{"id":1623,"date":"2025-10-30T11:38:54","date_gmt":"2025-10-30T08:38:54","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/hypertrophie-des-adenoides\/"},"modified":"2025-10-30T11:38:51","modified_gmt":"2025-10-30T08:38:51","slug":"hypertrophie-des-adenoides","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/fr\/glossaire\/hypertrophie-des-adenoides\/","title":{"rendered":"Hypertrophie des ad\u00e9no\u00efdes"},"content":{"rendered":"\n<p>L\u2019hypertrophie des ad\u00e9no\u00efdes (ou v\u00e9g\u00e9tations ad\u00e9no\u00efdes) d\u00e9signe l\u2019augmentation pathologique du volume du tissu lympho\u00efde de l\u2019amygdale pharyng\u00e9e, situ\u00e9e au niveau du toit du nasopharynx. R\u00e9sulte d\u2019une stimulation antig\u00e9nique chronique. Entra\u00eene une obstruction des voies a\u00e9riennes et une alt\u00e9ration de la fonction de la trompe d\u2019Eustache.<\/p>\n\n<p>Ce trouble est l\u2019une des pathologies les plus fr\u00e9quentes en oto-rhino-laryngologie p\u00e9diatrique. L\u2019amygdale pharyng\u00e9e, int\u00e9gr\u00e9e au cercle lympho\u00e9pith\u00e9lial du pharynx, joue un r\u00f4le immunitaire. Son hypertrophie devient pathologique lorsqu\u2019elle provoque des sympt\u00f4mes cliniques persistants.<\/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>Les causes de l\u2019hyperplasie incluent les infections respiratoires fr\u00e9quentes et l\u2019inflammation allergique, qui cr\u00e9ent une charge antig\u00e9nique constante sur le tissu lympho\u00efde. En fonction du degr\u00e9 d\u2019obstruction du nasopharynx, on distingue trois grades d\u2019hypertrophie (I, II et III), qui d\u00e9terminent la s\u00e9v\u00e9rit\u00e9 des manifestations cliniques.<\/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>Le principal sympt\u00f4me clinique est une g\u00eane persistante \u00e0 la respiration nasale, entra\u00eenant une respiration buccale, un ronflement nocturne et un syndrome d\u2019apn\u00e9e obstructive du sommeil (SAOS). L\u2019obstruction des orifices des trompes d\u2019Eustache provoque des otites moyennes r\u00e9currentes et une baisse de l\u2019audition. L&rsquo; \u00ab \u00e9talon-or \u00bb du diagnostic est l\u2019endoscopie nasopharyng\u00e9e.<\/p>\n\n<p>La prise en charge d\u00e9pend du degr\u00e9 et des sympt\u00f4mes. Pour les grades I et II, un traitement conservateur est privil\u00e9gi\u00e9 (corticost\u00e9ro\u00efdes intranasaux). En cas de grade III ou de complications (SAOS, otites, perte auditive), un traitement chirurgical, l\u2019ad\u00e9notomie, est indiqu\u00e9.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x434;&#x438;&#x444;&#x444;&#x435;&#x440;&#x435;&#x43D;&#x446;&#x438;&#x430;&#x43B;&#x44C;&#x43D;&#x43E;-&#x434;&#x438;&#x430;&#x433;&#x43D;&#x43E;&#x441;&#x442;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x438;&#x435;-&#x430;&#x441;&#x43F;&#x435;&#x43A;&#x442;&#x44B;\"><strong>Diagnostic diff\u00e9rentiel<\/strong><\/h2>\n\n<p>L\u2019hypertrophie des ad\u00e9no\u00efdes doit \u00eatre distingu\u00e9e de l\u2019ad\u00e9no\u00efdite, qui est une inflammation active du tissu ad\u00e9no\u00efde. L\u2019hypertrophie peut se manifester sans inflammation, tandis que l\u2019ad\u00e9no\u00efdite s\u2019accompagne d\u2019un \u0153d\u00e8me, d\u2019une hyper\u00e9mie et d\u2019un exsudat purulent.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019hypertrophie des ad\u00e9no\u00efdes (ou v\u00e9g\u00e9tations ad\u00e9no\u00efdes) d\u00e9signe l\u2019augmentation pathologique du volume du tissu lympho\u00efde de l\u2019amygdale pharyng\u00e9e, situ\u00e9e au niveau du toit du nasopharynx. R\u00e9sulte d\u2019une stimulation antig\u00e9nique chronique. Entra\u00eene une obstruction des voies a\u00e9riennes et une alt\u00e9ration de la fonction de la trompe d\u2019Eustache.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-1623","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>Hypertrophie des ad\u00e9no\u00efdes : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"L\u2019hypertrophie des ad\u00e9no\u00efdes (ou v\u00e9g\u00e9tations ad\u00e9no\u00efdes) d\u00e9signe l\u2019augmentation pathologique du volume du tissu lympho\u00efde de l\u2019amygdale pharyng\u00e9e, situ\u00e9e au niveau du toit du nasopharynx. R\u00e9sulte d\u2019une stimulation antig\u00e9nique chronique. 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