{"id":15079,"date":"2019-04-04T00:00:53","date_gmt":"2019-04-03T22:00:53","guid":{"rendered":"https:\/\/dev.institutchiaribcn.com\/enfermedades\/le-filum-terminale\/"},"modified":"2026-03-30T10:07:20","modified_gmt":"2026-03-30T08:07:20","slug":"le-filum-terminale","status":"publish","type":"enfermedades","link":"https:\/\/institutchiaribcn.com\/fr\/le-filum-terminale\/","title":{"rendered":"Le Filum Terminale"},"content":{"rendered":"<div style=\"margin-top: 70px;\">\n<p><strong>Derni\u00e8re actualisation: 29\/10\/2024, <\/strong><a href=\"https:\/\/institutchiaribcn.com\/fr\/personnel-clinique\/dr-miguel-b-royo-salvador-2\/\" target=\"_blank\" rel=\"noopener\"><strong>Dr. Miguel B. Royo Salvador<\/strong><\/a>, <strong>Membre du Conseil de l\u2019Ordre des m\u00e9decins 10389.<\/strong> <strong>Neurochirurgien et Neurologue.<\/strong><\/p>\n<p style=\"text-align: justify;\">Dans cette section, nous essayons d\u2019introduire de mani\u00e8re tr\u00e8s synth\u00e9tique l\u2019anatomie normale du syst\u00e8me nerveux central et avec elle le ligament qui peut avoir de nombreuses cons\u00e9quences sur la sant\u00e9 de nos patients, afin qu\u2019ils puissent mieux comprendre les cons\u00e9quences que leur maladie peut avoir sur les divers syndromes ou pathologies que nous traitons.<\/p>\n<p>L\u2019Institut Chiari &amp; Siringomielia &amp; Escoliosis de Barcelona (ICSEB) et son \u00e9quipe de neurochirurgie sont hautement sp\u00e9cialis\u00e9s dans les pathologies du syst\u00e8me nerveux central li\u00e9es au ligament Filum Terminale.<\/p>\n<p>Comme le confirment les conclusions des recherches men\u00e9es au cours des 50 derni\u00e8res ann\u00e9es par le Dr M. B. Royo Salvador, un Filum Terminale qui provoque une tension excessive de la moelle \u00e9pini\u00e8re, provoque l\u2019apparition de la <strong>Maladie du Filum<\/strong>; elle peut donc \u00eatre la cause d\u2019un groupe de pathologies clairement d\u00e9fini, en plus d\u2019\u00eatre \u00e9troitement li\u00e9 au d\u00e9veloppement d\u2019autres diagnostics et leur pronostic.<\/p>\n<p><strong>Le Syst\u00e8me neurveux central (Fig.1) ou neu axe consiste en deux parties: <\/strong><\/p>\n<p>Il <strong>sistema nervoso centrale<\/strong> (<em>Fig.1<\/em>) <strong>o neuroasse<\/strong> \u00e8 diviso in due parti:<\/p>\n<ul>\n<li style=\"font-size: 16px; font-weight: 300; text-align: justify;\"><strong>L\u2019enc\u00e9phale<\/strong>: est la partie contenue dans le cr\u00e2ne.<\/li>\n<li style=\"font-size: 16px; font-weight: 300; text-align: justify;\"><strong>La moelle \u00e9pini\u00e8re<\/strong>: Il d\u2019agit de la partie inf\u00e9rieure ou caudale du neuro axis et a une forme cylindrique, contenue dans le canal ou canal vert\u00e9rbral.<\/li>\n<\/ul>\n<div align=\"center\"><a href=\"https:\/\/institutchiaribcn.com\/wp-content\/uploads\/2019\/04\/sistem-nervioso.jpg\"><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/institutchiaribcn.com\/wp-content\/uploads\/2019\/04\/sistem-nervioso.jpg\" alt=\"\" width=\"auto\" height=\"400\" \/><\/a><br \/>\nFig.1<\/div>\n<p style=\"text-align: justify;\">L\u2019<strong>enc\u00e9phale <\/strong>se divise en: <strong>cerveau, cervelet et tronc enc\u00e9phalique.<\/strong><\/p>\n<p>Le cerveau et la moelle \u00e9pini\u00e8re sont envelopp\u00e9s et prot\u00e9g\u00e9s par trois membranes ou <strong>m\u00e9ninges<\/strong>, <strong>de l\u2019int\u00e9rieur vers l\u2019ext\u00e9rieur: pie-m\u00e8re, arachno\u00efde et dure-m\u00e8re<\/strong>, qui d\u00e9terminent deux espaces interm\u00e9diaires: <strong>l\u2019espace intra-arachno\u00efdien<\/strong> ou <strong>sous-arachno\u00efdien<\/strong> contenant le <strong>liquide c\u00e9phalo-rachidien (LCR)<\/strong>, ayant pour fonction pour amortir, prot\u00e9ger, hydrater, nourrir et drainer le syst\u00e8me nerveux central; et <strong>l\u2019espace sous-dural<\/strong>, par dessous la dure-m\u00e8re.<\/p>\n<p>Le <strong>tronc c\u00e9r\u00e9bral<\/strong> connecte le cerveau et le cervelet avec la moelle \u00e9pini\u00e8re. Il se compose du m\u00e9senc\u00e9phale, la protub\u00e9rance et le bulbe rachidien.<\/p>\n<p>La <strong>moelle \u00e9pini\u00e8re<\/strong> s\u2019\u00e9tend depuis le bulbe rachidien dans le <em>foramen magnum<\/em> du cr\u00e2ne jusqu\u2019\u00e0 la premi\u00e8re vert\u00e8bre lombaire. Elle est flexible, \u00e9lastique et blanch\u00e2tre. Elle suit la colonne vert\u00e9brale en s\u2019adaptant \u00e0 ses mouvements, sans entrer en contact avec les os \u2013 \u00e9tant envelopp\u00e9e par les m\u00e9ninges et le LCR-.<\/p>\n<p>Dans une coupe transversale de la moelle \u00e9pini\u00e8re, nous observons la <strong>mati\u00e8re grise<\/strong> au niveau central avec deux colonnes lat\u00e9rales unis par une commissure grise ayant en son centre le <strong>canal de l\u2019\u00e9pendyme<\/strong> (prolongement m\u00e9dullaire du syst\u00e8me ventriculaire du cerveau) lui donnant l\u2019apparence d\u2019un papillon ou en \u00ab\u00a0H\u00a0\u00bb, entour\u00e9 de substance blanche.<\/p>\n<p>Sur le plan longitudinal, la moelle \u00e9pini\u00e8re est divis\u00e9e en segments m\u00e9dullaires d\u00e9finis, appel\u00e9s <strong>m\u00e9tam\u00e8res.<\/strong> De chaque m\u00e9tam\u00e8re \u00e9merge une paire de nerfs spinaux \u00e0 travers les foramen intervert\u00e9braux. La moelle \u00e9pini\u00e8re se connecte au syst\u00e8me nerveux p\u00e9riph\u00e9rique par le biais de 31\/33 paires de <strong>nerfs spinaux<\/strong>.<\/p>\n<p>Au niveau lombaire, la moelle \u00e9pini\u00e8re est limit\u00e9e \u00e0 la pr\u00e9sence du <strong>c\u00f4ne m\u00e9dullaire<\/strong>. Dans les trait\u00e9s d\u2019anatomie humaine et la plupart des publications, le c\u00f4ne m\u00e9dullaire est localis\u00e9 \u00e0 la proximit\u00e9 de l\u2019espace intervert\u00e9bral L1-2. Dans les \u00e9tudes men\u00e9es en Espagne, pr\u00e9sentant des particularit\u00e9s ethniques, le niveau du c\u00f4ne m\u00e9dullaire d\u00e9termin\u00e9 par deux auteurs avec des publications pertinentes, le situe au niveau D12-L1.<\/p>\n<p>Le complexe des racines nerveuses \u00e9pini\u00e8res correspondent aux quatre derniers segments lombaires, sacr\u00e9s et coccygiens, sans moelle, composent la <strong>queue de cheval<\/strong>, en prenant une disposition semblable \u00e0 une queue de cheval.<\/p>\n<hr \/>\n<h2><strong>Anatomie du Filum Terminale<\/strong><\/h2>\n<p style=\"text-align: justify;\">Le syst\u00e8me nerveux central commence \u00e0 se former au cours de la troisi\u00e8me semaine de gestation. Ce processus (neurulation) conduit \u00e0 la constitution du <strong>tube neural,<\/strong> qui \u00e0 son tour, \u00e0 travers la tunn\u00e9lisation, forme un <strong>c\u00f4ne m\u00e9dullaire et un ventricule terminal<\/strong>, donnant naissance \u00e0 la <strong>moelle \u00e9pini\u00e8re<\/strong> primitive.<\/p>\n<p>Enfin, \u00e0 38 jours de gestation, une <em>diff\u00e9renciation r\u00e9trograde<\/em> se produit et le <strong>filum terminale<\/strong> se forme. \u00c0 partir de la neuvi\u00e8me semaine de l\u2019embryon humain, une croissance disharmonique commence entre la colonne vert\u00e9brale et la moelle \u00e9pini\u00e8re, elle est stimul\u00e9e par deux hormones diff\u00e9rentes et ralentie par la texture du Filum terminale. G\u00e9n\u00e9rant un conflit m\u00e9canique qui aboutira, dans des cas extr\u00eames, aux manifestations de la Maladie du Filum.<\/p>\n<p>Le <strong>filum terminale<\/strong> (Fig.2-3) est un filament de 2 mm. d\u2019\u00e9paisseur et d\u2019environ 20 cm. long, s\u2019\u00e9tendant de l\u2019extr\u00e9mit\u00e9 inf\u00e9rieure du c\u00f4ne m\u00e9dullaire \u00e0 la face dorsale du coccyx, o\u00f9 il est fix\u00e9 tout en restant <em>in situ<\/em>. Il est form\u00e9 d\u2019un tissu fibreux qui se poursuit avec celui de la pie-m\u00e8re et qui est envelopp\u00e9 par la dure-m\u00e8re jusqu\u2019\u00e0 son insertion dans S2. Adh\u00e9r\u00e9s \u00e0 sa surface externe, il existe des filaments nerveux.<\/p>\n<p>Le canal \u00e9pendymaire central de la moelle \u00e9pini\u00e8re s\u2019\u00e9tend sur 5 \u00e0 6 cm. \u00e0 l\u2019int\u00e9rieur du filum terminale.<\/p>\n<div align=\"center\"><a href=\"https:\/\/institutchiaribcn.com\/wp-content\/uploads\/2019\/04\/filum-terminale-imagen.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/institutchiaribcn.com\/wp-content\/uploads\/2019\/04\/filum-terminale-imagen.jpg\" alt=\"\" width=\"400\" height=\"353\" \/><\/a><br \/>\n<em>Fig. 2 et 3 Le Filum Terminale, \u00e0 la gauche, section sagittal de la colonne lumbo-sacro-coccygienne; \u00e0 la droite, c\u00f4ne m\u00e9dullaire avec l\u2019ouverture de la dure-m\u00e8re, racines nerveuses lombosacr\u00e9s ou queue de cheval<\/em><\/div>\n<p style=\"text-align: justify;\">Le ligamente se compose de deux parties, une sup\u00e9rieure et une autre inf\u00e9rieure:<\/p>\n<ul>\n<li style=\"font-size: 16px; font-weight: 300; text-align: justify;\">La partie sup\u00e9rieure, ou <strong>filum terminale internum, <\/strong>mesure environs 15 cm. de long et arrive au niveau du bord inf\u00e9rieur de la deuxi\u00e8me vert\u00e9bre sacr\u00e9. Elle se trouve dans le sac de la dure-m\u00e8re et est entour\u00e9 des nerfs qui forment la <em>cauda equina<\/em>.<\/li>\n<li style=\"font-size: 16px; font-weight: 300; text-align: justify;\">La partie inf\u00e9rieure, ou <strong>filum terminale externum, <\/strong>est intimement en contact et couvert par la dure-m\u00e8re; elle s\u2019\u00e9tend de l\u2019apex du sac dural en S2 jusqu\u2019\u00e0 la partie post\u00e9rieure du premier-deuxi\u00e8me segment du coccyx<\/li>\n<\/ul>\n<hr \/>\n<h2><strong>R\u00e9f\u00e9rences bibliographiques<\/strong><\/h2>\n<ol>\n<li style=\"font-size: 16px; font-weight: 300; text-align: justify;\">Mercedes Arias, Alfonso Iglesias, Beatriz Nieto, Cristina Ruibal, Jorge Ma\u00f1as, Rosa Mart\u00ednez Presentaci\u00f3n del tema: \u00ab\u00a0Patolog\u00eda del filum terminale \u201cUna mirada atr\u00e1s\u201d Unidad de Diagn\u00f3stico por Imagen (GALARIA) Complejo Hospitalario Universitario de Vigo<\/li>\n<li style=\"font-size: 16px; font-weight: 300; text-align: justify;\">Dr. Miguel B. Royo Salvador (1996), <a href=\"https:\/\/institutchiaribcn.com\/pdf\/publicaciones\/dr-royo\/Siringomielia-escoliosis-malformacion-Arnold_Chiari-idiopatica.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Siringomielia<\/strong>, <strong>escoliosis<\/strong> y malformaci\u00f3n de <strong>Arnold-Chiari<\/strong> idiop\u00e1ticas, etiolog\u00eda com\u00fan (PDF).<\/a> REV NEUROL (Barc); 24 (132): 937-959.<\/li>\n<li style=\"font-size: 16px; font-weight: 300; text-align: justify;\">Dr. Miguel B. Royo Salvador (1996), <a href=\"https:\/\/institutchiaribcn.com\/pdf\/publicaciones\/dr-royo\/platibasia-impresion-basilar-retroceso-odontoideo.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Platibasia<\/strong>, impresi\u00f3n basilar, retroceso odontoideo y kinking del tronco cerebral, etiolog\u00eda com\u00fan con la <strong>siringomielia<\/strong>, <strong>escoliosis<\/strong> y <strong>malformaci\u00f3n de Arnold-Chiari<\/strong> idiop\u00e1ticas (PDF).<\/a> REV NEUROL (Barc); 24 (134): 1241-1250<\/li>\n<li style=\"font-size: 16px; font-weight: 300; text-align: justify;\">Dr. Miguel B. Royo Salvador (1997), <a href=\"https:\/\/institutchiaribcn.com\/pdf\/publicaciones\/dr-royo\/Nuevo-tratamiento-sirignomielia-escoliosis-malformacion-Arnold_Chiari.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Nuevo tratamiento quir\u00fargico para la <strong>siringomielia<\/strong>, la <strong>escoliosis<\/strong>, la <strong>malformaci\u00f3n de Arnold-Chiari<\/strong>, el kinking del tronco cerebral, el retroceso odontoideo, la impresi\u00f3n basilar y la platibasia idiop\u00e1ticas (PDF).<\/a> REV NEUROL; 25 (140): 523-530<\/li>\n<li style=\"font-size: 16px; font-weight: 300; text-align: justify;\">M. B. Royo-Salvador, J. Sol\u00e9-Llenas, J. M. Dom\u00e9nech, and R. Gonz\u00e1lez-Adrio, (2005) <a href=\"https:\/\/institutchiaribcn.com\/pdf\/publicaciones\/dr-royo\/results-filum-in-20-patients.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u00ab\u00a0Results of the section of the <strong>filum terminale<\/strong> in 20 patients with <strong>syringomyelia<\/strong>, scoliosis and <strong>Chiari malformation<\/strong>\u00ab\u00a0.(PDF).<\/a> Acta Neurochir (Wien) 147: 515\u2013523.<\/li>\n<li style=\"font-size: 16px; font-weight: 300; text-align: justify;\">M. B. Royo-Salvador (2014), <a href=\"https:\/\/institutchiaribcn.com\/commons\/pdf\/publicaciones\/dr-royo\/filum-system-bibliography.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u00ab\u00a0Filum System<sup>\u00ae<\/sup> Bibliography\u00a0\u00bb (PDF).<\/a><\/li>\n<li style=\"font-size: 16px; font-weight: 300; text-align: justify;\">M. B. Royo-Salvador (2014), <a href=\"https:\/\/institutchiaribcn.com\/filum-system-guia-breve\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u00ab\u00a0Filum System<sup>\u00ae<\/sup> Gu\u00eda Breve\u00a0\u00bb.<\/a><\/li>\n<\/ol>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/div>\n","protected":false},"featured_media":1302,"template":"","class_list":["post-15079","enfermedades","type-enfermedades","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Le Filum Terminale : anatomie et r\u00f4le clinique | Institut Chiari<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez l\u2019anatomie et le r\u00f4le clinique du Filum Terminale, et son implication dans la maladie du Filum et autres pathologies nerveuses.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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