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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Neurosurgical review 1 (1978), S. 119-122 
    ISSN: 1437-2320
    Keywords: Hypertrophic peripheral neuropathy ; Spinal space occupying lesion ; Hypertrophische Neuropathie ; Raumfordernde Prozesse
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Drei Fälle von hypertrophischer peripherer Neuropathie werden beschrieben und ihre unterschiedliche Aetiologie wird diskutiert. Bei Beteiligung spinaler Nervenwurzeln an der hypertrophischen peripheren Neuropathie kann eine Raumforderung entstehen, die einen Tumor, insbesondere ein Neurinom, vortäuschen kann. Ein neurochirurgisches Vorgehen kann in diesem Falle neben der diagnostischen Bedeutung auch von therapeutischem Nutzen sein.
    Notes: Summary Three cases of hypertrophic peripheral neuropathy are presented and their different aetiology is discussed. Hypertrophic peripheral neuropathy involving spinal nerve roots may act as a space occupying lesion mimicking tumors especially neurinomas. Therefore the neurosurgical approach may have a therapeutic as well as a diagnostic value.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1437-2320
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Neurosurgical review 4 (1981), S. 195-200 
    ISSN: 1437-2320
    Keywords: Cerebrospinal fluid fistula ; Rhinorrhoea ; Otorrhoea ; Orbitorrhoea ; Liquorfistel ; Rhinogene Liquorrhoe ; Otogene Liquorrhoe ; Orbitale Liquorrhoe
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Zwischen 1969 und 1979 wurden in der neurochirurgischen Universitätsklinik Essen 79 Patienten an einer Liquorfistel operiert. Eine veränderte Einteilung, der Beginn der Symptome und die diagnostischen Untersuchungsmethoden werden besprochen und die Resultate anhand der Literatur miteinander verglichen. Ebenfalls wird ein Patient mit einer orbitalen Liquorrhore vorgestellt.
    Notes: Summary Between 1969 and 1979, seventy-nine patients suffering from a cerebrospinal fluid (CSF) leakage, were operated on in the neurosurgical department of the University Clinic Essen (West Germany). A modified classification, the onset of symptoms and the diagnostic procedures are described and some data are compared with the results of other investigators. Other methods of closing a CSF fistula and the timing of operation are briefly discussed. Also the case history of a patient with orbitorrhoea is described.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 85 (1980), S. 225-233 
    ISSN: 1437-1596
    Keywords: Traumatic aneurysm, cerebral arteries ; Rupture of cerebral artery, injury of skull and brain ; Traumatic cerebral hemorrhage ; Cerebrales traumatisches Aneurysma ; Schädel-Hirntrauma, mit Arterienruptur ; traumatische Hirnblutung
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Anhand von drei klinisch und histologisch gesicherten Fällen von sogenanntem traumatischen cerebralen Aneurysma (A.basilaris, A. communicans posterior, A. lenticulostriata)wird aufgezeigt, daß es sich bei den akuten und subakuten Fällen in der Regel nicht um wahre Aneurysmen im Sinne der pathologisch-anatomischen Definition, sondern um traumatische akute Schlagaderschädigungen mit periarteriellem Hämatom (Aneurysma spurium) und somit um Pseudoaneurysmen handelt. Differential-diagnostisch ist ein derartiges Pseudoaneurysma nicht allein radiologisch oder klinisch vom kongenitalen Aneurysma zu, unterscheiden. Hierzu bedarf es einer histologischen Diagnose. Eine durch stumpfe Gewalteinwirkung indirekt entstandene intracranielle Arterienruptur mit Bildung eines Pseudoaneurysma ist auch ohne Schädelbasisfraktur möglich. Da traumatische Schädigungen der Striatumarterien insbesondere bei Kindern und Jugendlichen möglich sind, spricht die Lokalisation der Blutung in den Stammhirnkernen nicht gegen die traumatische Ätiologie. Für die Latenzzeit zwischen Trauma und Ruptur eines sogenannten traumatischen Aneurysma bzw. Pseudoaneurysma sind reparative Vorgänge in der Schlagaderwand und deren Umgebung von Bedeutung.
    Notes: Summary Three clinically and histologically verified cases of “traumatic aneurysm” concerning the a.basilaris, a. communicans posterior, and a. lenticulostriata have been used to demonstrate that these acute and subacute lesions do not belong to the true aneurysms, as defined pathologically and anatomically. They can be considered as acute traumatic lesions of arteries with periarterial hematoma (aneurysma spurium) and should be designated as pseudoaneurysms. Such pseudoaneurysms must not only be differentiated from true aneurysms by radiological and clinical findings but also by histological investigation. An intracranial artery rupture with formation of an pseudoaneurysm due to a blunt injury can also exist without a fracture of the base of the skull. Since traumatic lesions of the striatum arteries are caused especially in children and young adults, the localization of an acute hemorrhage in the basal ganglia does not exclude a traumatic etiology. Early closure of the injury in the artery wall and surroundings by fibrin and thrombotic material with following repairing processes are important for latency between injury and rupture of the pseudoaneurysm.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 39 (1977), S. 211-217 
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Reports of electroencephalographic changes in cases of the traumatic apallic syndrome in children and adolescents are very rare. We tried to correlate special electroencephalographic patterns with the three different stages that are usually seen. We found high voltage subdelta and delta activity in the initial symptom complex, an EEG with dominating delta-theta activity and voltage of medium height corresponding to the fully developed stage, and a flat theta EEG in the stage of remission. The difficulties in interpretation of the changes, especially in children, are discussed. Longitudinal electroencephalographic studies are recommended for diagnosing complications, such as haematomas or palsies, and for prognosis.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 47 (1979), S. 45-52 
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Electroencephalographic (EEG) investigations were done in 36 patients with intracranial aneurysms, before and after surgery. Thirty five of them suffered from subarachnoid hemorrhage (SAH). Pre-operatively, there was no correlation between patients' age or sex and localisation of the aneurysm or degree of EEG disturbances. The most frequent finding was a generalised slowing, the degree of which depended on the time from bleeding to EEG. Focal abnormalities were due to spasms of the vessels or intracerebral haematomas. There was a high correlation with neurological deficits. Post-operatively, EEG disturbances became worse in 21 cases. Generalised and focal abnormalities increased. These were due to focal oedema and the operative approach. The EEG could be correlated very well with the findings from other investigative methods (CT scanning, angiography). The EEG, as a functional method, showed very well the whole state of the brain after bleeding and after operation.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 57 (1981), S. 75-82 
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Thirty-six patients undergoing Dimer X or Amipaque ventriculography or myelography underwent electroencephalographic investigations. In most cases EEG alterations were found. They ranged from general slowing to seizure potentials. These findings and their causes are discussed.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 0942-0940
    Keywords: Pre- and postoperative electroencephalograms and sellar tumours
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Sixty-six patients with tumours in the sellar region were examined. All were operated on either by the transfrontal or the transsphenoidal route. Pre- and postoperative longitudinal electroencephalographic investigations were performed. Preoperative electroencephalograms showed a normal frequency content in cases of intrasellar tumours or those reaching the chiasma. Nearly all cases had irregularities in the temporal regions. Tumours compressing the third ventricle had slower average frequencies and a general slowing in all cases. Besides these alterations unilateral delta waves or bitemporal dysrhythmic groups were sometimes found. A connection between extension of the tumour and its histological nature could not be found, but the operative approach influenced the electroencephalographic disturbances enormously. After a transfrontal approach and removal of the tumour the electroencephalogram was unchanged. Sometimes a mild transient bitemporal slowing was present. But after a transfrontal operative approach a general slowing was common, usually with focal marked slow activity in the right fronto-temporal area.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In the first six months of 1977 156 patients with craniocerebral injuries underwent computerized tomography. Twelve had severe deficits which led to neurosurgical interventions. Only five had space-occupying haematomas. CT was useful in detecting neurosurgical complications, whereas EEG was useful in staging the severity of the trauma. The two methods, the functional one of EEG and the morphological one of CT, are complementary, especially with regard to the posttraumatic course. The clinical symptoms are reflected by EEG better than by CT.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 67 (1983), S. 267-276 
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A CT/T 8800 (General Electric) CT scanner was used to study lumbar disc disease in fifty patients. In seven patients so-called computed tomography mexrizamide myelography was performed, whereas in the remaining cases no contrast enhancement was used. Multiplanar reconstructions were done. Irradiation exposure was measured during the investigations and compared with data during conventional myelography. We found that lumbar CT scanning is not a screening method in cases of lumbar disease, but the aimed use gives further information about the underlying process and its differential diagnosis. Multidirectional reconstructions reduce the number of diagnostic errors. This procedure does not increase the radiation exposure dose in comparison with conventional myelography.
    Type of Medium: Electronic Resource
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