N Massager

Summary

Country: Belgium

Publications

  1. ncbi Gamma knife radiosurgery for brainstem arteriovenous malformations: preliminary results
    N Massager
    Gamma Knife Center, H pital Erasme, Brussels, Belgium
    J Neurosurg 93:102-3. 2000
  2. ncbi Experimental analysis of radiation dose distribution in radiosurgery: I. Dose hot spot inside target volume
    Nicolas Massager
    Gamma Knife Center, Department of Neurosurgery, University Hospital Erasme, Brussels, Belgium
    Stereotact Funct Neurosurg 87:82-7. 2009
  3. ncbi [Surgical treatment of movement disorders]
    N Massager
    Clinique de Neurochirurgie Stéréotaxique et Fonctionnelle, Service de Neurochirurgie, Hopital Erasme, Bruxelles
    Rev Med Brux 29:248-51. 2008
  4. ncbi Influence of nerve radiation dose in the incidence of trigeminal dysfunction after trigeminal neuralgia radiosurgery
    Nicolas Massager
    Gamma Knife Center, Universite Libre de Bruxelles, Brussels, Belgium
    Neurosurgery 60:681-7; discussion 687-8. 2007
  5. ncbi Irradiation of cochlear structures during vestibular schwannoma radiosurgery and associated hearing outcome
    Nicolas Massager
    Gamma Knife Center, University Hospital Erasme, Brussels, Belgium
    J Neurosurg 107:733-9. 2007
  6. ncbi Role of intracanalicular volumetric and dosimetric parameters on hearing preservation after vestibular schwannoma radiosurgery
    Nicolas Massager
    Gamma Knife Center, Erasme Hospital, Université Libre de Brixelles, Brussels, Belgium
    Int J Radiat Oncol Biol Phys 64:1331-40. 2006
  7. ncbi Clinical evaluation of targeting accuracy of gamma knife radiosurgery in trigeminal neuralgia
    Nicolas Massager
    Gamma Knife Center and Department of Neurosurgery, University Hospital Erasme, Universite Libre de Bruxelles, Brussels, Belgium
    Int J Radiat Oncol Biol Phys 69:1514-20. 2007
  8. ncbi Effect of beam channel plugging on the outcome of gamma knife radiosurgery for trigeminal neuralgia
    Nicolas Massager
    Gamma Knife Center, Universite Libre de Bruxelles, Brussels, Belgium
    Int J Radiat Oncol Biol Phys 65:1200-5. 2006
  9. ncbi Radiosurgery for trigeminal neuralgia
    Nicolas Massager
    Gamma Knife Center, Erasme Hospital and Jules Bordet Institute, Brussels, Belgium
    Prog Neurol Surg 20:235-43. 2007
  10. ncbi Experimental analysis of radiation dose distribution in radiosurgery. II. Dose fall-off outside the target volume
    Nicolas Massager
    Gamma Knife Center, Erasme University Hospital, Brussels, Belgium
    Stereotact Funct Neurosurg 87:137-42. 2009

Detail Information

Publications51

  1. ncbi Gamma knife radiosurgery for brainstem arteriovenous malformations: preliminary results
    N Massager
    Gamma Knife Center, H pital Erasme, Brussels, Belgium
    J Neurosurg 93:102-3. 2000
    ..This study was undertaken to assess the efficacy and safety of gamma knife radiosurgery (GKS) for the treatment of arteriovenous malformations (AVMs) located within the brainstem...
  2. ncbi Experimental analysis of radiation dose distribution in radiosurgery: I. Dose hot spot inside target volume
    Nicolas Massager
    Gamma Knife Center, Department of Neurosurgery, University Hospital Erasme, Brussels, Belgium
    Stereotact Funct Neurosurg 87:82-7. 2009
    ..Here, we aimed to study histological consequences of different dose distributions inside the target area in an experimental model of Gamma Knife irradiation in the rat striatum...
  3. ncbi [Surgical treatment of movement disorders]
    N Massager
    Clinique de Neurochirurgie Stéréotaxique et Fonctionnelle, Service de Neurochirurgie, Hopital Erasme, Bruxelles
    Rev Med Brux 29:248-51. 2008
    ..The major indications of these surgical techniques are Parkinson's disease, essential tremor, dystonia, Huntington's disease and tremor in multiple sclerosis...
  4. ncbi Influence of nerve radiation dose in the incidence of trigeminal dysfunction after trigeminal neuralgia radiosurgery
    Nicolas Massager
    Gamma Knife Center, Universite Libre de Bruxelles, Brussels, Belgium
    Neurosurgery 60:681-7; discussion 687-8. 2007
    ....
  5. ncbi Irradiation of cochlear structures during vestibular schwannoma radiosurgery and associated hearing outcome
    Nicolas Massager
    Gamma Knife Center, University Hospital Erasme, Brussels, Belgium
    J Neurosurg 107:733-9. 2007
    ....
  6. ncbi Role of intracanalicular volumetric and dosimetric parameters on hearing preservation after vestibular schwannoma radiosurgery
    Nicolas Massager
    Gamma Knife Center, Erasme Hospital, Université Libre de Brixelles, Brussels, Belgium
    Int J Radiat Oncol Biol Phys 64:1331-40. 2006
    ..To analyze the relationship between hearing preservation after gamma knife radiosurgery (GKR) for vestibular schwannoma (VS) and some volumetric and dosimetric parameters of the intracanalicular components of VS...
  7. ncbi Clinical evaluation of targeting accuracy of gamma knife radiosurgery in trigeminal neuralgia
    Nicolas Massager
    Gamma Knife Center and Department of Neurosurgery, University Hospital Erasme, Universite Libre de Bruxelles, Brussels, Belgium
    Int J Radiat Oncol Biol Phys 69:1514-20. 2007
    ..We also studied the applied radiation dose within the area of focal contrast enhancement on the trigeminal nerve root following radiosurgery...
  8. ncbi Effect of beam channel plugging on the outcome of gamma knife radiosurgery for trigeminal neuralgia
    Nicolas Massager
    Gamma Knife Center, Universite Libre de Bruxelles, Brussels, Belgium
    Int J Radiat Oncol Biol Phys 65:1200-5. 2006
    ....
  9. ncbi Radiosurgery for trigeminal neuralgia
    Nicolas Massager
    Gamma Knife Center, Erasme Hospital and Jules Bordet Institute, Brussels, Belgium
    Prog Neurol Surg 20:235-43. 2007
    ..e. the dose and the target. We found that the irradiation dose delivered to the brainstem, the distance between the target and the brainstem, and the occurrence of facial numbness after radiosurgery are related to a better pain outcome...
  10. ncbi Experimental analysis of radiation dose distribution in radiosurgery. II. Dose fall-off outside the target volume
    Nicolas Massager
    Gamma Knife Center, Erasme University Hospital, Brussels, Belgium
    Stereotact Funct Neurosurg 87:137-42. 2009
    ..We study histopathological effects of dose fall-offs outside the target using an experimental model of trigeminal nerve irradiation in the rat...
  11. ncbi Gamma knife surgery for idiopathic trigeminal neuralgia performed using a far-anterior cisternal target and a high dose of radiation
    Nicolas Massager
    Gamma Knife Center, Department of Neurosurgery, Erasme Hospital, Brussels, Belgium
    J Neurosurg 100:597-605. 2004
    ..The authors analyzed the results of GKS in which a high dose of radiation and a distal target was used, to determine the best parameters for this treatment...
  12. ncbi Dosimetric and clinical analysis of spatial distribution of the radiation dose in gamma knife radiosurgery for vestibular schwannoma
    Nicolas Massager
    Gamma Knife Center, Hospital Erasme, Brussels, Belgium
    Int J Radiat Oncol Biol Phys 81:e511-8. 2011
    ..We analyzed the relationship between some parameters of dose distribution and the clinical and radiological outcome of patients...
  13. ncbi Information on heavy equipments and facilities in Belgium: gamma-knife
    P David
    Clinique de Neuroradiologie, Hopital Erasme, Universite Libre de Bruxelles, Brussels, Belgium
    JBR-BTR 90:252-7. 2007
    ..To explain the principles and indications of gamma knife radiosurgery and to illustrate the correlated neuroimaging features...
  14. ncbi Integration of the metabolic data of positron emission tomography in the dosimetry planning of radiosurgery with the gamma knife: early experience with brain tumors. Technical note
    M Levivier
    Gamma Knife Center of the Université Libre de Bruxelles, Brussels, Belgium
    J Neurosurg 93:233-8. 2000
    ....
  15. ncbi The Zeiss-MKM system for frameless image-guided approach in epidural motor cortex stimulation for central neuropathic pain
    B Pirotte
    Department of Neurosurgery, Erasme Hospital, University of Brussels, Belgium
    Neurosurg Focus 11:E3. 2001
    ....
  16. ncbi Hearing outcome after gamma knife radiosurgery for vestibular schwannoma: a prospective Belgian clinical study
    C Delbrouck
    ENT Department, Erasmus University Hospital, Brussels, Belgium
    B-ENT 7:77-84. 2011
    ..The purpose of this study is to report our experience with LGK radiosurgery in the management of VS and to evaluate the hearing preservation rate after a minimum one-year follow-up...
  17. ncbi 11C-methionine PET for the diagnosis and management of recurrent pituitary adenomas
    B N T Tang
    PET Biomedical Cyclotron Unit and Department of Nuclear Medicine, Universite Libre de Bruxelles, Erasme Hospital, Brussels, Belgium
    Eur J Nucl Med Mol Imaging 33:169-78. 2006
    ..We aimed to evaluate the contribution of PET with 11C-methionine (MET-PET) in the detection and management of recurrent pituitary adenoma...
  18. ncbi Stereotactic comparison among cerebral blood volume, methionine uptake, and histopathology in brain glioma
    N Sadeghi
    Department of Radiology, Hopital Erasme, Brussels, Belgium
    AJNR Am J Neuroradiol 28:455-61. 2007
    ..We used image coregistration and stereotactic biopsies to regionally compare cerebral blood volume (CBV) and (11)C-methionine (MET) uptake measurements in brain gliomas and to assess their relationship by histopathologic examination...
  19. ncbi Preservation of hearing in vestibular schwannomas treated by radiosurgery using Leksell Gamma Knife: preliminary report of a prospective Belgian clinical study
    C Delbrouck
    ENT Department, Hopital Academique Erasme, Brussels, Belgium
    Acta Otorhinolaryngol Belg 57:197-204. 2003
    ..The aim of this study is to report our experience with Leksell Gamma Knife (LGK) radiosurgery in the management of VS and to evaluate the serviceable hearing preservation rate after one-year follow-up...
  20. ncbi [In vivo evaluation of tumor response to radiosurgery: application to vestibular schwannomas]
    M Levivier
    Centre Gamma Knife, Hopital Erasme, Universite Libre de Bruxelles, Bruxelles, Belgique
    Neurochirurgie 50:320-6. 2004
    ....
  21. ncbi [The neurosurgery department]
    J Brotchi
    Rev Med Brux 23:123-6. 2002
    ....
  22. ncbi Tumors involving the base of the skull: diagnostic and therapeutic approaches
    Olivier De Witte
    Department of Neurosurgery, Gamma Knife Unit, Hopital Erasme, ULB, Brussels, Belgium
    Curr Opin Oncol 21:238-41. 2009
    ..SUMMARY: The knowledge of the new technology and also the result of stereotactic radiosurgery must help the physician in the choice of the treatment of skull base lesions...
  23. ncbi Combination of functional magnetic resonance imaging-guided neuronavigation and intraoperative cortical brain mapping improves targeting of motor cortex stimulation in neuropathic pain
    Benoit Pirotte
    Department of Neurosurgery, Erasme Hospital, Universite Libre de Bruxelles, Brussels, Belgium
    Neurosurgery 56:344-59; discussion 344-59. 2005
    ....
  24. ncbi Results of positron emission tomography guidance and reassessment of the utility of and indications for stereotactic biopsy in children with infiltrative brainstem tumors
    Benoit J M Pirotte
    Department of Neurosurgery, Erasme Hospital, Universite Libre de Bruxelles, Brussels, Belgium
    J Neurosurg 107:392-9. 2007
    ..Their aim was to assess the benefit of the technique in terms of target selection and diagnostic yield...
  25. ncbi Internal carotid occlusion following gamma knife radiosurgery for cavernous sinus meningioma
    Laurence Abeloos
    Departement of Neurosurgery, Hopital Erasme, Universite Libre de Bruxelles, Brussels, Belgium
    Stereotact Funct Neurosurg 85:303-6. 2007
    ..Therefore, we recommend shifting the hot spot during the dosimetry planning in order to reduce the incidence of such vascular injury...
  26. ncbi Clinical impact of integrating positron emission tomography during surgery in 85 children with brain tumors
    Benoit J M Pirotte
    Department of Neurosurgery, Hopital Erasme, Universite Libre de Bruxelles, 808, Route de Lennik, B 1070 Brussels, Belgium
    J Neurosurg Pediatr 5:486-99. 2010
    ..In this paper, the authors' goal was to evaluate the impact of PET information on brain tumor surgery in children...
  27. ncbi Positron emission tomography-guided volumetric resection of supratentorial high-grade gliomas: a survival analysis in 66 consecutive patients
    Benoit J M Pirotte
    Department of Neurosurgery, Erasme Hospital, Universite Libre de Bruxelles, Brussels, Belgium
    Neurosurgery 64:471-81; discussion 481. 2009
    ..The present study aims to evaluate whether PET-guided volumetric resection (VR) in supratentorial HGG might add benefit to the patient's outcome...
  28. ncbi Clinical interest of integrating positron emission tomography imaging in the workup of 55 children with incidentally diagnosed brain lesions
    Benoit J M Pirotte
    Department of Neurosurgery, Hopital Erasme, Universite Libre de Bruxelles, 808, Route de Lennik, B 1070 Brussels, Belgium
    J Neurosurg Pediatr 5:479-85. 2010
    ..In this paper, the authors' goal was to evaluate the impact of PET data on the clinical management of incidental brain lesions in children...
  29. ncbi Ectopic choroid plexus associated with trigeminal neuralgia: case report
    Laurence Abeloos
    Departement of Neurosurgery, Hopital Erasme, Universite Libre de Bruxelles, 1070 Brussels, Belgium
    Acta Neurochir (Wien) 152:717-9. 2010
    ..A 55-year-old man underwent a microvascular decompression procedure for a pharmacoresistant trigeminal neuralgia. Preoperative MRI showed a neurovascular conflict between the Vth nerve root and the superior cerebellar artery...
  30. ncbi Brain stem metastases treated with radiosurgery: prognostic factors of survival and life expectancy estimation
    José G Lorenzoni
    Department of Neurosurgery, Hopital Erasme, Gamma Knife Center, Universite Libre de Bruxelles, 1000 Brussels, Belgium
    Surg Neurol 71:188-95; discussion 195, 195-6. 2009
    ..The objective of this study is to study prognostic factors of survival and 3 stratification systems for life expectancy estimation in patients with brain stem metastases treated with radiosurgery...
  31. ncbi The integration of metabolic imaging in stereotactic procedures including radiosurgery: a review
    Marc Levivier
    Centre Gamma Knife, Université Libre de Bruxelle, Départmente de Neurochirurgie, PET Cyclotron Biomedical, Hopital Erasme, Bruxelle, Belgique
    J Neurosurg 97:542-50. 2002
    ..The authors review their experience with the clinical development and routine use of positron emission tomography (PET) during stereotactic procedures, including the use of PET-guided gamma knife radiosurgery (GKS)...
  32. ncbi Lateral positioning technique for the treatment of far-lateral targets with the Leksell gamma knife: technical note
    Nicolas Massager
    Department of Neurosurgery and Gamma Knife Unit, Erasme Hospital, Brussels, Belgium
    Neurosurgery 51:1512-7; discussion 1518-9. 2002
    ..To describe a procedure for Leksell gamma knife (LGK) radiosurgery in a lateral position, for treatment of far-lateral intracranial lesions...
  33. ncbi Comparison of 18F-FDG and 11C-methionine for PET-guided stereotactic brain biopsy of gliomas
    Benoit Pirotte
    Department of Neurosurgery, Erasme Hospital, Universite Libre de Bruxelles, Brussels, Belgium
    J Nucl Med 45:1293-8. 2004
    ..We compared the contributions of the labeled tracers (11)C-methionine (Met) and (18)F-FDG for PET-guided stereotactic biopsy of brain gliomas...
  34. ncbi Use of the Leksell gamma knife C with automatic positioning system for the treatment of meningioma and vestibular schwannoma
    Marc Levivier
    Centre Gamma Knife of the Universite Libre de Bruxelles, Brussels, Belgium
    Neurosurg Focus 14:e8. 2003
    ..The authors report their experience using the Leksell gamma knife C (GK-C) for the treatment of meningioma and vestibular schwannoma (VS)...
  35. ncbi Synovial cysts of the lumbar spine: surgery-related results and outcome
    Benoit Pirotte
    Department of Neurosurgery, Hopital Erasme, Universite Libre de Bruxelles, Brussels, Belgium
    J Neurosurg 99:14-9. 2003
    ..The authors conducted a study to determine the surgery-related results and outcomes in patients with synovial cysts of the lumbar spine. They emphasize several specific characteristics useful in clinical management...
  36. ncbi Combined use of 18F-fluorodeoxyglucose and 11C-methionine in 45 positron emission tomography-guided stereotactic brain biopsies
    Benoit Pirotte
    Department of Neurosurgery, PET Biomedical Cyclotron Unit, Erasme Hospital, Universite Libre de Bruxelles, Brussels, Belgium
    J Neurosurg 101:476-83. 2004
    ..The aim of this study was to compare the contribution of the tracers 11C-methionine (Met) and 18F-fluorodeoxy-glucose (FDG) in positron emission tomography (PET)-guided stereotactic brain biopsy...
  37. ncbi Voxel-based assessment of spinal tap test-induced regional cerebral blood flow changes in normal pressure hydrocephalus
    Nicolas E Dumarey
    Department of Nuclear Medicine and PET Biomedical Cyclotron Unit, Hopital Erasme, Universite Libre de Bruxelles, 808 Route de Lennik, B 1070 Brussels, Belgium
    Nucl Med Commun 26:757-63. 2005
    ..The objective of this study was to evaluate, by SPM, spinal tap test-induced rCBF changes in patients with NPH syndrome...
  38. ncbi Comparison of functional MR imaging guidance to electrical cortical mapping for targeting selective motor cortex areas in neuropathic pain: a study based on intraoperative stereotactic navigation
    Benoit Pirotte
    Department of Neurosurgery, Erasme Hospital, University of Brussels, Brussels, Belgium
    AJNR Am J Neuroradiol 26:2256-66. 2005
    ..These data illustrate the functional accuracy of fMRI guidance for the operative targeting of selective motor cortex areas in neuropathic pain...
  39. ncbi Integrated positron emission tomography and magnetic resonance imaging-guided resection of brain tumors: a report of 103 consecutive procedures
    Benoit Pirotte
    Department of Neurosurgery, PET Cyclotron Biomédical Unit, Hopital Erasme, Universite Libre de Bruxelles, Brussels, Belgium
    J Neurosurg 104:238-53. 2006
    ..The aim of this study was to evaluate the integration of positron emission tomography (PET) scanning data into the image-guided resection of brain tumors...
  40. ncbi Use of stereotactic PET images in dosimetry planning of radiosurgery for brain tumors: clinical experience and proposed classification
    Marc Levivier
    Department of Neurosurgery and Centre Gamma Knife, Hôpital Erasme and Université Libre de Bruxelles, Brussels, Belgium
    J Nucl Med 45:1146-54. 2004
    ..e., PET) and anatomic (i.e., MRI and CT) images for the radiosurgical treatment of brain tumors. We propose a classification describing the relative role of the information provided by PET in this multimodality image-guided approach...
  41. ncbi Integration of functional imaging in radiosurgery: the example of PET scan
    Marc Levivier
    Gamma Knife Center, Universite Libre de Bruxelles, Brussels, Belgium
    Prog Neurol Surg 20:68-81. 2007
    ..The use of a standardized classification allows to assess the relative role of PET. A similar approach could be useful and may serve as a template for the evaluation of the integration of other new imaging modalities in radiosurgery...
  42. ncbi [Non-functioning pituitary adenoma: is there an interest to treat a residue after surgery?]
    O De Witte
    Service de Neurochirurgie, Hopital Erasme, Bruxelles
    Rev Med Brux 32:509-12. 2011
    ..A complete surgery must be the aim of the neurosurgeon. And when a residue is present, a secondary treatment must be given for patient with an age below 60 years old like radiosurgery or radiation therapy...
  43. ncbi Trigeminal neuralgia. Pathophysiology and treatment
    A Joffroy
    Dept. of Neurosurgery, Erasmus Hospital, University of Brussels (ULB, Brussels, Belgium
    Acta Neurol Belg 101:20-5. 2001
    ..Therapeutic options are reviewed: very efficient drugs are available but fail to provide a significant relief and/or have important side effects in many cases. Surgical alternatives are available, for which guidelines are proposed...
  44. ncbi Modern multimodal neuroimaging for radiosurgery: the example of PET scan integration
    M Levivier
    Neurosurgery and Gamma Knife Center, ULB Hopital Erasme, Brussels, Belgium
    Acta Neurochir Suppl 91:1-7. 2004
    ..The use of a standardized classification allows to assess the relative role of PET. A similar approach could be useful and may serve as a template for the evaluation of the integration of other new imaging modalities in radiosurgery...
  45. ncbi Three-dimensional Gaussian model to define brain metastasis limits on 11C-methionine PET
    Bich Ngoc Thanh Tang
    Department of Nuclear Medicine and PET Biomedical Cyclotron Unit, Brussels, Belgium
    Radiother Oncol 89:270-7. 2008
    ..We choose MET-PET and MRI data obtained in brain metastases to adjust the model. Indeed, MRI limits of these non-infiltrative hypermetabolic brain lesions are efficiently used for their curative treatment...
  46. ncbi Neurovascular compression anatomy and pain outcome in patients with classic trigeminal neuralgia treated by radiosurgery
    José G Lorenzoni
    Department of Neurosurgery, School of Medicine, Pontifica Universidad Catolica de Chile, Santiago, Chile
    Neurosurgery 62:368-75; discussion 375-6. 2008
    ..To study the influence of the anatomy of neurovascular compression (NVC) on pain outcome in patients with classic trigeminal neuralgia treated by radiosurgery...
  47. ncbi Pathological findings following trigeminal neuralgia radiosurgery
    Gyorgy T Szeifert
    National Institute of Neurosurgery and Department of Neurological Surgery, Semmelweis University, Budapest, Hungary
    Prog Neurol Surg 20:244-8. 2007
    ..Autopsy revealed a neurovascular conflict close to the second radiosurgery shot. Histopathology demonstrated acute and chronic stage radiation-induced lesions in the trigeminal nerve...