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  • 1
    Electronic Resource
    Electronic Resource
    Large colloid cyst in lateral ventricle simulating brain tumour (1990)
    Springer
    Acta neurochirurgica 104 (1990), S. 151-155 
    Details
    ISSN: 0942-0940
    Keywords: Neuroepithelial cyst ; colloid cyst ; lateral ventricle ; CT ; MRI ; stereotactic puncture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary This case report describes a patient presenting with symptoms of increased intracranial pressure, whose computerized tomographic (CT) scan was highly suggestive of a large low-grade glioma invading the basal ganglia. Magnetic resonance imaging (MRI) revealed a well-demarcated space-occupying mass of increased intensity in the left lateral ventricle and adjacent white matter. Following stereotactic biopsy, which yielded a homogeneous jelly-like material, the mass was removed microsurgically and was found to be most like a colloid cyst on histological examination. Discussion focusses on the clinical and differential diagnostic implications of this very unusual combination of findings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01842834
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    CT-ventriculography to control the passage of cerebrospinal fluid (1987)
    Springer
    Acta neurochirurgica 89 (1987), S. 140-143 
    Details
    ISSN: 0942-0940
    Keywords: CSF-pathways ; CSF-passage control ; CT-ventriculography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In conventional ventriculography used to confirm free passage of cerebrospinal fluid (CSF), bony overprojections often makes it difficult to visualize the contrast medium in the cranio-spinal subarachnoid spaces. CT-ventriculography offers an alternative. Because of the high density resolution, even small amounts of contrast material can be seen in the subarachnoid spaces of the cranio-cervical region. Its usefulness is demonstrated in a series of 15 cases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01560381
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A new safety device to prevent bleeding complications during stereotactic biopsy—the “Stereotactic” Doppler sonography (1987)
    Springer
    Acta neurochirurgica 89 (1987), S. 77-79 
    Details
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary To further reduce the incidence of haemorrhagic complications during stereotactic biopsy, the use of a microvascular Doppler system is proposed. The microprobes are fitted into the biopsy cannula to detect vessels in the neighbourhood of the target point. The first clinical results are promising.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01406671
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Intracranial calcified deposits in neurofibromatosis type 2 (1990)
    Springer
    Neuroradiology 32 (1990), S. 33-37 
    Details
    ISSN: 1432-1920
    Keywords: Neurofibromatosis ; Computed tomography ; Intracranial calcification ; Genetic disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary CT examinations of 11 consecutive patients with neurofibromatosis type 2 (NF-2) revealed non-tumoral intracranial calcified deposits in seven cases. Abnormal calcification of the choroid plexus was found in six cases. Calcification in the cerebellar hemispheres was observed in four cases. In two cases nodular calcifications on the surface of the cerebral hemispheres were detected. Our findings and the data in the literature show that non-tumoral calcifications of different locations can be regarded as part of the NF-2 syndrome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00593938
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  • 5
    Electronic Resource
    Electronic Resource
    Bilateral ballismus in children (1991)
    Springer
    Child's nervous system 7 (1991), S. 342-346 
    Details
    ISSN: 1433-0350
    Keywords: Movement disorder ; Ballismus ; Stereotactic surgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Bilateral ballismus is extremely rare. We found 23 reported cases, and only 2 of these were in children. In older patients the movement disorder is usually due to cerebrovascular disease, but in younger patients a variety of aetiopathological causes may be found. There are few data regarding medical treatment. There have been no previous reports on stereotactic operations. We report on two severely disabled children who underwent stereotactic surgery. A 9-year-old boy suffering from bilateral ballismus after meningoencephalitis was operated on bilaterally (two operations 1 year apart). Another 9-year-old boy, who was suffering from progressive, presumably degenerative, basal ganglia disease, was operated on unilaterally. The nosological and conceptual controversies differentiating bilateral ballismus as a phenomenological entity are reviewed. The therapeutic options, indications, and special problems of stereotactic surgery in these rare cases are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00304834
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  • 6
    Electronic Resource
    Electronic Resource
    Stereotactic interstitial irradiation of diencephalic tumors with iridium 192 and iodine 125: 10 years follow-up and comparison with other treatments (1989)
    Springer
    Child's nervous system 5 (1989), S. 140-143 
    Details
    ISSN: 1433-0350
    Keywords: Iodine 125 ; Iridium 192 ; Diencephalon ; Astrocytoma ; Childhood ; Long-term results
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The only possible treatment of non-removable tumors of the diencephalon or recurring tumors invading the diencephalon after partial resection or percutaneous radiotherapy is interstitial irradiation (Curie therapy). With the CT/MRI stereotactic method, biopsy for histological tumor classification can be performed and 125I or 192Ir implanted, provided the neuroimaging methods show the delimitation of the tumor, its diameter does not exceed 3 cm and, given the patient's condition, focal irradiation seems advisable. As of 31 August 1987, a total of 1883 cases had been stereotactically biopsied and interstitially irradiated. The indications and results are reported in 204 patients under 18 years of age with diencephalic and deep-seated astrocytomas, after a follow-up period of up to 10 years; the data were compared for tumor resection, percutaneous irradiation, and for interstitial irradiation. The latter proved to be the most effective treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00272114
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    Paper (German National Licenses)
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