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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 96 (1989), S. 26-31 
    ISSN: 0942-0940
    Keywords: Brain neoplasms ; germinoma ; pineal region pinealoma ; radiotherapy ; surgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary During a period of 10 years (1977–1986) 40 cases of tumour of the pineal region have been treated at the Istituto Neurologico “C. Besta” of Milan. Out of these 40 cases, 27 (67.5%) were in the paediatric (10–15 years) or juvenile (15–20 years) age at the time of operation. Since 1983 a specific diagnostic and therapeutic protocol has been adopted and thereafter direct surgical removal of the tumour was performed only when the neuroradiological investigations were highly suggestive of a benign extrinsic lesion. Sixteen cases in this series underwent direct surgical removal; in the remaining 24 cases stereotactic biopsy of the tumour was performed in the first instance. On the basis of the histological diagnosis obtained by this procedure surgical excision of the tumour (9 cases) or radiotherapy (15 cases) was then performed. 25 cases underwent surgical removal of the lesion. In all the cases the infratentorial supracerebellar approach as introduced by Krause5 and then modified by Stein14,15 was adopted. On analysis of the data of this series it was observed that in 25% of the cases completely benign resectable tumours were found; in 25% of the cases astrocytoma (grade I–II) which could be treated at least by partial removal were present; in 30% of the cases radiosensitive lesions were encountered. In the remaining 20% of the cases highly malignant tumours were found which should be treated only by radiotherapy and/or chemotherapy.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 76 (1985), S. 105-110 
    ISSN: 0942-0940
    Keywords: Arachnoid cyst ; CT scan ; computerized cisternography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Twenty-four cases of supratentorial primary arachnoid cysts operated with different techniques are reviewed: both cyst shunting or extirpation may lead to a good early clinical result, but the former is less dangerous and more indicated in a particular group of patients; late results are better in the shunted patients. CT scan is almost always diagnostic and is mandatory postoperatively to assess the late results.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0942-0940
    Keywords: Acoustic tumour ; total excision ; facial nerve
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The microsurgical refinement of the lateral suboccipital approach is, in our opinion, the most satisfactory operative technique for achieving total removal of acoustic neurinomas of all sizes. In this series of 164 operated cases, large or very large tumours accounted for 64% of the cases (105 patients). The facial nerve was sacrificed in about 19% of the cases. In 81% of the cases the facial nerve was respected (65%) or repaired (16%) by direct intracranial suture performed immediately after tumour removal. Good or fair functional results were obtained in about 65% of the cases by this last procedure, which has to be considered as the treatment of choice for facial nerve repair. The results are compared with those of other series and with those obtained by different nerve substitution procedures.
    Type of Medium: Electronic Resource
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