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  • Magnetic resonance imaging  (17)
  • Engineering  (10)
  • Computed tomography  (5)
  • Oryza sativa  (3)
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  • 1
    Digitale Medien
    Digitale Medien
    Spontaneous spinal epidural haematomas with repeated remission and relapse (1997)
    Springer
    Neuroradiology 39 (1997), S. 737-740 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Key words Epidural haematoma ; Spine ; Magnetic resonance imaging ; Computed tomographic myelography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s002340050498
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  • 2
    Digitale Medien
    Digitale Medien
    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
    Schlagwort(e): Key words Brain diseases ; Arteriovenous fistula ; Myelopathy ; Magnetic resonance imaging
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s002340050609
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  • 3
    Digitale Medien
    Digitale Medien
    Senescence of rice leaves XXIX. Ethylene production, polyamine level and polyamine biosynthetic enzyme activity during senescence
    Amsterdam : Elsevier
    Plant Science 78 (1991), S. 193-198 
    Details
    ISSN: 0168-9452
    Schlagwort(e): Oryza sativa ; S-adenosyl-l-methionine decarboxylase ; arginine decarboxylaase ; ethylene ; leaf senescence ; ornithine decarboxylase ; putrescine ; spermidine ; spermine
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0168-9452(91)90198-H
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  • 4
    Digitale Medien
    Digitale Medien
    Optic atrophy and cerebral infarcts caused by methanol intoxication: MRI (1997)
    Springer
    Neuroradiology 39 (1997), S. 192-194 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Key words Brain ; Toxic encephalopathy ; Methanol intoxication ; Magnetic resonance imaging
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s002340050391
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  • 5
    Digitale Medien
    Digitale Medien
    Balò's concentric sclerosis: MRI (1996)
    Springer
    Neuroradiology 38 (1996), S. 322-324 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Demyelinating disease ; Sclerosis ; Brain ; Magnetic resonance imaging ; Computed tomography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00596578
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  • 6
    Digitale Medien
    Digitale Medien
    Balò's concentric sclerosis: MRI (1996)
    Springer
    Neuroradiology 38 (1996), S. 322-324 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Key words Demyelinating disease ; Sclerosis ; Brain ; Magnetic resonance imaging ; Computed tomography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00596578
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  • 7
    Digitale Medien
    Digitale Medien
    Primary chiasmal sarcoid granuloma: MRI (1999)
    Springer
    Neuroradiology 41 (1999), S. 440-442 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Key words Optic chiasm ; Sarcoidosis ; Magnetic resonance imaging
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We report MRI findings of a pathologically proven primary sarcoid granuloma of chiasmal origin that mimicked an optic pathway glioma
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s002340050780
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  • 8
    Digitale Medien
    Digitale Medien
    Unilateral congenital cerebral venous dysgenesis (2000)
    Springer
    Neuroradiology 42 (2000), S. 40-42 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Key words Veins, cerebral, anomalies ; Angiography ; Magnetic resonance imaging
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s002340050010
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  • 9
    Digitale Medien
    Digitale Medien
    Intracranial meningeal melanocytoma: CT and MRI (1997)
    Springer
    Neuroradiology 39 (1997), S. 811-814 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Key words Meningeal melanocytoma ; Magnetic resonance imaging ; Computed tomography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s002340050510
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  • 10
    Digitale Medien
    Digitale Medien
    Imaging of huge lingual thyroid gland with goitre (1998)
    Springer
    Neuroradiology 40 (1998), S. 335-337 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Key words Thyroid ; lingual ; Goitre ; Computed tomography ; Magnetic resonance imaging
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We present the CT and MRI findings in a 75-year-old woman with a huge pathologically proven lingual thyroid which underwent goitrous degeneration. CT and MRI showed a midline, tongue-based, exophytic mass with areas of necrosis and heterogeneous contrast enhancement, as seen in large goitres in the normal thyroid gland.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s002340050595
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