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  • Contiguous vertebrae  (1)
  • Discomanométrie  (1)
  • Disque intervertébral. Rachis lombaire  (1)
  • Indications Review  (1)
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  • 1
    ISSN: 1432-2161
    Keywords: Key words Benign bone tumour ; Chondromyxoid fibroma ; Spine ; Contiguous vertebrae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  We report on a case of chondromyxoid fibroma involving two adjacent thoracic vertebrae with features of aggressive behaviour on radiographs, CT and MRI. Histology revealed typical chondromyxoid fibroma with unusually coarse calcifications. Chondromyxoid fibroma of the spine is rare, and only 30 of these tumours have been reported so far. Involvement of two contiguous vertebral bodies by chondromyxoid fibroma, as reported here, appears exceptional.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European spine journal 6 (1997), S. 2-18 
    ISSN: 1432-0932
    Keywords: Pedicle screw fixation ; Fusion rate ; Outcome ; Indications Review
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Continuing controversy over the use of pedicular fixation in the United States is promoted by the lack of governmental approval for the marketing of these devices due to safety and efficacy concerns. These implants have meanwhile become an invaluable part of spinal instrumentation in Europe. With regard to the North American view, there is a lack of comprehensive reviews that consider the historical evolution of pedicle screw systems, the rationales for their application, and the clinical outcome from a European perspective. This literature review suggests that pedicular fixation is a relatively safe procedure and is not associated with a significantly higher complication risk than non-pedicular instrumentation. Pedicle screw fixation provides short, rigid segmental stabilization that allows preservation of motion segments and stabilization of the spine in the absence of intact posterior elements, which is not possible with non-pedicular instrumentation. Fusion rates and clinical outcome in the treatment of thoracolumbar fractures appear to be superior to that achieved using other forms of treatment. For the correction of spinal deformity (i.e., scoliosis, kyphosis, spondylolisthesis, tumor), pedicular fixation provides the theoretical benefit of rigid segmental fixation and of facilitated deformity correction by a posterior approach, but the clinical relevance so far remains unknown. In low-back pain disorders, a literature analysis of 5,600 cases of lumbar fusion with different techniques reveals a trend that pedicle screw fixation enhances the fusion rate but not clinical outcome. The most striking finding in the literature is the large range in the radiological and clinical results. For every single fusion technique poor and excellent results have been described. This review argues that European spine surgeons should begin to back up the evident benefits of pedicle screw systems for specific spinal disorders by controlled prospective clinical trials. This may prevent forthcoming medical licensing authorities from restricting the use of pedicle screw devices and dictating the practice of spinal surgery in Europe in the near future.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0932
    Keywords: Discographie ; Discomanométrie ; Disque intervertébral. Rachis lombaire ; Key words ; Discography ; Discomanometry ; Intervertebral disc ; Lumbar spine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary A new discomanometry system was developed and evaluated for application in the lumbar spine. The diagnostic reliability of discography, manometry and discomanometry (a combination of both methods) was assessed in 20 lumbar cadaver spines (95 intervertebral discs) with regard to the diagnosis of non-contained intervertebral discs. The sensitivity was 92% for manometry and 78% for discography. This indicates that 22% of the non-contained discs could not be correctly identified with common discography. The specificity was 98% for manometry and 100% for discography, indicating that contained discs could be easily identified with both methods. A combination of manometry and discography provides a high sensitivity (98%) as well as high specificity (98%). It is concluded that discomanometry is a simple, cost-effective and reliable diagnostic procedure which can precede percutaneous nucleotomy without additional risks or relevant efforts. It allows the differentiation between contained and non-contained intervertrebral discs with a high degree of diagnostic reliability in an experimental setting, which justifies its further application in patients.
    Notes: Résumé Un nouveau système de discomanométrie a été développé et évalué afin d'être appliqué au rachis lombaire. La fiabilité diagnostique de la discographie, de la manométrie et de la discomanométrie (combinaison des deux méthodes) en matière de hernie discale, a été évaluée sur 20 rachis lombaires de cadavres (95 disques intervertébraux). La sensibilité était de 92% pour la manométrie et 78% pour la discographie. Cela indique que 22% des disques présentant une hernie ne pouvaient pas être identifiés par la discographie de routine. La spécificité était de 98% pour la manométrie et 100% pour la discographie, indiquant que les disques intacts pouvaient être aisément identifiés par les deux méthodes. Une combinaison de la manométrie et de la discographie assure une grande sensibilité (98%) ainsi qu'une haute spécificité (98%). En conclusion, la discomanométrie est un procédé diagnostique simple, économique et fiable que l'on peut pratiquer avant la nucléotomie percutanée sans risques ni efforts supplémentaires importants. Elle permet de distinguer les disques intervertébraux intacts des disques rompus avec une grande fiabilité diagnostique expérimentale, ce qui justifie son utilisation chez les patients.
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