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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 19 (1980), S. 137-141 
    ISSN: 1432-1920
    Keywords: Computed tomography ; Tuberculous meningitis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Computed tomography is a very valuable method by which the pathogenic evolution of tuberculous meningitis may be followed, thereby facilitating its differential diagnosis and controlling the efficiency of therapy. The initial miliary tuberculosis in the brain, very often unaccompanied by neurological symptoms, may offer very evident CT images. CT may also demonstrate the fibrogelatinous exudate which fills the basal cisterns and surrounds the arterial vessels which cross this region. Because of this, secondary arteritis is frequent and may be indirectly detected by CT in the form of foci of ischemic infarcts. Tuberculomas may be multiple, and are found equally in the cerebral and the cerebellar parenchyma. These tuberculomas present different images on CT, depending on the evolution of the disease at that moment. Hydrocephalus is a common complication of TM and is caused by a lack of reabsorption of the cerebrospinal fluid, or by an obstructive lesion in the ventricular drainage pathways due to a tuberculoma. This complication is usually easily identified by CT, which, moreover, permits the control of its evolution.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 9 (1975), S. 209-214 
    ISSN: 1432-1920
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Sous des conditions techniques courantes, il est possible de visualiser angiographiquement, pour un pourcentage élevé de cas, une artére radiculo-médullaire nourricière de l'axe spinal antérieur cervical, provenant des artères vertébrales. Le niveau de son émergence est varié, mais avec prédominance sur les niveaux C5−C6. Cette artère radiculo-médullaire peut être comprimée directement par une lésion spondylosique, au niveau du foramen de conjonction. Cela représenterait par conséquent l'une des causes du syndrome isch'emique observé dans les myélopathies cervicales consécutives à ce procès.
    Abstract: Zusammenfassung Unter normalen Bedingungen ist es in einem hohen Prozentsatz der Fälle möglich, eine radiculo-medulläre Arterie des vorderen Zervikalmarks angiographisch darzustellen, die aus den Vertebralarten stammt. Diese radiculo-medulläre Arterie kann an einem Foramen intervertebrale durch spondylotische Veränderungen abgedrückt werden und somit eine der Ursachen des ischämischen Syndroms sein, das schließlich zur zervikalen Myelopathie führt.
    Notes: Summary Under usual technical conditions, it is possible, in a great percentage of cases, to visualize angiographically the afferent radiculospinal artery feeding the anterior cervical spinal axis, coming from the vertebral argeries. The level of its emergence is varied, predominating at C5−C6. This radiculospinal artery can be directly affected by a spondylotic lesion at the foraminal level and is one of the causes of the ischemic syndrome observed in the cervical myelopathies resulting from this process.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 16 (1978), S. 375-377 
    ISSN: 1432-1920
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The feeding of the anterior spinal artery of the cervical cord is very poor. Angiographic studies have shown that only two to three radiculomedullar arteries assure the feeding of this arterial axis. Since it is possible that smaller feeding arteries exist, which are not visible on a conventional X-ray study, we have reviewed cases with arteriovenous aneurysms or vascularized tumors in the cervical region, and obstructions of the vertebral arteries. In these cases, the feeding arteries may be hypertrophic. In spite of being hypertrophic, their number is not increased, and the statistical proportion is the same as in the studies carried out in normal cases.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1459
    Keywords: Transient ischaemic attacks ; Reversible ischaemic neurological deficit ; Brain infarction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Two hundred and nineteen patients admitted with reversible atherothrombotic ischaemic attacks were prospectively evaluated by computed tomography. Of these patients, 122 were diagnosed as suffering from transient ischaemic attacks, 58 from reversible ischaemic neurological deficits and 39 from reversible ischaemic neurological deficits with incomplete resolution. In 133 cases the ischaemic event affected the carotid system, in 63 the vertebrobasilar system and in 23 cases the system could not be determined. Brain infarctions were observed in 64 patients (29.2%), cerebral atrophy in 96 (44.4%) and dilatation of a ventricle in 17 (7.8%). The frequency of brain infarction was related to the duration of the neurological deficit, being 20.5% in those with transient ischaemic attacks, 37.9% in those with reversible ischaemic neurological deficits and 43.6% in patients with reversible ischaemic neurological deficits with incomplete resolution (P=0.005). Ischaemic lesions were closely correlated with abnormalities on supra-aortic trunk angiography or Doppler ultrasonography. During an average follow-up period of 21 months, a higher percentage of recurrence was found in those patients with CT infarctions, but the difference was not significant.
    Type of Medium: Electronic Resource
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