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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 45 (1978), S. 163-175 
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We report two cases of basicranial chondrosarcomas. Intracranial chondrosarcomas are particularly rare, amounting to 0.15% of all intracranial tumours. Their most frequent location is the skull base (76.19%), and more precisely the middle cranial fossa, as they arise from the spheno-occipital synchondrosis. Some intracerebral chondrosarcomas have also been reported. We also refer shortly to another kind of malignant cartilaginous neoplasm that was recently identified by Lichtenstein and Bernstein (1959). This is the mesenchymal chondrosarcoma. Fifteen cases of this have been reported.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 64 (1982), S. 125-132 
    ISSN: 0942-0940
    Keywords: Skull tumour ; haemangioma ; embolization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Skull haemangiomas are rare tumours. Those of the vault are easily cured by surgical excision; those of the base have hitherto been thought irremovable. The case of a young woman with a right sphenoid ridge haemangioma is reported. The patient was successfully operated on, thanks to preoperative embolization of the tumour's major feeding artery and to a safe surgical technique.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0942-0940
    Keywords: Mucocele ; skull base tumour ; sphenoid sinus ; sella turcica ; orbital tumour
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The authors present five patients with mucocele, submitted to neurosurgery. Two had mucoceles spreading from the frontal and/ or the anterior ethmoidal sinuses and had only compressive mass symptoms, either on the ocular globe or on the frontal lobe or on both. Three patients had mucoceles growing from the sphenoid and/ or posterior ethmoidal sinuses. In these latter, the mass symptoms were less evident. All the patients suffered excruciating retro-ocular pain and two presented cranial nerve damage. The correct diagnosis in these cases is crucial to avoid a too aggressive treatment since these patients are generally sent to a neurosurgeon for a suspected cranial base malignancy or an invasive pituitary adenoma. The principles of a correct differential diagnosis and of operative treatment are outlined based on an analysis of the literature and the authors experience.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1920
    Keywords: Pituitary adenoma ; Empty sella ; Cisternography ; Iopamidol
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In the last 3 years 86 patients were referred for suspected primary intrasellar pathology. Two of them had coexisting pituitary adenoma and partial empty sella. This situation has been diagnosed preoperatively thanks to CT Iopamidol cisternography. The pre-operative diagnosis of this common anatomic condition allows safer operations, preventing intra-operative CSF fistulas.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 14 (2000), S. 469-478 
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. A very general local realistic theory of single $B^{0}_{d}$ mesons and of correlated $B^{0}_{d}\overline{B^{0}_{d}}$ pairs is formulated. If these pairs are produced in $\Upsilon (4S)$ decay, the local realistic asymmetry for observing pairs with like and unlike flavour at different proper times remarkably differs from the quantum mechanical prediction. Asymmetric B factories provide a powerful tool for the study of the EPR problem since the relative detection experiments can be shown to be capable of a time-dependent measurement precise enough to discriminate between local realism and quantum theory.
    Type of Medium: Electronic Resource
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