{"id":1713,"date":"2025-11-13T14:48:52","date_gmt":"2025-11-13T11:48:52","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/hemotympan\/"},"modified":"2025-11-13T14:49:02","modified_gmt":"2025-11-13T11:49:02","slug":"hemotympan","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/fr\/glossaire\/hemotympan\/","title":{"rendered":"H\u00e9motympan"},"content":{"rendered":"\n<p>L&rsquo;h\u00e9motympan est une accumulation de sang dans la cavit\u00e9 tympanique (oreille moyenne), c&rsquo;est-\u00e0-dire directement derri\u00e8re le tympan. Lors d&rsquo;un examen de l&rsquo;oreille (otoscopie), le tympan appara\u00eet bleu\u00e2tre, violet ou presque noir en raison du sang qui le traverse.<\/p>\n\n<p>Il ne s&rsquo;agit pas d&rsquo;une maladie ind\u00e9pendante, mais plut\u00f4t d&rsquo;un signe clinique important, indiquant le plus souvent une blessure.<\/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>La cause la plus fr\u00e9quente et la plus grave d&rsquo;h\u00e9motympan est une fracture de la base du cr\u00e2ne, en particulier une fracture de la pyramide temporale. Le sang de la cavit\u00e9 cr\u00e2nienne s&rsquo;\u00e9coule dans la cavit\u00e9 tympanique.<\/p>\n\n<p>D&rsquo;autres causes possibles sont une blessure directe \u00e0 l&rsquo;oreille, un barotraumatisme (changement soudain de pression), des troubles de la coagulation sanguine ou, dans de rares cas, des tumeurs de l&rsquo;oreille moyenne.<\/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>La d\u00e9tection d&rsquo;un h\u00e9motympan, en particulier apr\u00e8s un traumatisme cr\u00e2nien, est un signal d&rsquo;alarme et n\u00e9cessite une attention imm\u00e9diate. Il s&rsquo;agit de l&rsquo;un des sympt\u00f4mes classiques d&rsquo;une fracture de la base du cr\u00e2ne, avec l&rsquo;\u00ab\u00a0h\u00e9matome en lunettes\u00a0\u00bb et le signe de Battle.<\/p>\n\n<p>Cliniquement, l&rsquo;h\u00e9motympan se manifeste par une surdit\u00e9 de transmission (diminution de l&rsquo;audition) du c\u00f4t\u00e9 affect\u00e9 et une sensation de pl\u00e9nitude ou de blocage dans l&rsquo;oreille. Le m\u00e9decin \u00e9tablit le diagnostic au cours d&rsquo;une otoscopie. En cas de soup\u00e7on de fracture de la base du cr\u00e2ne, une tomodensitom\u00e9trie de la t\u00eate est obligatoire.<\/p>\n\n<p>Le traitement vise la cause sous-jacente. Le sang de l&rsquo;oreille moyenne dispara\u00eet g\u00e9n\u00e9ralement de lui-m\u00eame en quelques semaines.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;h\u00e9motympan est une accumulation de sang dans la cavit\u00e9 tympanique (oreille moyenne), c&rsquo;est-\u00e0-dire directement derri\u00e8re le tympan. Lors d&rsquo;un examen de l&rsquo;oreille (otoscopie), le tympan appara\u00eet bleu\u00e2tre, violet ou presque noir en raison du sang qui le traverse.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-1713","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>H\u00e9motympan : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"L&#039;h\u00e9motympan est une accumulation de sang dans la cavit\u00e9 tympanique (oreille moyenne), c&#039;est-\u00e0-dire directement derri\u00e8re le tympan. 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