{"id":6182,"date":"2026-02-26T16:53:57","date_gmt":"2026-02-26T13:53:57","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/noeud-sous-muqueux\/"},"modified":"2026-04-16T13:56:17","modified_gmt":"2026-04-16T10:56:17","slug":"noeud-sous-muqueux","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/fr\/glossaire\/noeud-sous-muqueux\/","title":{"rendered":"N\u0153ud sous-muqueux"},"content":{"rendered":"\n

Le n\u0153ud sous-muqueux (lat. sub<\/em> \u2014 sous, mucosa<\/em> \u2014 muqueuse) est une variante clinico-anatomique du l\u00e9iomyome ut\u00e9rin, o\u00f9 la formation cro\u00eet centrip\u00e8tement (vers la cavit\u00e9 ut\u00e9rine) en d\u00e9formant son architecture.<\/p>\n\n

\u00c9tiologie et physiopathologie<\/strong><\/h2>\n\n

Selon la classification actuelle FIGO (PALM-COEIN), les n\u0153uds submuqueux sont divis\u00e9s en trois types en fonction de leur relation avec le myom\u00e8tre\u00a0:<\/p>\n\n

    \n
  • Type 0\u00a0:<\/strong> Le n\u0153ud est enti\u00e8rement situ\u00e9 dans la cavit\u00e9 ut\u00e9rine (sur une \u00ab\u00a0tige\u00a0\u00bb), sans p\u00e9n\u00e9trer le myom\u00e8tre.<\/li>\n\n\n\n
  • Type 1\u00a0:<\/strong> Moins de 50\u00a0% du volume du n\u0153ud est immerg\u00e9 dans la paroi ut\u00e9rine.<\/li>\n\n\n\n
  • Type 2\u00a0:<\/strong> Plus de 50\u00a0% du volume du n\u0153ud est intramural (dans l’\u00e9paisseur du muscle). Le n\u0153ud provoque une distension de la cavit\u00e9 ut\u00e9rine, une augmentation de la zone de desquamation et une isch\u00e9mie\/ulc\u00e9ration locale de l’endom\u00e8tre qui le recouvre.<\/li>\n<\/ul>\n\n

    Importance clinique<\/strong><\/h2>\n\n

    La localisation sous-muqueuse est la plus cliniquement agressive. M\u00eame les nodules de petit diam\u00e8tre (1\u20132 cm) provoquent des m\u00e9norragies<\/strong> s\u00e9v\u00e8res avec caillots, conduisant \u00e0 une an\u00e9mie s\u00e9v\u00e8re, r\u00e9sistante au traitement. Des douleurs spasmodiques caract\u00e9ristiques (d\u00e9nomm\u00e9es \u00ab\u00a0n\u0153ud myomateux en voie de naissance\u00a0\u00bb) sont pr\u00e9sentes. <\/p>\n\n

    De plus, les n\u0153uds sous-muqueux agissent comme des contraceptifs intra-ut\u00e9rins\u00a0: ils provoquent une inflammation chronique et emp\u00eachent m\u00e9caniquement l’implantation, \u00e9tant une cause absolue d’infertilit\u00e9 ut\u00e9rine. Traitement\u00a0\u2014 hyst\u00e9roscopie (ablation par voie vaginale).<\/p>\n","protected":false},"excerpt":{"rendered":"

    Le n\u0153ud sous-muqueux (lat. sub<\/em> \u2014 sous, mucosa<\/em> \u2014 muqueuse) est une variante clinico-anatomique du l\u00e9iomyome ut\u00e9rin, o\u00f9 la formation cro\u00eet centrip\u00e8tement (vers la cavit\u00e9 ut\u00e9rine) en d\u00e9formant son architecture.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-6182","glossary_item","type-glossary_item","status-publish","hentry"],"acf":[],"yoast_head":"\nN\u0153ud sous-muqueux : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"Le n\u0153ud sous-muqueux (lat. sub \u2014 sous, mucosa \u2014 muqueuse) est une variante clinico-anatomique du l\u00e9iomyome ut\u00e9rin, o\u00f9 la formation cro\u00eet centrip\u00e8tement (vers la cavit\u00e9 ut\u00e9rine) en d\u00e9formant son architecture.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" 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