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  • 1
    Digitale Medien
    Digitale Medien
    Progressive bilateral thinning of the parietal bones (1982)
    Springer
    Skeletal radiology 8 (1982), S. 29-33 
    Details
    ISSN: 1432-2161
    Schlagwort(e): Skull parietal thinning ; Parietal bone ; Computed tomography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Observation of a case of progressive bilateral parietal thinning within a period of 14 years induced us to study skull films of 3,636 consecutive patients. Parietal thinning was found in 86 patients (2.37%). It was more common in women, with a sex ratio of 1:1.9. The mean age of the females was 72 years, and that of the males 63 years. Previous skull films of 25 of these patients were available and showed progression in 10. It is concluded that parietal thinning is a slowly progressive disease of middle-aged and old patients and is not an anatomical variant or congenital dysplasia of the diploe.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00361365
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  • 2
    Digitale Medien
    Digitale Medien
    The differential diagnosis of pontine angle meningioma and acoustic neuroma with computed tomography (1978)
    Springer
    Neuroradiology 17 (1978), S. 21-23 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Computed tomography ; Pontine angle meningioma ; Acoustic neuroma ; Differential diagnosis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Seven pontine angle meningiomas were examined with computed tomography (CT). The result was compared with that of a study of 61 acoustic neuromas. These two tumor types differ in manner of growth, volume, shape,attenuation, attachment to bone, cisternal deformation, frequency of calcification, peripheral edema, and bone changes.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00345265
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  • 3
    Digitale Medien
    Digitale Medien
    Evaluation of the internal auditory meatus with acoustic neuromas using computed tomography (1979)
    Springer
    Neuroradiology 17 (1979), S. 197-200 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Computed tomography ; Internal auditory meatus ; Skull ; Acoustic neuroma ; Diagnosis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Forty-seven patients with 48 unoperated acoustic neuromas have been studied by computed tomography (CT) with respect to bone changes. CT and conventional X-ray examination of the skull were compared. The importance of using a small collimator, proper selection of the plane of the CT section and changing of the window level is stressed. CT detects porus changes as accurately as conventional X-ray methods.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00342747
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  • 4
    Digitale Medien
    Digitale Medien
    Early contrast enhancement of acoustic neuroma (1978)
    Springer
    Neuroradiology 17 (1978), S. 31-33 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Computed tomography ; Contrast medium enhancement ; Acoustic neuroma
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary The changes of the enhancement of the lesion with time after intravenous administration of contrast medium were measured with computed tomography (CT) in 23 cases of acoustic neuroma. The pattern of high initial enhancement followed by a fairly rapid decrease is confirmed. A more rigorous study of the enhancement pattern using a mathematical description of the enhancement curve of the tumor as well as a measurement of the individual blood enhancement curve is discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00345267
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  • 5
    Digitale Medien
    Digitale Medien
    Diagnosis of acoustic neuroma with computed tomography (1978)
    Springer
    Neuroradiology 17 (1978), S. 25-30 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Computed tomography ; Acoustic neuroma ; Diagnosis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Sixty-one acoustic neuromas were examined with computed tomography (CT). For differential diagnosis the tumors were thoroughly analyzed for manner of growth, shape, volune, calcification, attenuation pattern, contrast enhancement, presence of peripheral edema, and cisternal deformation.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00345266
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  • 6
    Digitale Medien
    Digitale Medien
    Attenuation profiles of the petrous bone with acoustic neuroma (1980)
    Springer
    Neuroradiology 19 (1980), S. 123-129 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Computed tomography ; Acoustic neuroma ; Internal auditory meatus ; Attenuation profiles
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Attenuation profiles across the petrous bone covering the whole internal auditory meatus (IAM) were constructed from the printouts obtained by computed tomography (CT) with narrow collimation performed on 12 patients with 13 acoustic neuromas. In healthy patients the attenuation profiles of right and left petrous bone were very similar in shape. The attenuation values of the individual pixels in the pixel columns of the printout located at the site of the porus and the IAM reflected the demineralization of the petrous bone and the widening of the porus and the IAM caused by the acoustic neuroma. A widening deep in the meatus was demonstrated in a patient with an intracanalicular tumor, and therefore it seems possible to make this diagnosis by CT scanning combined with the construction of attenuation profiles across the petrous bone. In the presence of unilateral acoustic neuroma there was a significant and characteristic difference in shape between the attenuation profiles of the two sides with generally lower attenuation values on the tumor side together with signs of widening of the porus and the IAM. In cases of bilateral acoustic neuroma comparison of the attenuation profiles can be made with mean attenuation curves obtained from scanning normal petrous bones. The prevailing physical limitations for demonstrating a narrow bony canal like the IAM with CT was experimentally analyzed using bone-simulating plastic material.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00342386
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  • 7
    Digitale Medien
    Digitale Medien
    Excitative effects in anaesthetized rabbits from subarachnoidally injected iso- and hyperosmolar solutions of iohexol and metrizamide (1984)
    Springer
    Neuroradiology 26 (1984), S. 131-136 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Contrast media ; neurotoxicity ; chemotoxicity ; osmolality ; subarachnoid injection
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Equimolar doses of iohexol and metrizamide (0.48 mmol/kg body weight = 185 mg I/kg), administered in solutions iso- and hyperosmolar to the CSF, were injected subarachnoidally into rabbits under pentobarbital anaesthesia. No excitative effects of iohexol were observed in the behaviour of the rabbits during a 3-h period immediately after the injection. Metrizamide caused significant, severe excitative effects, ranging from hyperexcitability to repeated generalized seizures. The frequency and severity of excitative effects were independent of the osmolality of the metrizamide solutions injected.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00339861
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  • 8
    Digitale Medien
    Digitale Medien
    Interaction between chlorpromazine and intrathecally injected non-ionic contrast media in non-anaesthetized rabbits (1984)
    Springer
    Neuroradiology 26 (1984), S. 235-240 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Chlorpromazine ; contrast media ; interaction ; neurotoxicity ; subarachnoid injection ; subdural injection
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary During a 14-day period, 45 of 78 rabbits were treated intravenously with chlorpromazine (5 mg kg-1 day-1). Metrizamide or iohexol was injected subarachnoidally and the neurotoxic effects of each substance on rabbit behaviour were evaluated for 3 h in both chlorpromazine-treated and non-treated rabbits. Chlorpromazine increased both the excitative and the depressive effects of metrizamide and the depressive effects of iohexol. No signs of excitation were observed in chlorpromazine-treated and non-treated rabbits after subarachnoid injections of iohexol. In spite of a free flow of clear fluid from the needle both before and after the intended subarachnoid injection, radiography disclosed that 26 of 67 suboccipital injections inadvertently resulted in a subdural deposition of the contrast medium. Contrast medium effects following subdural injection significantly differed from those following subarachnoid injection.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00342420
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  • 9
    Digitale Medien
    Digitale Medien
    Changes of internal auditory meatus (1978)
    Springer
    Neuroradiology 16 (1978), S. 454-455 
    Details
    ISSN: 1432-1920
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Forty-seven patients with 48 nonoperated acoustic neuromas have been studied by computed tomography (CT) with respect to bone changes. CT and conventional X-ray examination of the skull were compared. The importance of using a small collimator, proper selection of the plane of the CT section, and changing of the window level is stressed. CT detects porus changes as accurately as conventional X-ray methods.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00395330
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  • 10
    Digitale Medien
    Digitale Medien
    Die Gliome der Großhirnhemisphären (1932)
    Springer
    Journal of neurology 128 (1932), S. 1-44 
    Details
    ISSN: 1432-1459
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01759953
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