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  • 1
    Electronic Resource
    Electronic Resource
    MR Imaging of Lhermitte-Duclos disease: report of two cases (1992)
    Springer
    European radiology 2 (1992), S. 269-2721 
    Details
    ISSN: 1432-1084
    Keywords: Brain neoplasm ; MR studies ; Magnetic resonance imaging ; Brain diseases
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two cases of Lhermitte-Duclos of the cerebellum are presented. MRI was essential in the radiological diagnosis of both lesions by the demonstration, both on T1- and T2 weighted images of thickened cerebellar folia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00595844
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Coincidence of developmental venous anomalies and other brain lesions: a clinical study (1995)
    Springer
    European radiology 5 (1995), S. 495-500 
    Details
    ISSN: 1432-1084
    Keywords: Angioma ; Central nervous system ; Brain ; MRI ; Arteriovenous malformation ; Cerebral
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In a retrospective study of 72 patients with developmental venous anomalies (DVA) diagnosed by MRI and/or angiography, 33 associated lesions were found in 32 patients (44%). Study of the clinical files allowed classification of the patient population into three groups. In group 1 (11 patients: 34%) the symptoms were attributed with certainty to the associated lesions (1 brain infarction, 2 multiple sclerosis patients, 1 case of meningitis, and 7 patients with tumors). In group 2 (9 patients: 28%) the symptoms were probably caused by the associated lesion and not by the associated DVA (1 contusion, 1 Sturge-Weber angiomatosis, and 7 hemorrhagic DVA). In group 3 (12 patients: 38%) the symptoms were nonspecific (10 cavernous angiomas, 1 varix with sinus pericranii, and 1 ectasia of the middle cerebral artery. These findings sustain the theory that DVA is a congenital anomaly of the venous drainage of the brain, without pathological significance, and must be considered as an incidental finding.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00208341
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    CT and MRI of amyloidoma of the CNS (1997)
    Springer
    European radiology 7 (1997), S. 474-476 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Amyloidosis ; Cerebral amyloidoma ; CT ; MRI
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. We present a case of cerebral amyloidoma in a 71-year-old woman. The clinical presentation and the radiological features were both highly suggestive for a brain tumor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050186
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Intracavernous aneurysm (1990)
    Springer
    Neuroradiology 32 (1990), S. 322-324 
    Details
    ISSN: 1432-1920
    Keywords: Magnetic resonance angiography ; Carotid artery aneurysm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A case of intracavernous aneurysm in a 56-year-old woman is reported. The superiority of MRI and MRA in the diagnosis is shown.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00593054
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Characterisation of intracranial aneurysms with MR angiography (1995)
    Springer
    Neuroradiology 37 (1995), S. 262-266 
    Details
    ISSN: 1432-1920
    Keywords: Intracranial aneurysm ; Magnetic resonance angiography ; Time-of-flight ; Black-blood acquisition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The purpose of this study was to compare the accuracy of 3D time-of-flight (TOF) acquisitions in the characterisation of intracranial aneurysms. Fourteen patients with aneurysms proven on intra-arterial angiography were first studied with a 3D TOF acquisition. When the aneurysms were incompletely demonstrated, additional MR angiography (MRA) acquisitions were performed, including black-blood MRA, 2D TOF, phase-contrast and contrast-enhanced TOF. 3D TOF MRA was sufficient for detection of the aneurysm in 13 of 14 cases and characterisation of the aneurysm was possible in 6. All the initial shortcomings of the TOF technique could be analysed and explained by means of additional MRA techniques. This study suggests that the combination of different MRA techniques offers new possibilities for noninvasive investigation of intracranial aneurysms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588328
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Characterisation of intracranial aneurysms with MR angiography (1995)
    Springer
    Neuroradiology 37 (1995), S. 262-266 
    Details
    ISSN: 1432-1920
    Keywords: Key words Intracranial aneurysm ; Magnetic resonance angiography ; Time-of-flight ; Black-blood acquisition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The purpose of this study was to compare the accuracy of 3D time-of-flight (TOF) acquisitions in the characterisation of intracranial aneurysms. Fourteen patients with aneurysms proven on intra-arterial angiography were first studied with a 3D TOF acquisition. When the aneurysms were incompletely demonstrated, additional MR angiography (MRA) acquisitions were performed, including black-blood MRA, 2D TOF, phase-contrast and contrast-enhanced TOF. 3D TOF MRA was sufficient for detection of the aneurysm in 13 of 14 cases and characterisation of the aneurysm was possible in 6. All the initial shortcomings of the TOF technique could be analysed and explained by means of additional MRA tech- niques. This study suggests that the combination of different MRA techniques offers new possibilities for noninvasive investigation of intracranial aneurysms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588328
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Spiral CT of intracranial aneurysms: correlation with digital subtraction and magnetic resonance angiography (1996)
    Springer
    Neuroradiology 38 (1996), S. S20 
    Details
    ISSN: 1432-1920
    Keywords: Key words Aneurysm ; intracranial ; Computed tomography ; helical ; Magnetic resonance angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Spiral CT and magnetic resonance angiography (MRA) were performed in ten patients with 14 intracranial aneurysms known from conventional angiography. All lesions, the smallest 3 mm in diameter, were visible on spiral CT and MRA. The neck of the aneurysm and its anatomical relations could very accurately be determined in all cases. Advantages of spiral CT over MRA are: a short acquisition time with reduction of motion artefacts, no dependence on flow rate or cardiac output, and excellent visualisation of calcification, thrombus and bony landmarks. Disadvantages are the necessity for iodinated contrast medium, long postprocessing and reconstruction time and the possibility of overlap of bone and venous blood.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050912
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Spiral CT of intracranial aneurysms: Correlation with digital subtraction and magnetic resonance angiography (1996)
    Springer
    Neuroradiology 38 (1996), S. S20 
    Details
    ISSN: 1432-1920
    Keywords: Aneurysm, intracranial ; Computed tomography, helical ; Magnetic resonance angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Spiral CT and magnetic resonance angiography (MRA) were performed in ten patients with 14 intracranial aneurysms known from conventional angiography. All lesions, the smallest 3 mm in diameter, were visible on spiral CT and MRA. The neck of the aneurysm and its anatomical relations could very accurately be determined in all cases. Advantages of spiral CT over MRA are: a short acquisition time with reduction of motion artefacts, no dependence on flow rate or cardiac output, and excellent visualisation of calcification, thrombus and bony landmarks. Disadvantages are the necessity for iodinated contrast medium, long postprocessing and reconstruction time and the possibility of overlap of bone and venous blood.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02278113
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Functional MRI of the brain: localisation of eloquent cortex in focal brain lesion therapy (1998)
    Springer
    European radiology 8 (1998), S. 1573-1580 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Functional imaging ; Brain abnormalities ; MR studies ; Neoplasms ; Image correlation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The aim of this study was to assess the feasibility of functional MRI (fMRI) in a clinical environment on a large patient group, and to evaluate the pretherapeutic value of localisation of eloquent cortex. Forty patients with focal brain lesions of different origin were studied using fMRI. Functional information was obtained using motor, somatosensory, auditory and phonological stimuli depending on the localisation of the lesions. To obtain information about the spatial accuracy of fMRI, the results were compared with postoperative electrocortical stimulation. Two patients with secondary trigeminal neuralgia were scanned using a motor protocol and were implanted with an extradural plate electrode. Imaging was successful in 40 of 42 patients (including the 2 with trigeminal neuralgia). These patients were analysed for strength of activation, the relation of the lesion to activation sites and the presence of mass effect. The correlation between these data and surgical findings provided significant additional clinical information. Functional MRI can be accurately performed in patients with focal brain lesions using a dedicated approach. Functional MRI offers important clinical information as a contribution to a decrease in posttherapeutic morbidity. The accuracy of the technique can be confirmed by other modalities, including invasive cortical electrostimulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050589
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    Paper (German National Licenses)
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