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  • 11
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 40 (1962), S. 1162-1167 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung Es wird über eine Patientin mit einem Cushingschen Syndrom berichtet, die therapeutisch mittels einer auf stereotaktischem Wege vorgenommenen Hypophysenimplantation von Yttrium90 sehr gut beeinflußt wurde. Innerhalb von 4–5 Monaten nach der Implantation von zwei Yttrium-Stäbchen mit einer Gesamtaktivität von 3,4 mC bildeten sich alle Symptome des Cushingschen Syndroms zurück. Eine Beeinträchtigung der Funktion der übrigen, von der Hypophyse abhängigen endokrinen Drüsen erfolgte nicht. Es kam lediglich zum Auftreten einer leichten sekundären Nebennierenrindeninsuffizienz, die keine Substitutionstherapie erforderlich machte. Verschiedene endokrinologische Untersuchungen, wie die Vornahme des Metopiron-Testes und des ACTH-Testes, gewährten einen Einblick in die Veränderungen der Hypophysen-Nebennierenrinden-Funktion im Anschluß an die Implantation. Im Vergleich zu anderen bei der Behandlung des Cushingschen Syndroms gebräuchlichen Verfahren stellt die Implantation von Yttrium90 einen verhältnismäßig schonenden, aber therapeutisch wirksamen Eingriff dar.
    Type of Medium: Electronic Resource
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  • 12
    Electronic Resource
    Electronic Resource
    Springer
    Journal of neurology 193 (1968), S. 73-96 
    ISSN: 1432-1459
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wurde über eine eigene Technik der gezielten Yttrium 90-Implantation der Hypophyse auf transorbitalem Zugangsweg und ihre Ergebnisse an Hand von 41 Eingriffen berichtet. Die Methode unterscheidet sich von der „percutanen“ paranasal-transsphenoidalen Route im wesentlichen durch die Nadeleintrittsstelle, die mehr lateral und intraorbital liegt. Die Punktionsnadel durchstößt mit einem größeren seitlichen Winkel die Bindehaut und die besonders dünne Ethmoidalwand der Orbita. Dadurch ist ein Abrutschen der Nadel vermieden, und die röntgenologische Kontrolle des Zielpunktes wird im sagittalen Strahlengang durch die Überprojektion der schattengebenden Teile nicht gestört. Die Gefahr einer verschleppten Infektion ist außerdem geringer, da man den Vorteil hat, die Naseninnenräume vollständig zu umgehen. Einzelne Ergebnisse werden bei den verschiedenen Adenomtypen und nach der partiellen und totalen Hypophysenausschaltung besprochen und auf die besonders guten Ergebnisse der Yttrium 90-Implantation bei der Behandlung des Cushing-Syndroms hingewiesen.
    Notes: Summary This is a report on the stereotactic transorbital approach to the sella and the results obtained with hypophyseal implantations of 90Y. The casuistic is based on 41 surgical cases. With this technique the needle is kept within the orbital cavity throughout and aimed in a wide open angle toward the particularly thin ethmoidal wall of the orbita. Thus, slipping of the puncture needle is avoided and the sagittal x-ray control is possible without undesirable superimposition of images. The advantage of bypassing the paranasal sinuses lies in minimizing the danger of an infection being carried along with the needle. The results obtained in the different types of hypophyseal adenomas as well as attempts of totally removing the pituitary gland in cases of gonadal cancer are reviewed. A final reference is made to the favorable experiences in the treatment of Cushing's syndrome with implants of 90Y.
    Type of Medium: Electronic Resource
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  • 13
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 10 (1975), S. 101-106 
    ISSN: 1432-1920
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé La sérioangiotomographie est une méthode d'investigation sélective qui contribue au diagnostic différentiel et de localisation de la tumeur. En cas de localisation près de la ligne médiane de la tumeur supra-tentorielle, cette technique peut être la seule méthode angiographique capable de donner un résultat précis. En cas de masses basales, les relations de la tumeur avec les os et la duremère peuvent être démontrées exactement. De plus, l'angiotomographie permet de nouvelles considérations hémodynamiques concernant le temps circulatoire et l'intensité du blush tumoral en cas de glioblastome.
    Abstract: Zusammenfassung Die Serien-Angio-Tomographie ist eine selektive Untersuchung, die zur exakten Art- und Lokaldiagnose der Tumoren beiträgt. Bei der mittelliniennahen Lokalisation der supratentoriellen Geschwulste kann sie gelegentlich als einzige arteriographische Methode zu einem sicheren Ergebnis führen. Bei den basalen Prozessen läßt sich die Beziehung des Tumors zu den Knochen der Dura exakter darstellen. Darüber hinaus bringt die Angio-Tomographie neue hämodynamische Aspekte hinsichtlich der Kreislaufzeit und Intensität der Tumoranfärbung bei den Glioblastomen.
    Notes: Summary Serial angiotomography is a selective investigative method which contributes to exact differential diagnosis and localization of the tumor. With the localization near the midline of the supratentorial tumors it can occasionally be the only arteriographical method which will bring a definite result. With basal processes the relationship of the tumor to the bones and dura can be demonstrated more accurately. In addition angiotomography brings new haemodynamic aspects with regard to the circulation time and intensity of the tumor stain of glioblastoma.
    Type of Medium: Electronic Resource
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  • 14
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 19 (1980), S. 113-117 
    ISSN: 1432-1920
    Keywords: Tomosynthesis ; Flashing tomosynthesis ; Tomography ; Serial tomography ; Autotomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A new tomographic method called tomosynthesis and its first clinical results are presented. The method is based on classical tomography. All information necessary for the tomography of an object is obtained in one procedure without moving the X-ray tube, the film, or the object. Thus the investigation requires only a few seconds.
    Type of Medium: Electronic Resource
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  • 15
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 18 (1979), S. 103-106 
    ISSN: 1432-1920
    Keywords: Cerebral arterial air embolism ; Arterial embolism on CT ; Esophago-arterial fistula ; Hiatus hernia ; Reflux esophagitis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A case of cerebral air embolism from a rather unusual cause is reported; an esophago-cardiac fistula permitted food particles and air to enter the systemic arterial circulation. Massive embolization caused the patient to become deeply comatose rather suddenly. The computed tomogram (CT) revealed massive cerebral edema with the contradictory finding of wide superficial subarachnoid spaces. These subarachnoid spaces on further evaluation proved to be air in the cerebral vessels.
    Type of Medium: Electronic Resource
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  • 16
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 33 (1991), S. 341-345 
    ISSN: 1432-1920
    Keywords: Arachnoid cysts ; Volume measured ; Cyst growth
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The volumes of intracranial arachnoit cysts were measured in 136 CT scans of 86 patients. Absolute and relative cyst size was calculated. Left hemisphere and middle cranial fossa location prevailed. A slight negative correlation of relative cyst size with age (r=−0.21, NS) disappeared when analysis was restricted to the adult age group (≥20 years). After the sample was divided into two groups according to relative cyst size (cysts less than mean volume vs cysts greater than mean volume), small AC showed no correlation with age, while large AC correlated positively with age (r=0.79,P〈0.05). A subgroup of large AC appears to expand with time, while the majority of small AC remain unchanged.
    Type of Medium: Electronic Resource
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  • 17
    ISSN: 1432-1920
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Problems of correlating ischemic lesions of the brain with the cerebral vessel involved originate in the axial scanning direction. It is almost impossible to line out precisely the borders of the cerebral lobes-far less are we able to describe exactly the areas supplied by the cortical branches of the anterior or middle cerebral artery. Using a method based on detailed perception of the base of the skull and physiological calculations, it is possible to reconstruct the individual baseline of the scan and to project the outlines of the slices upon the lateral view of the angiogram. Thereby a reliable topographical association between CT findings and angiogram is given.
    Type of Medium: Electronic Resource
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  • 18
    ISSN: 1432-1920
    Keywords: Cardiac myxoma ; Stroke ; Cerebrovascular disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Six of 12 patients with histologically verified left atrial myxoma showed CT and MRI evidence of ischemic lesions of varying size and location, predominantly in the left hemisphere.
    Type of Medium: Electronic Resource
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  • 19
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 16 (1978), S. 284-286 
    ISSN: 1432-1920
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Giant intracranial aneurysms are frequently observed as incidental findings on CT and angiograms obtained for purposes other than subarachnoid hemorrhage, such as slowly evolving nerve palsy or hemiparesis. Since giant aneurysms often thrombose, the CT scan may demonstrate a large aneurysmal volume than the angiogram. This paper presents CT and angiogram findings in cerebral aneurysms with a diameter of 25 mm–60 mm. The discussion covers: sort of aneurysm (congenital, arteriosclerotic); type and degree of thrombosis; long-term results after spontaneous thrombosis; and CT examination after using epsilon-aminocaproic acid.
    Type of Medium: Electronic Resource
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  • 20
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 16 (1978), S. 332-334 
    ISSN: 1432-1920
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary CT was performed in more than 500 patients with epilepsy. We did not single out any patient group; in about half of the patients seizures are the only symptom, in the remaining group one symptom among others. CT findings allow very clear distinction between different patient groups. The first group contains patients with symptomatic epilepsy and well-defined CT diagnosis like tumors, a.v. angiomas, tuberous sclerosis, etc. A second patient group consists of patients with seizures only which proved to be symptomatic cases too. In the largest group of about 50%, CT was normal; this contained genuine epilepsy and cases of suspected perinatal brain damage, but also cases with later onset epilepsy. Besides cortical atrophy and cystic changes, the most frequent findings in generalized, psychomotoric, and focal seizures were areas of low density without any enhancement effect after i.v. application of a contrast medium. We are quite sure that this collective is inhomogenous too in spite of its uniform CT. The most valid means of discriminating between several pathogenetic conditions will be CT controls and the further clinical course; etiology still remains unknown in most cases. If we could exclude the cases of perinatal brain damage, trauma, postinfectious states, and cerebral ischemia it would be possible to separate a group of patients on which we could concentrate our efforts on the differential diagnosis between gliomas of slow growth, gliosis, or other nontumorous cerebral conditions. The studies will be continued.
    Type of Medium: Electronic Resource
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