Timo Krings

Summary

Affiliation: RWTH Aachen
Country: Germany

Publications

  1. ncbi Introducing navigated transcranial magnetic stimulation as a refined brain mapping methodology
    T Krings
    University Hospital of the Technical University of Aachen, Interdisciplinary Center of Clinical Research, Central Nervous System, Germany
    Neurosurg Rev 24:171-9. 2001
  2. ncbi Spinal dural arteriovenous fistula associated with a spinal perimedullary fistula: case report
    Timo Krings
    Department of Neuroradiology, Clinic for Neurosurgery of the University Hospital, RWTH Aachen University, Germany
    J Neurosurg Spine 4:241-5. 2006
  3. ncbi The hyperdense posterior cerebral artery sign: a computed tomography marker of acute ischemia in the posterior cerebral artery territory
    Timo Krings
    Department of Neuroradiology, RWTH Aachen University, Aachen, Germany
    Stroke 37:399-403. 2006
  4. ncbi Hereditary hemorrhagic telangiectasia in children: endovascular treatment of neurovascular malformations: results in 31 patients
    T Krings
    Service de Neuroradiologie Diagnostique et Therapeutique, Hopital de Bicetre, Le Kremlin Bicetre, Paris, France
    Neuroradiology 47:946-54. 2005
  5. ncbi Time-of-flight-, phase contrast and contrast enhanced magnetic resonance angiography for pre-interventional determination of aneurysm size, configuration, and neck morphology in an aneurysm model in rabbits
    Timo Krings
    Department of Neuroradiology, University Hospital of the University of Technology, Aachen, Pauwelsstrasse 30, 52057 Aachen, Germany
    Neurosci Lett 326:46-50. 2002
  6. ncbi Factors related to the magnitude of T2* MR signal changes during functional imaging
    T Krings
    Department of Neuroradiology and Interdisciplinary Centre for Clinical Research Central Nervous System, University Hospital of the Technical University Aachen, Pauwelsstrasse 30, 52057 Aachen, Germany
    Neuroradiology 44:459-66. 2002
  7. ncbi Neurovascular phenotypes in hereditary haemorrhagic telangiectasia patients according to age. Review of 50 consecutive patients aged 1 day-60 years
    T Krings
    Service de Neuroradiologie Diagnostique et Therapeutique, Hopital de Bicetre, Le Kremlin Bicetre, Paris, France
    Neuroradiology 47:711-20. 2005
  8. ncbi Intracranial arterial aneurysm vasculopathies: targeting the outer vessel wall
    Timo Krings
    Service de Neuroradiologie Diagnostique et Therapeutique, Hopital de Bicetre, Le Kremlin Bicetre, Paris, France
    Neuroradiology 47:931-7. 2005
  9. ncbi Multimodality neuroimaging: research and clinical applications
    T Krings
    Department of Neuroradiology, University Hospital of the RWTH Aachen Medical School, Aachen, Germany
    Neurol Clin Neurophysiol 2001:2-11. 2001
  10. ncbi Treatment of experimentally induced aneurysms with stents
    Timo Krings
    Department of Neuroradiology, University Hospital, University of Technology, Aachen, Germany
    Neurosurgery 56:1347-59; discussion 1360. 2005

Detail Information

Publications108 found, 100 shown here

  1. ncbi Introducing navigated transcranial magnetic stimulation as a refined brain mapping methodology
    T Krings
    University Hospital of the Technical University of Aachen, Interdisciplinary Center of Clinical Research, Central Nervous System, Germany
    Neurosurg Rev 24:171-9. 2001
    ..In conclusion, navigated TMS is a reliable alternative for localizing cortical functions and therefore may be a useful adjunct or in selected patients even a helpful alternative to other functional neuroimaging methods...
  2. ncbi Spinal dural arteriovenous fistula associated with a spinal perimedullary fistula: case report
    Timo Krings
    Department of Neuroradiology, Clinic for Neurosurgery of the University Hospital, RWTH Aachen University, Germany
    J Neurosurg Spine 4:241-5. 2006
    ..The authors conclude that despite the rarity of dual pathological entities, the clinician should be aware of the possibility of the concurrence of more than one spinal fistula in the same patient...
  3. ncbi The hyperdense posterior cerebral artery sign: a computed tomography marker of acute ischemia in the posterior cerebral artery territory
    Timo Krings
    Department of Neuroradiology, RWTH Aachen University, Aachen, Germany
    Stroke 37:399-403. 2006
    ..The purpose of this study was to define the hyperdense posterior cerebral artery (PCA) sign and determine its incidence, diagnostic value, and reliability as a marker for ischemia in the territory of the PCA...
  4. ncbi Hereditary hemorrhagic telangiectasia in children: endovascular treatment of neurovascular malformations: results in 31 patients
    T Krings
    Service de Neuroradiologie Diagnostique et Therapeutique, Hopital de Bicetre, Le Kremlin Bicetre, Paris, France
    Neuroradiology 47:946-54. 2005
    ..The endovascular approach employing glue as the embolizing agent represents a safe and efficient way to control the neurovascular phenotypes of HHT...
  5. ncbi Time-of-flight-, phase contrast and contrast enhanced magnetic resonance angiography for pre-interventional determination of aneurysm size, configuration, and neck morphology in an aneurysm model in rabbits
    Timo Krings
    Department of Neuroradiology, University Hospital of the University of Technology, Aachen, Pauwelsstrasse 30, 52057 Aachen, Germany
    Neurosci Lett 326:46-50. 2002
    ..The described MRA techniques might then be helpful for pre-interventional planning and maybe even for the follow-up of the thus treated aneurysms...
  6. ncbi Factors related to the magnitude of T2* MR signal changes during functional imaging
    T Krings
    Department of Neuroradiology and Interdisciplinary Centre for Clinical Research Central Nervous System, University Hospital of the Technical University Aachen, Pauwelsstrasse 30, 52057 Aachen, Germany
    Neuroradiology 44:459-66. 2002
    ..739 ( P<0.001). No other predictive factor was identified (all P>0.20). Disturbances of cerebral blood flow and metabolism induced by the tumour were presumed to be the causes of a decrease in signal in the adjacent cortex...
  7. ncbi Neurovascular phenotypes in hereditary haemorrhagic telangiectasia patients according to age. Review of 50 consecutive patients aged 1 day-60 years
    T Krings
    Service de Neuroradiologie Diagnostique et Therapeutique, Hopital de Bicetre, Le Kremlin Bicetre, Paris, France
    Neuroradiology 47:711-20. 2005
    ..The nature of this triggering event is, however, as of yet unclear...
  8. ncbi Intracranial arterial aneurysm vasculopathies: targeting the outer vessel wall
    Timo Krings
    Service de Neuroradiologie Diagnostique et Therapeutique, Hopital de Bicetre, Le Kremlin Bicetre, Paris, France
    Neuroradiology 47:931-7. 2005
    ..Intelligent" MRI contrast agents (i.e., macrophage marking) could be used to detect vasa vasorum proliferation and weakening of the vessel wall in vivo...
  9. ncbi Multimodality neuroimaging: research and clinical applications
    T Krings
    Department of Neuroradiology, University Hospital of the RWTH Aachen Medical School, Aachen, Germany
    Neurol Clin Neurophysiol 2001:2-11. 2001
    ..We describe the method used to coregister TMS and fMRI and present examples where a multimodality neuroimaging approach might add to our understanding of normal and pathological brain function...
  10. ncbi Treatment of experimentally induced aneurysms with stents
    Timo Krings
    Department of Neuroradiology, University Hospital, University of Technology, Aachen, Germany
    Neurosurgery 56:1347-59; discussion 1360. 2005
    ....
  11. pmc Hypertrophic olivary degeneration following pontine haemorrhage: hypertensive crisis or cavernous haemangioma bleeding?
    T Krings
    Department of Neuroradiology, University Hospital of the University of Technology, Aachen, Germany
    J Neurol Neurosurg Psychiatry 74:797-9. 2003
    ..However, in the three reported cases, imaging findings within the former bleeding cavity suggested a cavernous haemangioma as the source of the haemorrhage...
  12. ncbi A refined method for creating saccular aneurysms in the rabbit
    Timo Krings
    Department of Neuroradiology, University Hospital of the University of Technology Aachen, Pauwelsstrase 30, 52057, Aachen, Germany
    Neuroradiology 45:423-9. 2003
    ..These aneurysms can be used for testing new endovascular devices for embolization of intracranial aneurysms...
  13. ncbi New developments in MRA: time-resolved MRA
    T Krings
    Department of Neuroradiology, University Hospital of the Technical University, Aachen, Germany
    Neuroradiology 46:s214-22. 2004
    ..This technique is the only MR imaging method able to provide dynamic information on the cerebral vasculature. It therefore constitutes a helpful adjunct to the imaging armentarium in many clinical situations...
  14. ncbi Spinal vascular malformations
    Timo Krings
    Department of Neuroradiology, University Hospital Aachen, Pauwelsstrasse 30, 52057, Aachen, Germany
    Eur Radiol 15:267-78. 2005
    ..In spinal arteriovenous malformations, the endovascular approach is the method of first choice; in selected cases, a combined therapy might be sensible...
  15. ncbi Silent microemboli related to diagnostic cerebral angiography: a matter of operator's experience and patient's disease
    T Krings
    Department of Neuroradiology, University Hospital of Technical University Aachen, Pauwelsstrasse 30, 52057 Aachen, Germany
    Neuroradiology 48:387-93. 2006
    ....
  16. ncbi Magnetic versus manual guidewire manipulation in neuroradiology: in vitro results
    T Krings
    Department of Neuroradiology, University Hospital Aachen, Pauwelsstrasse 30, 52057 Aachen, Germany
    Neuroradiology 48:394-401. 2006
    ....
  17. ncbi Activation in primary and secondary motor areas in patients with CNS neoplasms and weakness
    T Krings
    Department of Neuroradiology, Clinic for Neurosurgery, University Hospital of the University of Technology Aachen, Pauwelsstrasse 30, 52057 Aachen, Germany
    Neurology 58:381-90. 2002
    ..To demonstrate whether cortical activation within different cortical motor regions in neurosurgical patients varies with the degree of paresis induced by mass lesions near the central region...
  18. ncbi Cortical activation patterns during complex motor tasks in piano players and control subjects. A functional magnetic resonance imaging study
    T Krings
    Department of Neuroradiology, University Hospital of the Technical University, Aachen, Germany
    Neurosci Lett 278:189-93. 2000
    ..For the same movements lesser neurons need to be recruited. The different volume of the activated ortical areas might therefore reflect the different effort necessary for motor performance in both groups...
  19. pmc Hereditary haemorrhagic telangiectasia in children. Endovascular treatment of neurovascular malformations. Results in 31 patients
    T Krings
    Department of Neuroradiology and Neurosurgery, University Hospital of the Technical University, Aachen Germany
    Interv Neuroradiol 11:13-23. 2005
    ..The endovascular approach employing glue as the embolizing agent represents therefore a safe and efficient way to control the neurovascular phenotypes of HHT...
  20. pmc Time Resolved 3D MRA. Applications for Interventional Neuroradiology
    C P Stracke
    Departments of Neuroradiology and Neurosurgery, University Hospital of the Technical University, Aachen, Germany
    Interv Neuroradiol 12:223-31. 2006
    ....
  21. pmc Growth and rupture mechanism of partially thrombosed aneurysms
    T Krings
    From the Service de Neuroradiologie Diagnostique et Thérapeutique, Hopital de Bicetre, Le Kremlin Bicetre, Paris, France
    Interv Neuroradiol 13:117-26. 2007
    ..This disease should be regarded as a clinical entity separate from saccular or non-thrombosed giant or large aneurysms...
  22. ncbi Double spinal dural arteriovenous fistulas: case report and review of the literature
    T Krings
    Department of Neuroradiology, University Hospital of the University of Technology, Aachen, Pauwelsstrasse 30, 52057 Aachen, Germany
    Neuroradiology 46:238-42. 2004
    ..However, repeat angiography should be performed in patients who continue to deteriorate, fail to improve with persisting MRI pathologies, or demonstrate delayed deterioration after a period of improvement...
  23. pmc Functional MRI for presurgical planning: problems, artefacts, and solution strategies
    T Krings
    Department of Neuroradiology, University Hospital of the Technical University, Pauwelsstrasse 30, 52057 Aachen, Germany
    J Neurol Neurosurg Psychiatry 70:749-60. 2001
    ..The aim of this study was to report on 3 years experience of 194 fMRI studies on the representation of motor function in 103 patients and to describe the problems and artefacts that were typically present...
  24. ncbi In vivo 3D visualization of normal pyramidal tracts in human subjects using diffusion weighted magnetic resonance imaging and a neuronavigation system
    T Krings
    Department of Neuroradiology, University Hospital of the University of Technology, Aachen, Pauwelsstrasse 30, 52057, Aachen, Germany
    Neurosci Lett 307:192-6. 2001
    ..Other potential applications include the demonstration of the anatomical substrate of functional connectivity in the human brain...
  25. ncbi Segmental neurovascular syndromes in children
    T Krings
    Service de Neuroradiologie Diagnostique et Therapeutique, Hopital Bicetre, 78 rue du General Leclerc, 94275 Le Kremlin Bicetre, Paris, France
    Neuroimaging Clin N Am 17:245-58. 2007
    ....
  26. ncbi Bleeding from a cavernous angioma mimicking rupture of a middle cerebral artery aneurysm
    T Krings
    Department of Neuroradiology, University Hospital of the University of Technology, Aachen, Germany
    Neuroradiology 43:985-9. 2001
    ....
  27. ncbi Long-term histological and scanning electron microscopy results of endovascular and operative treatments of experimentally induced aneurysms in the rabbit
    Timo Krings
    Department of Neuroradiology, University Hospital, University of Technology, Aachen, Germany
    Neurosurgery 59:911-23; discussion 923-4. 2006
    ....
  28. pmc Metabolic and electrophysiological validation of functional MRI
    T Krings
    Department of Neuroradiology, University Hospital of the Technical University, Pauwelsstrasse 30, 52057 Aachen, Germany
    J Neurol Neurosurg Psychiatry 71:762-71. 2001
    ....
  29. ncbi Functional and diffusion-weighted magnetic resonance images of space-occupying lesions affecting the motor system: imaging the motor cortex and pyramidal tracts
    T Krings
    Department of Neuroradiology, and the Interdisciplinary Center for Clinical Research Central Nervous System, University Hospital, University of Technology, Aachen, Gernany
    J Neurosurg 95:816-24. 2001
    ..The goal of this study was to assess the combined use of functional (f) and diffusion-weighted (DW) magnetic resonance (MR) imaging to assist in the preservation of the structure and function of the motor system...
  30. ncbi Spinal epidural arteriovenous fistula with perimedullary drainage. Case report and pathomechanical considerations
    Timo Krings
    Department of Neuroradiology, and the Clinic for Neurosurgery of the University Hospital, Rheinisch Westfalische Technische Hochschule, Aachen University, Aachen, Germany
    J Neurosurg Spine 5:353-8. 2006
    ....
  31. ncbi Dynamic 3-D contrast-enhanced angiography of cerebral tumours and vascular malformations
    Peter Reinacher
    Department of Neuroradiology, University Hospital, University of Technology Aachen, Germany
    Eur Radiol 17:F52-62. 2007
    ..We conclude that this MRA sequence may be an alternative to current MRA approaches and will prove an important adjunct for the diagnosis of a variety of neurovascular disorders...
  32. ncbi The neural correlate of very-long-term picture priming
    Ingo G Meister
    Department of Neurology, University Hospital Aachen, Pauwelsstrasse 30, D 52074 Aachen, Germany
    Eur J Neurosci 21:1101-6. 2005
    ..In the behavioural paradigm, the priming effect was stable over time. We conclude that the left inferior frontal and inferior posterior temporal cortex play a key role in the very-long-term priming effect...
  33. pmc Task-dependent modulations of prefrontal and hippocampal activity during intrinsic word production
    Carin Whitney
    Department of Psychiatry, RWTH Aachen University, Aachen, Germany
    J Cogn Neurosci 21:697-712. 2009
    ..Hippocampal activity during spontaneous word production is a novel finding and seems to be dependent on the retrieval process (free vs. constrained) rather than the variety of stimulus-response relationships that is involved...
  34. ncbi Intraoperative three-dimensional visualization of the pyramidal tract in a neuronavigation system (PTV) reliably predicts true position of principal motor pathways
    Volker Arnd Coenen
    Department of Neurosurgery, University Hospital of the Aachen University RWTH, Aachen, Germany
    Surg Neurol 60:381-90; discussion 390. 2003
    ....
  35. ncbi Prospective demonstration of short-term motor plasticity following acquired central pareses
    Marcus H T Reinges
    Department of Neurosurgery, University Hospital Aachen, Pauwelsstr 30, 52057 Aachen, Germany
    Neuroimage 24:1248-55. 2005
    ..The findings potentially also reflect increased functional demands imposed upon the motor network subsequent to a loss of dexterity...
  36. ncbi Sequential visualization of brain and fiber tract deformation during intracranial surgery with three-dimensional ultrasound: an approach to evaluate the effect of brain shift
    Volker A Coenen
    Department of Neurosurgery, University Hospital, Aachen University of Technology, Aachen, Germany
    Neurosurgery 56:133-41; discussion 133-41. 2005
    ..We present a technique that allows intraoperative display of brain shift and its effects on fiber tracts...
  37. ncbi Preoperative assessment of motor cortex and pyramidal tracts in central cavernoma employing functional and diffusion-weighted magnetic resonance imaging
    Walter Möller-Hartmann
    Department of Neuroradiology, University Hospital of the University of Technology, Aachen, Germany
    Surg Neurol 58:302-7; discussion 308. 2002
    ..We therefore propose to combine fMRI with diffusion-weighted MRI (DWI) that allows visualization of large fiber tracts and to implement this data in a neuronavigation system...
  38. ncbi Imaging in spinal vascular disease
    Timo Krings
    Department of Neuroradiology, University Hospital Aachen, Pauwelsstrasse 30, 52057 Aachen, Germany
    Neuroimaging Clin N Am 17:57-72. 2007
    ..Clinical differential diagnoses, the neurologic symptomatology, and the potential therapeutic approaches of these diseases, which might vary depending on the underlying pathologic condition, are given...
  39. ncbi Effects of long-term practice and task complexity in musicians and nonmusicians performing simple and complex motor tasks: implications for cortical motor organization
    Ingo Meister
    Department of Neurology, RWTH Aachen, Aachen, Germany
    Hum Brain Mapp 25:345-52. 2005
    ..The slowly evolving changes in M1 during motor skill learning may extend to adjacent areas, leading to more effective motor representations in pianists...
  40. doi Pathomechanisms of symptomatic developmental venous anomalies
    Vitor M Pereira
    Service de Neuroradiologie Diagnostique et Therapeutique, Hopital de Bicetre, Le Kremlin Bicetre, Paris, France
    Stroke 39:3201-15. 2008
    ..Therefore, we performed a retrospective study and a literature study to review how, when, and why DVAs can become clinically significant...
  41. ncbi Cerebral proliferative angiopathy: clinical and angiographic description of an entity different from cerebral AVMs
    Pierre L Lasjaunias
    Service de Neuroradiologie Diagnostique et Therapeutique, Hopital de Bicetre, 78, rue du General Leclerc, 94275 Le Kremlin Bicetre, France
    Stroke 39:878-85. 2008
    ....
  42. ncbi Cerebral processing of spontaneous reversals of the rotating Necker cube
    Felix Schoth
    Department of Neuroradiology, University Hospital of the Technical University, Aachen, Germany
    Neuroreport 18:1335-8. 2007
    ..We suggest that a further portion of the event-related potential signal reflects additional top-down processing, dependent on the position of the Necker cube...
  43. ncbi Imaging of postthalamic visual fiber tracts by anisotropic diffusion weighted MRI and diffusion tensor imaging: principles and applications
    Marcus H T Reinges
    Department of Neurosurgery and Neuroradiology, University Hospital of the Technical University Aachen, Pauwelsstrasse 30, 52057 Aachen, Germany
    Eur J Radiol 49:91-104. 2004
    ..A special focus is laid on the combination of fiber tract imaging, anatomical imaging and functional MRI for presurgical planning and intraoperative neuronavigation of lesions near the visual system...
  44. ncbi Intradural saccular aneurysms treated by Guglielmi detachable bare coils at a single institution between 1993 and 2005: clinical long-term follow-up for a total of 1810 patient-years in relation to morphological treatment results
    Staffan Holmin
    Service de Neuroradiologie Vasculaire diagnostique et thérapeutique, CHU de Bicetre, Le Kremlin Bicetre, France
    Stroke 39:2288-97. 2008
    ....
  45. ncbi Preoperative mapping of cortical motor function: prospective comparison of functional magnetic resonance imaging and [15O]-H2O-positron emission tomography in the same co-ordinate system
    Marcus H T Reinges
    Department of Neurosurgery, University Hospital Aachen, Germany
    Nucl Med Commun 25:987-97. 2004
    ..As yet, no study has compared these two modalities within the same frame of reference in tumour patients...
  46. ncbi Diffusion-tensor imaging in septo-optic dysplasia
    Felix Schoth
    Department of Neuroradiology, University Hospital of the Technical University Aachen, Pauwelsstr 30, 52057 Aachen, Germany
    Neuroradiology 46:759-63. 2004
    ..One might presume, that, in order for the optic radiation to fully develop, an afferent input to the lateral geniculate body is necessarry...
  47. ncbi Hippocampal dysfunction during free word association in male patients with schizophrenia
    Tilo Kircher
    Department of Psychiatry, RWTH Aachen University, Pauwelsstr 30, D 52074 Aachen, Germany
    Schizophr Res 101:242-55. 2008
    ..The hippocampus seems to play a major role in word generation. In schizophrenia, attenuated hippocampal activity during semantic tasks strengthens the hypothesis of impaired relational memory processes, affecting thought and language...
  48. ncbi Functional MRI and 18F FDG-positron emission tomography for presurgical planning: comparison with electrical cortical stimulation
    T Krings
    Department of Neurosurgery, and the Interdisciplinary Center for Clinical Research, Central Nervous System, University Hospital of the Technical University, Aachen, Germany
    Acta Neurochir (Wien) 144:889-99; discussion 899. 2002
    ..We employed both methods in the same patients undergoing presurgical evaluation and compared the results to those obtained by direct electrical cortical stimulation (DECS)...
  49. ncbi Neural correlates of phosphene perception
    Ingo G Meister
    Department of Neurology, University Hospital Aachen, D 52057 Aachen, Germany
    Suppl Clin Neurophysiol 56:305-11. 2003
  50. ncbi Motor representation in patients rapidly recovering after stroke: a functional magnetic resonance imaging and transcranial magnetic stimulation study
    Henrik Foltys
    Department of Neurology, University of Aachen, Pauwelsstrasse 30, 52075 Aachen, Germany
    Clin Neurophysiol 114:2404-15. 2003
    ..Here we were interested in the early brain activation pattern in patients who showed a good and rapid recovery after stroke...
  51. doi PWI-MRI and contrast extravasation in brain AVM help to estimate angiogenic activity
    Guillaume Saliou
    Service de Neuroradiologie, Hopital de Bicetre, 78 rue du General Leclerc, 94275, Kremlin Bicêtre cedex, France
    Neuroradiology 53:793-800. 2011
    ..The aim of this study is to investigate perfusion characteristics of brain arteriovenous malformation (AVM) by means of MRI perfusion-weighted imaging (PWI)...
  52. ncbi Symptomatic spontaneous vertebrobasilar dissections in children: review of 29 consecutive cases
    Dittapong Songsaeng
    Service de Neuroradiologie Diagnostique Thérapeutique, Hôpital de Bicêtre Université Paris sud Orsay, Le Kremlin Bicetre, France
    J Neurosurg Pediatr 6:233-43. 2010
    ..The purpose of this study is to analyze the clinical presentation, morphological characteristics, angio-architecture, and outcome of vertebrobasilar dissection (VBD) in the pediatric population...
  53. ncbi A report of two cases with dolichosegmental intracranial arteries as a new feature of PHACES syndrome
    Carlos E Baccin
    Service de Neuroradiologie Diagnostique et Therapeutique, Hopital de Bicetre, 78 rue du General Leclerc, 94275, Le Kremlin Bicetre, France
    Childs Nerv Syst 23:559-67. 2007
    ....
  54. ncbi Sinus pericranii: diagnostic and therapeutic considerations in 15 patients
    Carlo Gandolfo
    Service de Neuroradiologie Diagnostique et Therapeutique, Hopital de Bicetre, 78 rue du General Leclerc, 94275, Le Kremlin Bicetre, Paris, France
    Neuroradiology 49:505-14. 2007
    ..We describe our diagnostic and therapeutic experience with SP, with a special focus on the vascular analysis of digital subtraction angiography (DSA)...
  55. ncbi Contrast-enhanced time-resolved 3-D MRA: applications in neurosurgery and interventional neuroradiology
    Peter C Reinacher
    Department of Neurosurgery, University Hospital of the Technical University, Pauwelsstrasse 30, 52057 Aachen, Germany
    Neuroradiology 49:S3-13. 2007
    ..The purpose of this study was to evaluate the applicability and clinical use of a newly developed contrast-enhanced 3-D dynamic MRA protocol for neurointerventional and neurosurgical planning and decision making...
  56. ncbi Clinical applications of 2-D dynamic contrast-enhanced MR subtraction angiography in neurosurgery -- preliminary results
    F J Hans
    Department of Neurosurgery, University Hospital of the Technical University, Aachen, Germany
    Zentralbl Neurochir 66:170-9. 2005
    ..In this manuscript, we describe the technique of 2-D dynamic contrast-enhanced MR subtraction angiography and its possible applications in neurosurgery...
  57. ncbi Management of spontaneous haemorrhagic intracranial vertebrobasilar dissection: review of 21 consecutive cases
    W Y Zhao
    Neuroradiologie Vasculaire Diagnostique et Therapeutique, Hopital Bicetre, Le Kremlin Bicetre, France
    Acta Neurochir (Wien) 149:585-96; discussion 596. 2007
    ....
  58. ncbi Navigated transcranial magnetic stimulation for presurgical planning--correlation with functional MRI
    T Krings
    Department of Neuroradiology, University Hospital of the University of Technology, Aachen, Germany
    Minim Invasive Neurosurg 44:234-9. 2001
    ..This paper describes the potential of navigated transcranial magnetic stimulation to map the motor cortex in patients with mass lesions near the primary motor cortex by comparing the results of this technique to those of functional MRI...
  59. ncbi Endovascular treatment of experimentally induced aneurysms in rabbits using stents: a feasibility study
    F J Hans
    Department of Neurosurgery, University Hospital of the University of Technology, Pauwelsstrasse 30, 52057, Aachen, Germany
    Neuroradiology 45:430-4. 2003
    ..Our animal model can be suitable for testing the biocompatibility and occlusion rate of new methods and devices for the treatment of experimental aneurysms...
  60. ncbi Addition of intravenous N-methyl-D-aspartate receptor antagonists to local fibrinolytic therapy for the optimal treatment of experimental intracerebral hemorrhages
    Ruth Thiex
    Department of Neurosurgery, Aachen University, Aachen, Germany
    J Neurosurg 106:314-20. 2007
    ....
  61. doi Comparison of dual-source CT angiography and MR angiography in preoperative evaluation of intra- and extracranial vessels: a pilot study
    Georg Mühlenbruch
    Department of Diagnostic and Interventional Radiology, RWTH Aachen University, Pauwelsstr 30, 52057 Aachen, Germany
    Eur Radiol 20:469-76. 2010
    ..DSCT and MRA may both be regarded as a reliable, fast, pre-interventional imaging investigation in patients with carotid artery stenosis...
  62. doi Cerebrovascular trauma
    Timo Krings
    Service de Neuroradiologie Diagnostique et Therapeutique, Hopital de Bicetre, Le Kremlin Bicetre, Paris, France
    Eur Radiol 18:1531-45. 2008
    ..In this review we describe clinical and imaging findings, as well as diagnostic and treatment strategies in these lesions...
  63. ncbi Segmental unfused basilar artery with kissing aneurysms: report of three cases and literature review
    T Krings
    Service de Neuroradiologie Diagnostique et Therapeutique, Hospital de Bicetre, Le Kremlin Bicetre, Paris, France
    Acta Neurochir (Wien) 149:567-74; discussion 574. 2007
    ..We present three patients with this rare condition, all of them being treated by endovascular techniques...
  64. ncbi Three-dimensional visualization of the pyramidal tract in a neuronavigation system during brain tumor surgery: first experiences and technical note
    V A Coenen
    Department of Neurosurgery, University Hospital of the University of Technology RWTH, Aachen, Germany
    Neurosurgery 49:86-92; discussion 92-3. 2001
    ..To integrate spatial three-dimensional information concerning the pyramidal tracts into a customized system for frameless neuronavigation during brain tumor surgery...
  65. doi Magnetic microparticles for endovascular aneurysm treatment: in vitro and in vivo experimental results
    Johanna Oechtering
    Department of Neuroradiology, University Hospital Aachen, Aachen, Germany
    Neurosurgery 68:1388-97; discussion 1397-8. 2011
    ....
  66. ncbi [Fulminant meningoencephalitis associated with Mycoplasma pneumoniae infection in adults. Aggressive treatment enabled a good outcome]
    Roland Sparing
    Neurologische Klinik, Universitätsklinikum der RWTH Aachen, Aachen
    Nervenarzt 75:1016-21. 2004
    ..However, the patient recovered almost completely and presented with a mild neurological deficit after 3 months. Based on this case we give a review of the literature and discuss potential pathomechanisms and diagnostic approaches...
  67. ncbi Eyelid oedema and headache
    Roland Sparing
    Department of Neurology and Neuroradiology, University of Aachen, D 52074 Aachen, Germany
    Lancet 364:1438. 2004
  68. ncbi Value and limitations of contrast-enhanced MR angiography in spinal arteriovenous malformations and dural arteriovenous fistulas
    M Mull
    Department of Neuroradiology, University Hospital, RWTH Aachen University, Aachen, Germany
    AJNR Am J Neuroradiol 28:1249-58. 2007
    ..The purpose of this work was to study the validity of MR angiography (MRA) for identification of spinal arteriovenous (AV) abnormalities...
  69. ncbi Spinal vascular malformations--typical and atypical findings
    A Bostroem
    Department of Neurosurgery, University Hospital RWTH, Aachen, Germany
    Zentralbl Neurochir 68:205-13. 2007
    ..In spinal arteriovenous malformations of both the fistulous and the glomerular type, the endovascular approach is the method of first choice; in selected cases, surgery or a combined therapy may be necessary...
  70. ncbi Quantitative estimation of 3-D fiber course in gross histological sections of the human brain using polarized light
    H Axer
    Department of Anatomy I, Institut für Anatomie I, Universitätsklinikum der RWTH Aachen, Pauwelsstr 30, 52057 Aachen, Germany
    J Neurosci Methods 105:121-31. 2001
    ..The method can be used to produce maps of fiber orientation in gross histological sections of the human brain similar to the fiber orientation maps derived by diffusion weighted magnetic resonance imaging...
  71. doi Carotid plaque analysis: comparison of dual-source computed tomography (CT) findings and histopathological correlation
    M Das
    Department of Diagnostic Radiology, RWTH Aachen University, Aachen, NRW, Germany
    Eur J Vasc Endovasc Surg 38:14-9. 2009
    ..Thus, the purpose of our study was to evaluate the findings of preoperative dual-source computed tomography (DSCT) of carotid plaque morphology and correlate these findings with histopathological findings...
  72. ncbi Determination of cognitive hemispheric lateralization by "functional" transcranial Doppler cross-validated by functional MRI
    P Schmidt
    Department of Neuroradiology, Interdisciplinary Center for Clinical Research, University Hospital of the RWTH Aachen, Germany
    Stroke 30:939-45. 1999
    ..Functional MRI (fMRI) is an alternative method for mapping brain activity. The purpose of this study was to determine whether fTCD can detect hemispheric lateralization and to cross-validate fTCD with fMRI...
  73. ncbi Movement artefacts and MR BOLD signal increase during different paradigms for mapping the sensorimotor cortex
    M Hoeller
    Department of Neuroradiology, University Hospital of the University of Technology, Aachen, Germany
    Acta Neurochir (Wien) 144:279-84; discussion 284. 2002
    ..Different mapping paradigms were compared with regard to the frequency of motion artefacts and the resulting signal increase...
  74. ncbi Technical pitfalls in a porcine brain retraction model. The impact of brain spatula on the retracted brain tissue in a porcine model: a feasibility study and its technical pitfalls
    R Thiex
    Department of Neurosurgery, Aachen University, Pauwelsstrasse 30, 52057 Aachen, Germany
    Neuroradiology 47:765-73. 2005
    ..8 +/- 41.5 to 693.8 +/- 72.4 PU/cm2 (P < 0.24). A meticulous dissection of the interhemispheric fissure and a reduction of weights to 10 g were found to be mandatory to study the cortical impact caused by brain spatula reproducibly...
  75. ncbi Detection of intracranial aneurysms with multislice CT: comparison with conventional angiography
    S Dammert
    Department of Neuroradiology, University Hospital of the Technical University Aachen, Pauwelsstrasse 30, 52057, Aachen, Germany
    Neuroradiology 46:427-34. 2004
    ..However, as small aneurysms may not be found, DSA remains the standard technique for investigation of SAH...
  76. ncbi Fifteen-year follow-up of a patient with beta thalassaemia and extramedullary haematopoietic tissue compressing the spinal cord
    P Niggemann
    Department of Neuroradiology, RWTH Aachen University Hospital, Pauwelsstrasse 30, D 52057 Aachen, Germany
    Neuroradiology 47:263-6. 2005
    ..A relapse had to be treated again by surgical means combined with postinterventional radiation therapy. A complete relief of the symptoms and control of the lesion could be obtained...
  77. ncbi Are the configuration and neck morphology of experimental aneurysms predictable? A technical approach
    R Thiex
    Department of Neurosurgery, Aachen University, Pauwelsstr 30, 52057, Aachen, Germany
    Neuroradiology 46:571-6. 2004
    ..The balloon-sheath distance and the level of balloon occlusion proved to be parameters whose modifications result in predictable and reproducible aneurysm variants that can be used for the testing of endovascular devices...
  78. ncbi Clinical application of proton magnetic resonance spectroscopy in the diagnosis of intracranial mass lesions
    W Moller-Hartmann
    Department of Neuroradiology, University Hospital of Aachen, University of Technology, Pauwelsstrasse 30, Germany
    Neuroradiology 44:371-81. 2002
    ..The additive information of 1H-MRS led to a 15.4%-higher number of correct diagnoses, to 6.2% fewer incorrect and 16% fewer equivocal diagnoses than with structural MRI data alone...
  79. ncbi Aberrant origin of the superior thyroid artery and the tracheoesophageal branch from the common carotid artery: a source of failure in elastase-induced aneurysms in rabbits
    W Moller-Hartmann
    Department of Neuroradiology, University Hospital of the Technical University, Pauwelsstr 30, Aachen D 52057, Germany
    AJR Am J Roentgenol 181:739-41. 2003
  80. ncbi Interneuronal systems of the cervical spinal cord assessed with BOLD imaging at 1.5 T
    C P Stracke
    Department of Neuroradiology, University Hospital of the University of Technology, Pauwelsstrasse 30, 52057 Aachen, Germany
    Neuroradiology 47:127-33. 2005
    ..These activations may pertain to an interneuronal system at this spinal level. The results are discussed in relation to neurophysiological studies on cervical spinal interneuronal pathways in animals and humans...
  81. ncbi Diffusion tensor imaging in acquired blind humans
    F Schoth
    Department of Neuroradiology, University Hospital of the Technical University Aachen, Pauwelsstr 30, 52057 Aachen, Germany
    Neurosci Lett 398:178-82. 2006
    ..With the optic pathways remaining intact, transmitting electric signals of retinal implants to the visual regions of the human brain seems to be possible even after decades of acquired blindness...
  82. ncbi MRI and intraoperative findings in cavernous haemangiomas of the spinal cord
    M R Weinzierl
    Department of Neurosurgery, RWTH Aachen, Pauwelsstrasse 30, 52057, Germany
    Neuroradiology 46:65-71. 2004
    ..Intravenous contrast medium was not helpful in diagnosis or localisation. In no case was a surgically proven superficial lesion interpreted as deep in the spinal cord...
  83. ncbi Proton magnetic resonance spectroscopy of neurocytoma outside the ventricular region--case report and review of the literature
    W Moller-Hartmann
    Department of Neuroradiology, University Hospital, University of Technology, Aachen, Germany
    Neuroradiology 44:230-4. 2002
    ..This observation leads to the conclusion that even the highly differentiated cells of neurocytomas are too immature to produce NAA...
  84. ncbi Occurrence and therapy of space-occupying cystic lesions after brain tumor surgery
    M C Korinth
    Department of Neurosurgery, University Hospital RWTH Aachen, Germany
    Zentralbl Neurochir 62:87-92. 2001
    ..We present our experience with the development and operative treatment of such postoperative cystic lesions in order to identify possible risk factors and to optimize the treatment...
  85. ncbi Haemorrhagic tracheal necrosis as a lethal complication of an aneurysm model in rabbits via endoluminal incubation with elastase
    R Thiex
    Department of Neurosurgery, Aachen University, Pauwelsstrasse 30, 52057 Aachen, Germany
    Acta Neurochir (Wien) 146:285-9; discussion 289. 2004
    ..We describe a lethal complication of an aneurysm model in rabbits for saccular aneurysmal creation via endoluminal incubation with elastase...
  86. ncbi Delayed diagnosis of spinal dural arteriovenous fistula in the absence of pathological vessels on MRI
    R Thiex
    Department of Neurosurgery, RWTH Aachen University, Aachen, Germany
    Zentralbl Neurochir 67:94-8. 2006
    ....
  87. ncbi Endovascular treatment of experimental aneurysms in rabbits using Guglielmi detachable coils -- a feasibility study
    W Moller-Hartmann
    Department of Neuroradiology, University Hospital of the University of Technology, Aachen, Pauwelsstrasse 30, 52074 Aachen, Germany
    Neuroradiology 44:946-9. 2002
    ..No complications related to the procedures occurred. The study demonstrates that our animal model can be a suitable method for testing the biocompatibility and occlusion rate of new embolic materials...
  88. ncbi Categorical and thematic knowledge representation in the brain: neural correlates of taxonomic and thematic conceptual relations
    Olga Sachs
    Department of Psychiatry and Psychotherapy, RWTH Aachen University, Pauwelstr 30, D 52074 Aachen, Germany
    Neuropsychologia 46:409-18. 2008
    ....
  89. pmc Pathogenesis, diagnosis and management of pneumorrhachis
    Markus F Oertel
    Department of Neurosurgery, University Hospital, RWTH Aachen University, Pauwelsstrasse 30, 52074, Aachen, Germany
    Eur Spine J 15:636-43. 2006
    ..The latter, although often severe, might be concealed and has to be examined carefully to enable adequate patient treatment. The management of PR has to be individualized and frequently requires a multidisciplinary regime...
  90. doi Arterial vascularization of the cranial nerves
    Augustin Ozanne
    Bicetre Hospital, Department of Neuroradiology, National Center for Malformative Neurovascular Diseases, 78 rue du General Leclerc, 94275 Le Kremlin Bicetre, France
    Neuroimaging Clin N Am 18:431-9, xii. 2008
    ..Understanding the arterial supply to the cranial nerves and the potential anastomoses is paramount in the endovascular treatment of dural AV shunts and highly vascularized tumors of the skull base to avoid neurologic deficits...
  91. ncbi Effects of blood estrogen level on cortical activation patterns during cognitive activation as measured by functional MRI
    T Dietrich
    Clinic of Neurology, Department of Neuroradiology, University Hospital of the University of Technology Aachen, Pauwelsstrasse 30, 52057 Aachen, Germany
    Neuroimage 13:425-32. 2001
    ..This might be due to differences in neuronal or endothelian receptor concentration, differences in synaptic function, or, most likely, changes in the cerebrovascular anatomy in different cortical regions...
  92. pmc Focused high frequency repetitive transcranial magnetic stimulation for localisation of the unexposed primary motor cortex during brain tumour surgery
    V Rohde
    Department of Neurosurgery, Aachen University, Germany
    J Neurol Neurosurg Psychiatry 74:1283-7. 2003
    ..To investigate if intraoperative focused high frequency repetitive transcranial magnetic stimulation (rTMS) can localise the primary motor cortex without exposure of the cortical surface...
  93. ncbi Motor control in simple bimanual movements: a transcranial magnetic stimulation and reaction time study
    H Foltys
    Department of Neurology, University Hospital RWTH, Pauwelsstrasse 30, 52057, Aachen, Germany
    Clin Neurophysiol 112:265-74. 2001
    ....
  94. pmc Bare, bio-active and hydrogel-coated coils for endovascular treatment of experimentally induced aneurysms. Long-term histological and scanning electron microscopy results
    M H T Reinges
    University Hospital of the University of Technology, Aachen, Germany
    Interv Neuroradiol 16:139-50. 2010
    ..A smooth and dense surface over the aneurysm neck may be necessary for endothelial cells to bridge the aneurysm neck and to lead to vessel wall reconstruction...
  95. doi Off-midline Sinus Pericranii Associated with Ipsilateral Venous Anomaly: Case Report and Therapeutic Considerations
    M Weinzierl
    Neurosurgical Department, Aachen University, Aachen, Germany
    Zentralbl Neurochir 69:40-2. 2008
    ..A case of lateral sinus pericranii associated with ipsilateral venous anomaly is reported. No treatment was instituted in accordance with the parents' wishes. The role of MRI and cerebral angiography in the diagnostic workup is discussed...
  96. ncbi Vein of galen aneurysmal malformations
    H Alvarez
    Service de Neuroradiologie Diagnostique et Therapeutique, Hôpital Bicêtre 78, rue du General Leclerc, 94275 Le Kremlin Bicetre, Paris, France
    Neuroimaging Clin N Am 17:189-206. 2007
    ..Anatomic cure of the VGAM is not the main goal of treatment; the ultimate goal is control of the malformation to allow the brain to mature and develop normally...
  97. ncbi Diagnostic and therapeutic management of spinal arachnoid cysts
    T Krings
    Department of Neuroradiology, University Hospital of the University of Technology, Medical School, Aachen, Germany
    Acta Neurochir (Wien) 143:227-34; discussion 234-5. 2001
    ..The aim of surgical treatment is neural decompression and prevention of refilling of the cyst which is best accomplished by complete resection of the cyst and closure of the communication between cyst and subarachnoid space...
  98. ncbi MR diffusion tensor imaging and fiber tracking in spinal cord arteriovenous malformations: a preliminary study
    A Ozanne
    Service de Neuroradiologie Diagnostique et Therapeutique, Hopital de Bicetre, Le Kremlin Bicetre, Paris, France, and Department of Computer Science, University of North Carolina, Chapel Hill, USA
    AJNR Am J Neuroradiol 28:1271-9. 2007
    ....
  99. ncbi Lumbar nerve root avulsion following trauma: balanced fast field-echo MRI
    F J Hans
    Department of Neurosurgery, University Hospital of the Technical University Aachen, Pauwelsstrasse 30, 52057 Aachen, Germany
    Neuroradiology 46:144-7. 2004
    ..MRI demonstrated lumbosacral traumatic pseudomeningoceles. We used balanced fast field echo and MR myelography to make the diagnosis and show the extent of the pseudomeningocele...
  100. ncbi Functional and diffusion-weighted magnetic resonance imaging for visualization of the postthalamic visual fiber tracts and the visual cortex
    M H T Reinges
    Department of Neurosurgery, University Hospital, University of Technology, Aachen, Germany
    Minim Invasive Neurosurg 47:160-4. 2004
    ....
  101. ncbi Is the head position during preoperative image data acquisition essential for the accuracy of navigated brain tumor surgery?
    M H Reinges
    Department of Neurosurgery, University of Technology RWTH, Aachen, Germany
    Comput Aided Surg 5:426-32. 2000
    ..To analyze the influence of head positioning during preoperative image data acquisition on intraoperative accuracy of modern neuronavigation systems...