{"id":6866,"date":"2026-05-04T16:12:16","date_gmt":"2026-05-04T13:12:16","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/craniotomie\/"},"modified":"2026-06-01T13:04:57","modified_gmt":"2026-06-01T10:04:57","slug":"craniotomie","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/fr\/glossaire\/craniotomie\/","title":{"rendered":"Craniotomie"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">La craniotomie (du grec <em>kranion<\/em> \u2014 cr\u00e2ne et <em>tome<\/em> \u2014 incision, dissection) est une op\u00e9ration neurochirurgicale classique consistant en l&rsquo;ouverture temporaire de la cavit\u00e9 cr\u00e2nienne pour obtenir un acc\u00e8s direct \u00e0 l&rsquo;enc\u00e9phale, aux m\u00e9ninges ou aux vaisseaux intracr\u00e2niens.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x44D;&#x442;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;-&#x438;-&#x43F;&#x430;&#x442;&#x43E;&#x444;&#x438;&#x437;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;\"><strong>\u00c9tiologie et physiopathologie<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Contrairement \u00e0 la crani\u00e9ctomie d\u00e9compressive (o\u00f9 l&rsquo;os est retir\u00e9 longtemps pour soulager la pression), la craniotomie implique le retour indispensable du volet osseux d\u00e9coup\u00e9 \u00e0 sa place anatomique en fin d&rsquo;intervention.<\/p>\n\n<p class=\"wp-block-paragraph\">Techniquement, la proc\u00e9dure commence par une incision du scalp et le per\u00e7age de plusieurs petits trous de tr\u00e9panation. Ensuite, le chirurgien relie ces trous \u00e0 l&rsquo;aide d&rsquo;une scie filaire sp\u00e9ciale ou d&rsquo;un cr\u00e2niotome pneumatique, d\u00e9coupant un bloc osseux (\u00ab capuchon \u00bb). La dure-m\u00e8re sous l&rsquo;os est incis\u00e9e, ouvrant l&rsquo;acc\u00e8s au foyer pathologique.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x43A;&#x43B;&#x438;&#x43D;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x43E;&#x435;-&#x437;&#x43D;&#x430;&#x447;&#x435;&#x43D;&#x438;&#x435;\"><strong>Importance clinique<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">En neurotraumatologie d&rsquo;urgence, cette op\u00e9ration est l&rsquo;\u00e9talon-or pour l&rsquo;\u00e9vacuation imm\u00e9diate des h\u00e9matomes \u00e9piduraux et sous-duraux aigus qui compressent l&rsquo;enc\u00e9phale. Elle permet au chirurgien d&rsquo;\u00e9vacuer rapidement des caillots sanguins denses, de localiser un vaisseau rompu et de le ligaturer ou de le caut\u00e9riser de mani\u00e8re fiable (coagulation).<\/p>\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s ach\u00e8vement de toutes les manipulations intracr\u00e2niennes, la dure-m\u00e8re est sutur\u00e9e herm\u00e9tiquement. Le volet osseux d\u00e9coup\u00e9 est repositionn\u00e9 et fix\u00e9 rigoureusement aux bords du d\u00e9faut \u00e0 l&rsquo;aide de plaques et de vis en titane miniatures. Cela assure une protection imm\u00e9diate de l&rsquo;enc\u00e9phale et restaure le contour anatomique normal de la t\u00eate du patient.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La craniotomie (du grec <em>kranion<\/em> \u2014 cr\u00e2ne et <em>tome<\/em> \u2014 incision, dissection) est une op\u00e9ration neurochirurgicale classique consistant en l&rsquo;ouverture temporaire de la cavit\u00e9 cr\u00e2nienne pour obtenir un acc\u00e8s direct \u00e0 l&rsquo;enc\u00e9phale, aux m\u00e9ninges ou aux vaisseaux intracr\u00e2niens.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-6866","glossary_item","type-glossary_item","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Craniotomie : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"La craniotomie (du 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