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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 52 (1980), S. 305-329 
    ISSN: 0942-0940
    Keywords: Oligodendroglioma ; spinal cord tumour ; papilloedema ; oligodendrogliomatosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The clinical, surgical, and pathological data from 35 published cases of oligodendroglioma and of one personal case are analysed and compared with those from other tumours of the cord and from cerebral oligodendrogliomas. Oligodendroglioma of the cord has a slightly lower average age than other gliomas and is closer to that of glioblastoma. In oligodendroglioma of the cord, as of the brain, acute onset or aggravation of the symptoms and an oscillating course are frequent. Two correlated data are particularly worth noting: a) the mean CSF protein content in oligodendroglioma of the cord is higher than in any other glioma; b) intracranial hypertension, in the form of papilloedema or hydrocephalus, or both, was present in 31% of cases. This signifies cerebral oligodendrogliomatosis, which was found in 6 out of 10 necropsied cases. At operation most oligodendrogliomas of the cord appear as infiltrating “gelatinous” tumours, though a minority have a firm consistency and apparently clearcut contours, which seem to be associated with a better prognosis. Postoperative radiotherapy seems to be useful.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The series studied comprises all 851 patients with symptom-producing intracranial saccular aneurysms admitted to the departments of neurosurgery in Denmark in the five-year period of 1970–1974. The series was divided into seven clinical stages according to Hunt's classification. More than half of the patients were grouped in stages IV and V (Hunt grade 2–3). Of the patients, 76% were found primarily suitable for operation. The mortality within the individual stages was to a great extent independent of the time of operation. A total of 94% of the aneurysms were localized within the region of the carotid artery, with a roughly equal distribution among the internal carotid, anterior communicating, and middle cerebral arteries. Multiple aneurysms were found in 19% of the patients subjected to panangiography. There was a distinct correlation between the severity of the spasms and the clinical condition. The course of operation was complicated in 49% of the patients, the complications being equally distributed within the various clinical stages. The mortality for the patients who underwent operation (total 567) was 32%, and 80% of the deaths were due to direct or indirect consequences of aneurysmal bleeding. At the follow-up performed two to seven years after operation, 52% of the survivors were fully capacitated, 20% were partly capacitated, and 28% were incapacitated. Based on a retrospective analysis, we have started a comprehensive prospective study with registration of available parameters in patients with saccular aneurysms admitted to all departments of neurosurgery in Denmark.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 53 (1980), S. 69-78 
    ISSN: 0942-0940
    Keywords: CT scan ; empty sella syndrome ; epithelial cyst ; Rathke's cleft cyst
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A case of Empty Sella secondary to Rathke's cleft cyst, successfully operated on, is reported. Asymptomatic cysts of Rathke's pouch are fairly frequent autopsy observations. They can cause optic-chiasmatic and endocrine symptomatology or, very rarely, an Empty Sella syndrome if the cyst is very large.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 0942-0940
    Keywords: Laser surgery ; brain tumours ; operative technique
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A surgical carbon dioxide laser unit (laser) has been used since 1977 in twentyfive cases of various brain tumours, including ten meningiomas (four sphenoid ridge, two parasagittal, two falx, one olfactory, one posterior fossa), eleven gliomas (seven glioblastoma, four astrocytoma), two metastatic brain tumours, one haemangioblastoma, and one arteriovenous malformation (AVM). The criteria for laser use, as based on evaluation and location of meningioma, were: grade 1, convenient but adjuvant; grade 2, also necessary; grade 3, indispensable. The laser is obligatory in sphenoid ridge meningioma in order to peel the tumour away from the internal carotid artery, middle cerebral artery, cavernous sinus etc. The grade of necessity for laser use is therefore either 2 or 3. In convexity or parasagittal meningioma, on the other hand, the necessity grade is either 1 or 2. In the glioma group hemorrhage in seven cases of glioblastoma was easily laser-controlled, and the tumours were wasted away in a short time through vaporization, with minimum mechanical effect on adjacent tissue. The laser is therefore very useful in cases of glioma, especially glioblastoma, considering the shortened operating time, decreased blood loss, and extended area of tumour resection. Laser surgery is proposed as being most appropriate, mainly for its vaporizing and coagulating functions, in cases of brain tumour involving the elderly and poor risk cases.
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  • 6
    ISSN: 0942-0940
    Keywords: Spinal cord injuries ; Brown-Séquard syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary An unusual case of damage to the cervical spinal cord due to a non-missile penetrating injury through an anterior route in a nine-year-old boy who fell from a bicycle is reported. There was a cerebrospinal fluid leak that lasted for two days. Clinical picture was that of incomplete Brown-Séquard syndrome and flaccid paresis of the extensor muscles of the left elbow and wrist. Treatment was conservative, with a very good functional recovery. To our best knowledge there is no myelographically documented case report of such a lesion in the literature.
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  • 7
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Arterialized venous channels in the arteriovenous malformations of the brain represent persistent embryonic veins. The configuration of these veins resembles embryonic venous channels. Their microscopic features also resemble those of the foetal cerebral veins. The intimal lining of the persisting embryonic veins suggests the approximate age of the foetus at which the arteriovenous fistula is likely to have occurred.
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  • 8
    ISSN: 0942-0940
    Keywords: Adenoma ; morphometry ; prolactin ; pituitary
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Ultrastructural morphometry was applied to 24 surgically removed human sparsely granulated prolactin cell adenomas in an attempt to correlate the measurements with blood prolactin levels, size of tumour, and age and sex of patient. No correlation was apparent. However, further evaluation revealed that correlation existed between size of tumour and blood prolactin levels, indicating that tumour mass, and not subcellular morphology, was related to the amount of prolactin released.
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  • 9
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Four cases of brain tumour associated with intracranial aneurysm are presented, and the available literature is reviewed. The association of brain tumours and arterial aneurysms is not well documented in neurosurgical literature. Reports of the association of giant aneurysms with brain tumours are rare. We could find only five such cases, and one of our cases is the sixth. The operative mortality of the patient with coexisting brain tumour and cerebral aneurysm is high. Two of our cases died postoperatively, one from pre-existing cardiac disease, and the other from hypothalamic vascular insufficiency related to surgery.
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 55 (1980), S. 43-48 
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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