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  • 1
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Occlusion of the middle cerebral artery induces a local decrease in percentage of tissue dry weight in rabbit brain, associated with flux of sodium and potassium in reciprocal directions. Cortical swelling occurs also in remote non-ischaemic areas. Previous transposition of the omentum majus to the brain minimizes the onset of oedema consequent on occlusion of a major cerebral artery. Increasing experimental evidence points to the role of omental transposition in providing an effective source of collateral circulation, thus strongly affecting the threshold for infarction.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Occlusion of the middle cerebral artery severely affects the uptake of labelled leucine into various subcellular fractions from rabbit brain. Previous transposition of pedicled omentum to the cerebral surface maintains to a large extent the protein synthetic activity of the brain following arterial occlusion. The role of the transposed omentum in providing an effective collateral circulation and minimizing the occurrence of irreversible ischaemic lesions is stressed.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 50 (1979), S. 299-303 
    ISSN: 0942-0940
    Keywords: Intracranial haematoma ; intracranial angioma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A further case of successful removal of an intrapontine haematoma related to a cryptic angioma is described. With a CT scan, the most accurate anatomical localization of the lesion may be obtained.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 62 (1982), S. 253-257 
    ISSN: 0942-0940
    Keywords: Cerebellopontine angle tumours ; acoustic neurinoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A large cystic neurinoma of the cerebellopontine angle is reported. This case is unusual in that the clinical history, CT patterns and plain radiological findings were rather misleading for the differential preoperative diagnosis.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 60 (1982), S. 115-117 
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A mobile neurinoma arising from a redundant nerve root of the cauda equina is reported. The abnormal length of the nerve root allowed the neoplasm to move in the cranio-caudal direction along two segments of the spine.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 0942-0940
    Keywords: Cerebral parasitosis ; hydatid cyst ; computerized tomography ; echinococcus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Long term results of the surgical treatment of intracranial hydatid disease ist reported in 11 personal cases. Nine patients are alive 9 to 15 years following the operation, only one of them being disabled. The remaining two patients died respectively 6 months and 2 years after the first operation.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 0942-0940
    Keywords: Regional cerebral blood flow ; cerebral ischaemia ; cerebral revascularization ; omental transposition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Regional cerebral blood flow, recorded by the133Xenon inhalation method, was measured preoperatively and over a five years postoperative period in six patients with completed stroke and stabilized neurological deficits, who had undergone omental transposition for revascularization of the ischaemic brain. Comparisons of the preoperative blood flow values with those recorded following surgery demonstrate a postoperative increase of blood flow in five patients, with a high statistical degree of significance in four of them at the final examination. The flow increase was noted over the infarcted areas of the brain, upon which the omentum had been placed, as well as areas of the ischaemic hemisphere without omental placement and the contralateral hemisphere. Out of the five patients who demonstrated preoperative flow values below the expected norm for age, four showed final postoperative cerebral blood flow within the normal limits for their age. The results are consistent with the assumption that the transposed omentum played a role in postoperative blood flow increase, by adding collateral circulation to the ischaemic brain.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The uptake of labelled uridine is reduced in the whole ischaemic hemispheres of gerbils subjected to unilateral carotid artery occlusion. Following circulatory restoration, brain structures that had an ischaemic insult of moderate intensity exhibit a progressively increased uptake. However, during reperfusion there is a tendency towards a clear cut definition of dead zones. This progression of the lesions seems to be related to a maturation phenomenon occurring in areas with an irreversible damage at the end of the ischaemic period.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Two cases of reversible CT contrast-enhanced lesions simulating brain neoplasms are described. Following steroid therapy and shunting procedure normalization of the clinical signs and of the CT scans occurred. The role of a vasculomyelinopathy as a possible pathogenetic factor of these lesions is stressed.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Journal of neurology 225 (1981), S. 259-267 
    ISSN: 1432-1459
    Keywords: Angiomas ; Arteriovenous malformations ; Brain stem ; Cerebellopontine angle ; Microneurosurgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die in der ponto-zerebellären Zysterne gelegenen Angiome befinden sich oberflächlich auf der ventrolateralen Seite des Hirnstammes. Gelegentlich dringen sie in geringer Ausdehnung in die benachbarten Nervenstrukturen ein. Fünf Patienten mit solchen Mißbildungen wurden mit mikrochirurgischer Technik operiert. In allen Fällen wurde eine radikale Exstirpation ausgeführt. Alle Patienten nahmen ihre frühere Tätigkeit innerhalb von 2–12 Monaten nach der Operation wieder voll auf. Es gibt zunehmende Beweise für die Wirksamkeit der chirurgischen Behandlung der Angiome der ventrolateralen Seite des Hirnstammes und des Kleinhirnbrückenwinkels. In der Regel tritt die Krankheit mit Blutungen verschiedenen Ausmaßes auf. Bewußtseinsveränderungen, gegenseitige Hemiparese, gleichseitige Hirnnervenlähmungen sind die häufigsten neurologischen Zeichen nach einer Blutung. Das Ergebnis nach Radikalexstirpation hängt in erster Linie von dem präoperativen Zustand der Patienten ab. Der chirurgische Eingriff verursacht keine oder nur geringfügige neue Ausfälle. Eine chirurgische Exploration ist immer dann ratsam, wenn die Mißbildung auf der Oberfläche zu liegen scheint, anstatt im Hirnstamm selber.
    Notes: Summary Angiomas situated within the pontocerebellar cistern lie superficially on the ventrolateral aspect of the brain stem. Occasionally, minor extensions penetrate into the adjacent nervous structures. Five patients bearing such lesions were operated upon, using a microsurgical technique. Radical excision was performed in all cases. Within 2 to 12 months the patients had returned to their previous occupations, being fully able to work or attend school. There is increasing evidence for the effectiveness of surgical treatment of angiomas of the ventrolateral aspect of the brain stem and the cerebellopontine angle. The illness usually presents with hemorrhages of varying severity, ranging from mild to devastating. Impairment of consciousness, contralateral hemiparesis and ipsilateral cranial nerve palsies are the most frequent neurological signs after bleeding. The outcome following excision is primarily related to the preoperative condition. No additional deficits or only minor further impairment can be expected from surgical interference. Exploration is advisable whenever the malformation appears to lie on the surface rather than within the brain stem.
    Type of Medium: Electronic Resource
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