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  • 1
    Electronic Resource
    Electronic Resource
    Isolated unilateral absence of left pulmonary artery with peribronchial arteriovenous malformation showing recurrent hemoptysis (1987)
    Springer
    Pediatric radiology 17 (1987), S. 316-318 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Unilateral absence of a pulmonary artery is an uncommon condition and usually complicated by a cardiac anomaly. Our case is a rare one who showed the absence of the left pulmonary artery with left aortic arch and without cardiac anomaly. He suffered from recurrent hemoptysis and pneumonia since he was 9 months old. Angiography revealed peribronchial arteriovenous malformation of the affected lung which was supplied from subclavicular arteries and bronchial arteries. Although he was treated by operative ligation and angiographic embolotherapy of the supplying systemic arteries, the repeated the attacks of massive hemoptysis and necessiated left pneumonectomy at 10 years of age.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02388246
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Magnetic resonance imaging of jugular foramen neurinomas (1989)
    Springer
    Acta neurochirurgica 96 (1989), S. 83-87 
    Details
    ISSN: 0942-0940
    Keywords: Jugular foramen neurinoma ; magnetic resonance imaging ; computed tomography ; surgical anatomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Four cases of jugular foramen neurinoma, extending from the posterior fossa into the temporal bone through the jugular foramen, are reported. The information provided by magnetic resonance imaging was compared with that by computed tomography. Due to the excellent sensitivity, the absence of bone artifacts, and the ease of imaging in any plane, magnetic resonance imaging gave better information particularly about the location of the tumour than X-CT scan did. It included the dumb-bell-shaped tumour through the jugular foramen, the extra-axial nature of the tumour, and the precise anatomical relationships between the tumour and the facial and acoustic nerves or the internal carotid artery. Sagittal and coronal views clearly demonstrated the superior and inferior margins of the tumour. The information is very useful not only for preoperative diagnosis but also for planning the surgical approaches and postoperative follow-up.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01456163
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Balloon test occlusion of the internal carotid artery with monitoring of compressed spectral arrays (CSAs) of electroencephalogram (1989)
    Springer
    Acta neurochirurgica 101 (1989), S. 29-34 
    Details
    ISSN: 0942-0940
    Keywords: Balloon test occlusion ; internal carotid artery ; compressed spectral arrays (CSAs): electroencephalography (EEG) ; Matas test
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We used the compressed spectral arrays (CSAs) of the electroencephalogram (EEG) to monitor cerebral blood flow related events in balloon test occlusion of the internal carotid artery (balloon Matas test). Reliability of the CSAs was examined in 22 patients subjected to the test. Of 9 patients who underwent subsequent permanent carotid occlusion, in 6 there was no change on CSAs and/or in neurological conditions. In 2 patients, there was a slowing on CSAs prior to the appearance of neurological deterioration during clinical testing. CSAs transformed these EEG changes into a succinct graphic display. In 1 of the 2, for whom the Matas test was repeated 1 year later, there was a change from positive to negative and delayed cerebral infarction occurred after carotid occlusion. In the other patient, an ischaemic insult occurred during the balloon occlusive procedures. The third patient had a fatal delayed ischaemic complication 3 days after surgical ligation of the cervical carotid artery, despite the negative balloon Matas test. Complications in these 3 patients were presumably related to thromboembolic mechanisms. The balloon Matas test monitored by CSAs is useful for detecting change in brain functions attributed to an inadequate blood flow. However, this test is unreliable for predicting thrombo-embolic complications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01410065
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  • 4
    Electronic Resource
    Electronic Resource
    Surgical treatment for paediatric patients with moyamoya disease by indirect revascularization procedures (EDAS, EMS, EMAS) (1989)
    Springer
    Acta neurochirurgica 98 (1989), S. 135-140 
    Details
    ISSN: 0942-0940
    Keywords: Moyamoya disease ; paediatric case ; surgical treatment ; indirect non-anastomotic EC-IC bypass
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Surgical results of paediatric patients with Moyamoya disease who were treated by indirect revascularization procedures are reported. Encephalo-duro-arterio-synangiosis (EDAS), encephalomyo-arterio-synangiosis (EMAS), and/or encephalo-myo-synangiosis (EMS) were performed on 47 sides of 29 children with Moyamoya disease. The results of those non-anastomotic EC-IC bypass procedures were evaluated clinically, angiographically, and by computed tomography (CT). Postoperative external carotid angiograms showed a good collateral formation through EDAS, EMAS, or EMS in about 70–80 percent of all surgically treated sides. The symptoms such as TIA, RIND, and/or involuntary movements disappeared in the cases with a good collateral formation but not in those with insufficient development of the collateral circulation. The indirect EC-IC bypass surgery seems effective for most of the children with Moyamoya disease who present with ischaemic signs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01407339
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  • 5
    Electronic Resource
    Electronic Resource
    Intracranial epidermoid carcinoma: CT and MRI (1995)
    Springer
    Neuroradiology 37 (1995), S. 155-158 
    Details
    ISSN: 1432-1920
    Keywords: Key words Epidermoid carcinoma ; Malignant epidermoid cyst ; Squamous cell carcinoma ; Cerebellopontine angle tumour ; Magnetic resonance imaging.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report a patient with an epidermoid carcinoma an extremely rare brain tumour, in the right cerebellopontine angle cistern. Contrast enhancement is the most important feature for differential diagnosis of epidermoid carcinomas from atypical benign epidermoid cysts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588635
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Cholesterol granuloma in the middle cranial fossa: report of two cases (1995)
    Springer
    Neuroradiology 37 (1995), S. 564-567 
    Details
    ISSN: 1432-1920
    Keywords: Cholesterol granuloma ; Magnetic resonance imaging ; Middle cranial fossa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report two cases of cholesterol granuloma in the middle cranial fossa. On CT the lesions appeared as a nonspecific, nonenhancing soft-tissue mass with bone erosion. On MRI they were seen as areas of high signal intensity surrounded by a low-intensity peripheral zone on both T1- and T2-weighted images. Cholesterol granuloma is thought to occur when pneumatised cellsin the temporal bone become obstructed. Although this lesion usually occurs in the petrous bone, it can extend to the middle cranial fossa. The diagnosis and surgical management are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00593723
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  • 7
    Electronic Resource
    Electronic Resource
    Cholesterol granuloma in the middle cranial fossa: report of two cases (1995)
    Springer
    Neuroradiology 37 (1995), S. 564-567 
    Details
    ISSN: 1432-1920
    Keywords: Key words Cholesterol granuloma ; Magnetic resonance imaging ; Middle cranial fossa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report two cases of cholesterol granuloma in the middle cranial fossa. On CT the lesions appeared as a nonspecific, nonenhancing soft-tissue mass with bone erosion. On MRI they were seen as areas of high signal intensity surrounded by a low-intensity peripheral zone on both T1- and T2-weighted images. Cholesterol granuloma is thought to occur when pneumatised cells in the temporal bone become obstructed. Although this lesion usually occurs in the petrous bone, it can extend to the middle cranial fossa. The diagnosis and surgical management are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00593723
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  • 8
    Electronic Resource
    Electronic Resource
    Erratum (1995)
    Springer
    Neuroradiology 37 (1995), S. 255-255 
    Details
    ISSN: 1432-1920
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01578271
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Functional mapping of the sensorimotor cortex: combined use of magnetoencephalography, functional MRI, and motor evoked potentials (1995)
    Springer
    Neuroradiology 37 (1995), S. 526-530 
    Details
    ISSN: 1432-1920
    Keywords: Key words Functional magnetic resonance imaging ; Magnetic source imaging ; Magnetoencephalography ; Motor evoked potentials
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Combined use of magnetoencephalography (MEG), functional magnetic resonance imaging (f-MRI), and motor evoked potentials (MEPs) was carried out on one patient in an attempt to localise precisely a structural lesion to the central sulcus. A small cyst in the right frontoparietal region was thought to be the cause of generalised seizures in an otherwise asymptomatic woman. First the primary sensory cortex was identified with magnetic source imaging (MSI) of somatosensory evoked magnetic fields using MEG and MRI. Second, the motor area of the hand was identified using f-MRI during hand-squeezing. Then transcranial magnetic stimulation localised the hand motor area on the scalp, which was mapped onto the MRI. There was a good agreement between MSI, f-MRI and MEP as to the location of the sensorimotor cortex and its relationship to the lesion. Multimodality mapping techniques may thus prove useful in the precise localisation of cortical lesions, and in the preoperative determination of the best treatment for peri-rolandic lesions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00593709
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Neuroradiological applications of a new system of stereoscopic biplane digital subtraction angiography (1996)
    Springer
    Neuroradiology 38 (1996), S. 430-432 
    Details
    ISSN: 1432-1920
    Keywords: Cerebral angiography, technology ; Digital subtraction angiography, technology ; Cerebral blood vessels
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A stereoscopic biplane digital subtraction angiography (DSA) system was developed, capable of obtaining frontal and lateral projections simultaneously during a single injection of contrast medium. This new system combines the advantages of both biplane and stereoscopic single-plane DSA, and permits high-quality neuroangiography.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00607266
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