patients with clinical suspicion of neuromuscular disorder. In the evaluation of the CT-results descriptive criteria were used. The histologic diagnosis came from needle-biopsies taken from the quadriceps muscle. Considering the whole group of neuromuscular disorders, CT has an overall accuracy of 84.8%, a positive predictive value of 95.5% and a negative predictive value of 63.6%. This makes the use of CT as a diagnostic tool in neuromuscular disorders a reliable examination technique. In patients with a polymyositis there is even a 100% correlation between CT findings and biopsy results. Discrepancy between the biopsy results of the quadriceps muscle and the CT findings is remarkable: the number of abnormal histological findings is twice the number of abnormal CT findings. Using the more proximal gluteal region as a biopsy site would have decreased this discrepancy and would therefore have given a better correlation between CT and histology. The choice of protocol in determining the levels to be scanned is of great importance in achieving good reproducability in follow-up CT examinations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00404107
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  • 8
    Electronic Resource
    Electronic Resource
    The tethered spinal cord syndrome: a correlation of radiological features and peroperative findings in 30 patients (1989)
    Springer
    Neuroradiology 31 (1989), S. 63-70 
    Details
    ISSN: 1432-1920
    Keywords: Tethered spinal cord ; Spina bifida occulta ; Filum terminale ; Intradural lipoma ; Lipomyeloschisis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The aim of this investigation is to evaluate the accuracy of the diagnostic parameters of the radiological features, especially in conventional lumbar myelography, since these will be used in the future as a gold standard for new developing diagnostic methods like ultrasonography (US) and magnetic resonance imaging (MRI). A short review of the clinical symptoms and diagnostic radiology of the tethered spinal cord (TSC) is given. The radiological features of the TSC syndrome are compared with the peroperative findings in 30 patients investigated and operated in our hospital. All patients showed lumbar or sacral osseous malformations on the plain X-ray films. This means a high diagnostic sensitivity although the specificity for TSC is low. Conventional myelography had a sensitivity of 0.82 and positive predictive value of 0.94, while the specificity and negative predictive value are respectively 0.96 and 0.85. The positive predictive value of the total diagnostic procedure of plain X-ray films and lumbar myelography for TSC may be estimated at 1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00342033
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  • 9
    Electronic Resource
    Electronic Resource
    Arachnoid cyst simulating intrameatal acoustic neuroma (1976)
    Springer
    Neuroradiology 11 (1976), S. 205-207 
    Details
    ISSN: 1432-1920
    Keywords: Acoustic neuroma ; Arachnoid cyst
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A very rare cause of perceptive deafness was found in a child with an intrameatal arachnoid cyst. This case is the second reported in the literature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00346080
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Acquired basal encephalocele (1976)
    Springer
    Neuroradiology 11 (1976), S. 209-213 
    Details
    ISSN: 1432-1920
    Keywords: Encephalocele ; Basal
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The radiodiagnostic signs of congenital basal encephalocele are well known. The case history described here shows that a long existing, acquired, traumatic transethmoidal encephalocele can cause the same roentgen appearance. The differences between the congenital and recent posttraumatic forms are indicated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00346081
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