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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 20 (1998), S. 171-176 
    ISSN: 1279-8517
    Keywords: Ligamentum flavum ; Anatomy ; Histology ; Innervation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Le lig. jaune (ligamentum flavum), dont peu d'études sont rapportées dans la littérature, a plusieurs particularités mises en évidence dans ce travail. Sur le plan macroscopique, il a une disposition métamérique, il est composé de deux feuillets dont les fibres sont de direction opposée, il entretient des rapports étroits avec certains tendons d'insertion des mm. érecteurs du rachis. Sur le plan microscopique, sa structure est particulière pour un ligament, car y prédominent les fibres élastiques; une innervation lui est propre à chaque niveau vertébral, cette innervation s'appauvrit au fur et à mesure qu'augmente la dégénérescence ligamentaire. Le lig. jaune constitue un système ligamentaire actif, avec un rôle biomécanique essentiel. Le léser n'est sans doute pas sans conséquence, et cela pose des questions techniques concernant les abords chirurgicaux interlamaires.
    Notes: Summary The ligamentum flavum, of which there are only a few studies in the literature, has several features discussed in this work. On the macroscopic level, it has a metameric arrangement: it has two layers, superficial and deep, whose fibers are opposite, and it has close relations with the tendons of attachment of some spinal erector muscles. On the microscopic level, its structure is unique for a ligament, because of a predominance of elastic fibers, because of its intrinsic innervation at each level of the spine, and because this innervation grows poorer with increasing degeneration. The ligamentum flavum constitutes an active ligament, with an essential biomechanical role. Its injury is probably not without consequences, and therefore there are many technical problems about the surgical interlaminar approach.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 20 (1998), S. 171-176 
    ISSN: 1279-8517
    Keywords: Ligamentum flavum ; Anatomy ; Histology ; Innervation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The ligamentum flavum, of which there are only a few studies in the literature, has several features discussed in this work. On the macroscopic level, it has a metameric arrangement it has two layers, superficial and deep, whose fibers are oppposite, and it has close relations with the tendons of attachment of some spinal erector muscles. On the microscopic level, its structure is unique for a ligament, because of a predominance of elastic fibers, because of its intrinsic innervation at each level of the spine, and because this innervation grows poorer with increasing degeneration. The ligamentum flavum constitutes an active ligament, with an essential biomechanical role. Its injury is probably not without consequences, and therefore there are many technical problems about the surgical interlaminar approach.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 3
    ISSN: 1279-8517
    Keywords: Cryosection ; MRI ; Cerebellopontine angle ; Microsurgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé L'angle ponto-cérébelleux est une région anatomique profondément située à la face antérolatérale du tronc cérébral et dont l'accès est rendu délicat par la présence de pédicules vasculonerveux. L'importance fonctionnelle de ces n. crâniens (trijumeau, facial, vestibulo-cochléaire, glossopharyngien, vague et accessoire) justifie dans certains cas, l'utilisation de voies chirurgicales particulières. En effet, les processus tumoraux, situés entre le paquet acoustico-facial en arrière, et le n. trijumeau en avant, sont d'accès délicat par les voies sous-occipitale et sous-temporale transcanalaire. La tentative de préservation de l'audition dans les situations particulières où le côté contro-latéral à la tumeur n'est plus fonctionnel, justifie l'utilisation d'une voie anatomique sous-temporale transcanalaire élargie par ouverture de la tente du cervelet. L'étude anatomique et chirurgicale expérimentale expose les possibilités de cette voie d'abord.
    Notes: Summary The cerebellopontine angle is an anatomic region situated deeply at the anterolateral aspect of the brainstem, access to which is complicated by the presence of neurovascular bundles. The functional importance of these cranial n. (trigeminal, facial, vestibulo= cochlear, glossopharyngeal, vagus and accessory) calls for the use of special surgical routes of access in certain cases. In particular, tumors situated between the vestibulocochlear-facial bundle behind and the trigeminal n. in front are difficult to reach by the suboccipital and subtemporal transmeatal routes. The endeavor to preserve hearing in particular situations, where the side opposite the tumor is no longer functional, justifies the use of a subtemporal transmeatal route extended by opening the tentorium cerebelli. This anatomic and experimental surgical study deals with the possibilities of this route of approach.
    Type of Medium: Electronic Resource
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