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  • 1
    Electronic Resource
    Electronic Resource
    Brain oedema induced by ventricular puncture (1994)
    Springer
    Acta neurochirurgica 129 (1994), S. 177-180 
    Details
    ISSN: 0942-0940
    Keywords: Brain oedema ; ventricular puncture ; magnetic resonance imaging ; normal-pressure hydrocephalus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary After ventricular catheterization magnetic resonance (MR) imaging very often demonstrates a focal area of high signal along the drain track which corresponds to parenchymal oedema. This high signal seemed to be more pronounced when the frontal area was catheterized than when the junctional parieto-temporo-occipital parenchyma (or trigonal area) was catheterized. In order to confirm this impression, we prospectively studied 41 consecutive patients with normal-pressure hydrocephalus in whom both of these brain regions were catheterized for intracranial pressure monitoring. Each patient was evaluated by serial MR. The extent of the MR hypersignal induced by both catheterizations was computed from digitized MR masks. The extent of the MR high signal area was significantly greater when the frontal area was catheterized compared to the trigonal area suggesting that the frontal area could be more prone to injury.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01406499
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Upper cervical spinal cord compression due to bony stenosis of the spinal canal (1994)
    Springer
    Neuroradiology 36 (1994), S. 231-233 
    Details
    ISSN: 1432-1920
    Keywords: Spinal cord, compression ; Spinal canal, stenosis ; Spine, stenosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Compression of the upper cervical spinal cord due to stenosis of the bony spinal canal is infrequent. In the first case reported here, stenosis was due to acquired extensive, unilateral osteophytes centered on the left apophyseal joints of C1−C2 in an elderly professional violinist. In the second case, stenosis was secondary to isolated congenital hypertrophy of the laminae of C1 and C2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588139
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Diffusion-weighted MRI postoperative assessment of an epidermoid tumour in the cerebellopontine angle (1999)
    Springer
    Neuroradiology 41 (1999), S. 829-831 
    Details
    ISSN: 1432-1920
    Keywords: Key words Epidermoid tumour ; Diffusion-weighted imaging ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Cerebellopontine angle epidermoid tumour generally has a typical appearance with conventional MRI sequences. The lesion is irregular in shape and gives slightly higher signal than cerebrospinal fluid on T1- and T2-weighted images, with a characteristic marbled inner pattern on T1-weighted images. Diffusion-weighted imaging (DWI) can be useful for the diagnosis of an atypical epidermoid tumour. Our case report illustrates the usefulness of DWI for postoperative assessment of residual foci of tumour. The specific appearance of an epidermoid tumour is illustrated, with emphasis on apparent diffusion coefficient (ADC) measurements.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050850
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    MRI in seven cases of Rathke's cleft cyst in infants and children (1993)
    Springer
    Pediatric radiology 23 (1993), S. 79-82 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Seven MRI observations of presumed Rathke's cleft cysts in infants and children are reported. Age ranged between 6 months and 13 years. Size of the cysts ranged between 4 and 20 mm. While 3 small cysts were detected incidentally, 4 were large enough to cause symptoms secondary to compression of the pituitary gland and suprasellar components. The MRI appearance of the Rathke's cleft cysts varied according to their nature. MRI provides a major contribution to the diagnosis of these lesions; nevertheless, it often remains difficult to differentiate complex Rathke's cleft cysts from cystic craniopharyngiomas. The difficulties related to this differentiation are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02012389
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Cervical neuroma associated with multiple intracranial arachnoid cysts (1992)
    Springer
    Neuroradiology 34 (1992), S. 449-450 
    Details
    ISSN: 1432-1920
    Keywords: Neuroma ; Arachnoid cysts ; MR angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A case of dumbbell cervical neuroma associated with multiple intracranial arachnoid cysts is described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00596515
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Anterior fontanelle pressure monitoring for the evaluation of asymptomatic infants with increased head growth rate (1996)
    Springer
    Child's nervous system 12 (1996), S. 38-42 
    Details
    ISSN: 1433-0350
    Keywords: Intracranial pressure ; Non-invasive monitoring ; Macrocephaly ; Hydrocephalus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We studied non-invasive intracranial pressure monitoring in 20 asymptomatic infants with increased head growth rate. Both basal anterior fontanelle pressure (AFP) traces and occurrence of pressure waves were analysed and compared with normal range values previously established. Eight recordings were classified as pathological; cerebral imaging showed subdural collections or ventricular dilatation in all cases. Five out of these eight infants further developed neurological deficits and/or increase of the ventricular size, and required neurosurgical procedures. Twelve infants had normal AFP traces; six of these had normal cerebral imaging and six showed enlargement of subarachnoid spaces with normal ventricles. All of these 12 patients normalised their head growth rate and remained asymptomatic. This observation suggests that AFP monitoring may be helpful in asymptomatic infants with increased head growth rate to identify a progressive intracranial process and the potential need for a neurosurgical procedure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00573854
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Cranial disjunction and visual failure in a slit ventricle syndrome with patent shunt (1996)
    Springer
    Child's nervous system 12 (1996), S. 276-278 
    Details
    ISSN: 1433-0350
    Keywords: Blindness ; Craniosynostosis ; Papilloedema ; Slit ventricle syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 6.5-year-old child who received a shunt at 3 weeks of age for triventricular hydrocephalus related to his congenital toxoplasmosis developed symtoms of intracranial hypertension and papilloedema. Computed tomographic scan demonstrated slit ventricles. The shunt device was shown to be patent on isotope transit study. Spontaneously the cranial sutures widened and headaches disappeared, but loss of vision occurred and did not reverse despite optic nerve sheath fenestration. We suspect that a rapid drop in intracranial pressure played a role in the pathogenesis of our patient's blindness. This possible complication should be taken into account when calvarial expansion is planned in a patient with an intracranial hypertension syndrome with papilloedema in the presence of slit ventricles and a patent shunt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00261810
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    Paper (German National Licenses)
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