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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 107 (1990), S. 65-69 
    ISSN: 0942-0940
    Keywords: Meningioma ; tumour recurrence ; multiple tumours ; falx ; brain neoplasm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Although meningiomas are of benign character and generally of encapsulated growth, recurrence is a known problem in treatment. The authors present the time course of a recurrent parasagittal meningioma of the falx, which recurred eleven times. Despite modern radiological diagnostic methods, which made early diagnosis of recurrent tumour possible, and the use of modern microsurgical techniques with radical tumour extirpation and followed by radiotherapy, the fatal course of benign tumour disease could not be stopped.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1084
    Keywords: White matter lesions ; Cerebrovascular disease ; Magnetic resonance imaging ; Brain infarction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To establish data about prevalence, number and topography of “unspecific” white matter lesions as seen on MRI, the T2-weighted MRI scans of 83 patients with hyperintense focal white matter changes were reviewed. Patients with known inflammatory central nervous system disease were excluded. There was an approximately linear increase in prevalence and number of lesions with age. Prevalence ranged from 18% in the third decade to over 90% in those over 70 years. We found a close correlation with concomitant periventricular hyperintensity. However, rating of Virchow-Robin spaces did not correlate with the number of white matter lesions. Both hemispheres were involved nearly equally with a minimal non-significant right side preponderance. Lesions showed a strong predilection for the frontal and parietal paraventricular “watershed” areas.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1084
    Keywords: MRI ; Psychiatry ; white matter
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract T2-weighted MRI scans of psychiatric patients with at least one white matter lesion (WML) were compared to 83 non-psychiatric controls with respect to WML number and distribution. MANOVA results in significant effects for sex, age and patient group with respect to WML number. In the psychiatric patients, infratentorial WML prevailed in organic psychoses. WML number was positively correlated with age with the exception of rith temporal lobe WML. Based on WML spatial distribution, four patient clusters were found. Clusters with widely distributed WML comprised older patients with late onset of illness; right frontal and temporal WML were associated with mania, euphoria and unstable mood.
    Type of Medium: Electronic Resource
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  • 4
    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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  • 5
    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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  • 6
    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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  • 7
    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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  • 8
    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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  • 9
    ISSN: 1432-1920
    Keywords: Magnetic resonance imaging ; Quantification ; Multiple sclerosis ; Treatment ; Evaluation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Magnetic resonance scans of 74 patients with multiple sclerosis participating in a controlled trial were compared 6 months before and at the end of a 24–32 months-treatment period with either Cyclosporin A (n=31) or Azathioprine (n=43). Both qualitative rating and computation of lesion volume showed deterioration in more than 40% of the patients, while by clinical criteria only 10–30% were worse. No significant difference was noted when the two treatment groups were compared. If careful repositioning and standardized image parameters are used, MRI is an indispensable tool for the objective determination of disease progression in MS although it cannot replace clinical examination.
    Type of Medium: Electronic Resource
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  • 10
    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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