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  • Chemistry  (49)
  • Magnetic resonance imaging  (17)
  • Engineering  (10)
  • Biochemistry and Biotechnology  (4)
  • 82.65  (2)
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Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Spontaneous spinal epidural haematomas with repeated remission and relapse (1997)
    Springer
    Neuroradiology 39 (1997), S. 737-740 
    Details
    ISSN: 1432-1920
    Keywords: Key words Epidural haematoma ; Spine ; Magnetic resonance imaging ; Computed tomographic myelography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We present a case of spontaneous spinal epidural haematoma (SSEH) with a rare clinical course of repeated spontaneous recovery and relapse. The patient suffered three episodes of upper-back pain of sudden onset followed by sensory and motor dysfunction after weight lifting. In the first two episodes, the neurological deficits recovered spontaneously and completely. In the last episode, paraplegia persisted even after emergency surgery. Serial studies with computed tomographic (CT) myelography and magnetic resonance imaging (MRI) demonstrated the remitting and relapsing course of the SSEHs. The possible causes of the SSEHs and the mechanisms of spontaneous recovery are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050498
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Enhanced cervical MRI in identifying intracranial dural arteriovenous fistulae with spinal perimedullary venous drainage (1998)
    Springer
    Neuroradiology 40 (1998), S. 393-397 
    Details
    ISSN: 1432-1920
    Keywords: Key words Brain diseases ; Arteriovenous fistula ; Myelopathy ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Diagnosis of an intracranial dural arteriovenous fistula (DAVF) with spinal perimedullary venous drainage is challenging because the presenting symptoms are usually related to dysfunction of the spine, not of the brain. Repeated spinal angiograms are usually performed before the diagnosis is finally made by cerebral angiography. We report two cases of intracranial DAVFs with spinal perimedullary venous drainage. In both cases contrast-enhanced cervical MRI demonstrated dilated lower brainstem and upper spinal veins, which, we believe, is a good indicator of the existence of such drainage. We suggest that, in cases with perimedullary serpentine enhancement on thoracic or lumbar MR images, additional Gd-enhanced cervical spinal MR imaging should be performed. The simple process of tracing the veins upwards may avoid a lot of unnecessary examinations and delay in the diagnosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050609
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Surface spectroscopy (1982)
    Springer
    Applied physics 28 (1982), S. 229-232 
    Details
    ISSN: 1432-0649
    Keywords: 82.65 ; 68 ; 36.40 ; 78 ; 42.55
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00697849
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Surface-catalyzed photochemical reactions of physisorbed molecules (1983)
    Springer
    Applied physics 31 (1983), S. 171-182 
    Details
    ISSN: 1432-0630
    Keywords: 82.65 ; 82.50 ; 35
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The rate of laser photochemical reactions on surfaces can be enhanced over their gas-phase values by the interplay of a number of surface phenomena. These effects include simple increases in molecular density due to physisorption, spectral shifts in the adsorbed phase, and enhancement in the optical electric field due to surface contouring.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00614950
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Optic atrophy and cerebral infarcts caused by methanol intoxication: MRI (1997)
    Springer
    Neuroradiology 39 (1997), S. 192-194 
    Details
    ISSN: 1432-1920
    Keywords: Key words Brain ; Toxic encephalopathy ; Methanol intoxication ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We present the MRI findings of cerebral and optic pathway damage in the acute and subacute stages of methanol intoxication. In the acute stage, CT and MRI showed bilateral haemorrhagic necrosis of the corpus striatum and infarcts in the anterior and middle cerebral arterial territories. MRI in the subacute stage demonstrated atrophy of the optic chiasm and prechiasmatic optic nerves in addition to the cerebral infarcts. The patient survived, with total blindness.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050391
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    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Balò's concentric sclerosis: MRI (1996)
    Springer
    Neuroradiology 38 (1996), S. 322-324 
    Details
    ISSN: 1432-1920
    Keywords: Demyelinating disease ; Sclerosis ; Brain ; Magnetic resonance imaging ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report a case of Balò's concentric sclerosis. In the past, the diagnosis was usually made post mortem. In this case, we found that CT demonstrated only low-density lesions, but not their concentric pattern. However, MRI showed a striking feature, reminiscent of histopathology of Balò's concentric sclerosis, and played an important role in antemortem diagnosis of this rare demyelinating disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00596578
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Balò's concentric sclerosis: MRI (1996)
    Springer
    Neuroradiology 38 (1996), S. 322-324 
    Details
    ISSN: 1432-1920
    Keywords: Key words Demyelinating disease ; Sclerosis ; Brain ; Magnetic resonance imaging ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report a case of Balò's concentric sclerosis. In the past, the diagnosis was usually made post mortem. In this case, we found that CT demonstrated only low-density lesions, but not their concentric pattern. However, MRI showed a striking feature, reminiscent of histopathology of Balò's concentric sclerosis, and played an important role in antemortem diagnosis of this rare demyelinating disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00596578
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    Paper (German National Licenses)
    Fulltext
  • 8
    Electronic Resource
    Electronic Resource
    Primary chiasmal sarcoid granuloma: MRI (1999)
    Springer
    Neuroradiology 41 (1999), S. 440-442 
    Details
    ISSN: 1432-1920
    Keywords: Key words Optic chiasm ; Sarcoidosis ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report MRI findings of a pathologically proven primary sarcoid granuloma of chiasmal origin that mimicked an optic pathway glioma
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050780
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Unilateral congenital cerebral venous dysgenesis (2000)
    Springer
    Neuroradiology 42 (2000), S. 40-42 
    Details
    ISSN: 1432-1920
    Keywords: Key words Veins, cerebral, anomalies ; Angiography ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract I report a 30-year-old woman with congenital cerebral venous dysgenesis with absence of the internal cerebral and basal veins and most of the cortical veins. Unlike the more common bilateral picture, she had involvement only on the left side, which delayed presentation and gave relatively mild symptoms. The embryological mechanism and differential diagnosis of unilateral absence of the internal cerebral, basal and cortical veins are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050010
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Intracranial meningeal melanocytoma: CT and MRI (1997)
    Springer
    Neuroradiology 39 (1997), S. 811-814 
    Details
    ISSN: 1432-1920
    Keywords: Key words Meningeal melanocytoma ; Magnetic resonance imaging ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report the MRI and CT findings of an intracranial meningeal melanocytoma (IMM) arising from Meckel's cave and review the imaging characteristics of IMM. On CT, IMM constantly appear as well-circumscribed, isodense to slightly dense, extra-axial tumours with homogeneous contrast enhancement. This appearance is nonspecific and similar to that of meningiomas or small neuromas. On MRI, the signal of IMM is strongly related to the amount of melanin pigment: the more melanin, the more shortening of T1 and T2 relaxation times. Only when it shows as a homogeneous mass, bright on T1 and dark on T2 weighting, can a specific diagnosis of a melanin-containing tumour be made. However, this still cannot provide a distinction between IMM and malignant meningeal melanoma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050510
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    Paper (German National Licenses)
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