{"id":1537,"date":"2025-10-15T17:26:16","date_gmt":"2025-10-15T14:26:16","guid":{"rendered":"https:\/\/wiki.voka.io\/diseases\/uncategorized\/fibroadenome\/"},"modified":"2026-03-25T12:06:36","modified_gmt":"2026-03-25T09:06:36","slug":"fibroadenome","status":"publish","type":"diseases_post","link":"https:\/\/wiki.voka.io\/fr\/maladies\/oncologiques\/fibroadenome\/","title":{"rendered":"Fibroad\u00e9nome mammaire&nbsp;: \u00e9tiologie, pr\u00e9sentation clinique, diagnostic et traitement."},"content":{"rendered":"<p>Le fibroad\u00e9nome est une tumeur b\u00e9nigne du sein compos\u00e9e de tissu conjonctif et glandulaire. Il s\u2019agit de l\u2019une des pathologies focales les plus courantes du sein. Il peut survenir \u00e0 tout \u00e2ge, mais il est le plus souvent diagnostiqu\u00e9 entre 14 et 35\u00a0ans.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/3d-model-of-fibroadenoma.webp\" alt=\"Fibroad\u00e9nome\"><figcaption class=\"wp-element-caption\">Fibroad\u00e9nome\u00a0: <a href=\"https:\/\/catalog.voka.io\/en\/models\/436c862c-ea12-40ad-b117-1cf8ef5cd7e1\/fc0e14a5-fb7d-4a87-a1a8-567305298de6\/076e2fc4-6042-4386-b440-7cbfb7e8b275\/003445d8-c25c-4bc2-b6a8-44a807ec52dd\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">mod\u00e8le 3D<\/a><\/figcaption><\/figure>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/3d-model-of-benign-phyllodes-tumor.webp\" alt=\"Fibroad\u00e9nome phyllode (tumeur phyllode b\u00e9nigne)\"><figcaption class=\"wp-element-caption\">Fibroad\u00e9nome phyllode (tumeur phyllode b\u00e9nigne)\u00a0: <a href=\"https:\/\/catalog.voka.io\/en\/models\/436c862c-ea12-40ad-b117-1cf8ef5cd7e1\/fc0e14a5-fb7d-4a87-a1a8-567305298de6\/3065a1f9-ebf1-49ae-9ccc-b078576ccec2\/579767a5-47d9-434a-8f67-9483926b2a05\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">mod\u00e8le 3D<\/a><\/figcaption><\/figure>\n<figure class=\"wp-block-video\" id=\"animation-3d-fibroadenome\"><video controls><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/3d-animation-fibroadenoma.webm\" type=\"video\/webm\"><\/source><\/video><figcaption class=\"wp-element-caption\">Animation 3D\u00a0: fibroad\u00e9nome<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\" id=\"etiologie-et-pathogenese-du-fibroadenome\">\u00c9tiologie et pathogen\u00e8se du fibroad\u00e9nome<\/h2>\n<p>Les causes des fibroad\u00e9nomes ne sont pas enti\u00e8rement comprises. On pense actuellement que le principal facteur dans le d\u00e9veloppement du fibroad\u00e9nome (FA) est un d\u00e9s\u00e9quilibre hormonal\u00a0: une augmentation des niveaux d\u2019\u0153strog\u00e8nes associ\u00e9e \u00e0 une diminution des niveaux de progest\u00e9rone stimule l\u2019<span class=\"glossary-term\" data-title=\"Hyperplasie\" data-tooltip=\"L&#039;hyperplasie est une augmentation du volume d&#039;un tissu ou d&#039;un organe due \u00e0 une \u00e9l\u00e9vation du nombre de leurs \u00e9l\u00e9ments structurels (cellules) par une n\u00e9oformation excessive.\" data-link=\"https:\/\/wiki.voka.io\/fr\/glossaire\/hyperplasie\/\">hyperplasie<\/span> des tissus glandulaires et conjonctifs, ce qui est un facteur cl\u00e9 dans le d\u00e9veloppement du fibroad\u00e9nome. <\/p>\n<p>Une sensibilit\u00e9 accrue du tissu mammaire aux \u0153strog\u00e8nes peut \u00e9galement contribuer au d\u00e9veloppement de l\u2019hyperplasie, m\u00eame \u00e0 des niveaux normaux d\u2019hormones sexuelles.<\/p>\n<p>Outre le d\u00e9s\u00e9quilibre hormonal, des mutations somatiques dans les g\u00e8nes <em>MED12<\/em> (pr\u00e9sentes dans plus de 60\u00a0% des cas), <em>KMT2D<\/em> et <em>RARA<\/em> jouent un r\u00f4le dans le d\u00e9veloppement des fibroad\u00e9nomes.<\/p>\n<h2 class=\"wp-block-heading\" id=\"presentation-morphologique\">Pr\u00e9sentation morphologique<\/h2>\n<p>Le fibroad\u00e9nome est une masse clairement d\u00e9finie, non encapsul\u00e9e, caract\u00e9ris\u00e9e par une croissance expansive. Ces tumeurs se caract\u00e9risent par une prolif\u00e9ration des cellules du tissu conjonctif et glandulaire, avec un rapport relativement constant entre elles au sein du volume de la masse. <\/p>\n<p>Le stroma est homog\u00e8ne et hypovasculaire, compos\u00e9 de cellules fusiformes avec des noyaux ovales ou allong\u00e9s indistincts. Il n\u2019y a pas de polymorphisme des cellules stromales. Les mitoses sont rares, plus typiques des fibroad\u00e9nomes juv\u00e9niles, et n\u2019indiquent pas de malignit\u00e9. Chez les femmes plus \u00e2g\u00e9es, le stroma peut \u00eatre hyalinis\u00e9.<\/p>\n<p>Le parenchyme du fibroad\u00e9nome est repr\u00e9sent\u00e9 par un \u00e9pith\u00e9lium double couche normal, typique des canaux mammaires\u00a0: la couche interne est repr\u00e9sent\u00e9e par un \u00e9pith\u00e9lium cubique, tandis que la couche externe est constitu\u00e9e de cellules myo\u00e9pith\u00e9liales.<\/p>\n<h2 class=\"wp-block-heading\" id=\"classification-des-fibroadenomes-mammaires\">Classification des fibroad\u00e9nomes mammaires<\/h2>\n<h3 class=\"wp-block-heading\" id=\"selon-le-type-de-croissance\">Selon le type de croissance<\/h3>\n<p>Selon le type de croissance, les variantes histologiques des fibroad\u00e9nomes sont les suivantes\u00a0:<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>P\u00e9ricanaliculaire<\/strong>\u00a0: caract\u00e9ris\u00e9 par la croissance du tissu conjonctif autour des canaux mammaires tout en conservant leur perm\u00e9abilit\u00e9.<\/li>\n<li><strong>Intracanaliculaire<\/strong>\u00a0: la croissance du tissu conjonctif se produit \u00e0 l\u2019int\u00e9rieur du canal, entra\u00eenant sa d\u00e9formation et le r\u00e9tr\u00e9cissement de la lumi\u00e8re jusqu\u2019\u00e0 son occlusion compl\u00e8te.<\/li>\n<li><strong>Fibroad\u00e9nome mixte<\/strong>\u00a0: la croissance du tissu conjonctif se produit \u00e0 la fois autour et \u00e0 l\u2019int\u00e9rieur des canaux.<\/li>\n<\/ul>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/collage-pericanalicular-fibroadenoma.webp\" alt=\"Fibroad\u00e9nome p\u00e9ricanaliculaire\"><figcaption class=\"wp-element-caption\">Fibroad\u00e9nome p\u00e9ricanaliculaire. Source\u00a0: <em>WebPathology<\/em> [<a href=\"https:\/\/www.webpathology.com\/images\/breast\/benign-prolif-lesions\/fibroadenoma\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">11<\/a>]<\/figcaption><\/figure>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/collage-intracanalicular-fibroadenoma.webp\" alt=\"Fibroad\u00e9nome intracanaliculaire.\"><figcaption class=\"wp-element-caption\">Fibroad\u00e9nome intracanaliculaire. Source\u00a0: <em>WebPathology<\/em> [<a href=\"https:\/\/www.webpathology.com\/images\/breast\/benign-prolif-lesions\/fibroadenoma\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">11<\/a>]<\/figcaption><\/figure>\n<h3 class=\"wp-block-heading\" id=\"selon-le-taux-de-croissance-et-le-degre-de-maturite\">Selon le taux de croissance et le degr\u00e9 de maturit\u00e9<\/h3>\n<p>Selon le taux de croissance et le degr\u00e9 de maturit\u00e9, les fibroad\u00e9nomes sont class\u00e9s en fibroad\u00e9nomes matures et immatures.<\/p>\n<h3 class=\"wp-block-heading\" id=\"selon-la-structure-histologique\">Selon la structure histologique<\/h3>\n<p>En fonction de la structure histologique, on distingue\u00a0:<\/p>\n<ul class=\"wp-block-list\">\n<li>Les <strong>fibroad\u00e9nomes typiques<\/strong> de type adulte\u00a0;<\/li>\n<li>Les <strong>fibroad\u00e9nomes juv\u00e9niles<\/strong>\u00a0: apparaissent pendant la pubert\u00e9, caract\u00e9ris\u00e9s par une hyperplasie \u00e9pith\u00e9liale plus prononc\u00e9e et un nombre plus \u00e9lev\u00e9 de cellules stromales\u00a0;<\/li>\n<li>Les <strong>fibroad\u00e9nomes myxo\u00efdes<\/strong>\u00a0: caract\u00e9ris\u00e9s par la pr\u00e9sence d\u2019un stroma myxo\u00efde \u00e9vident\u00a0;<\/li>\n<li>Les <strong>fibroad\u00e9nomes phyllodes (en forme de feuille)<\/strong>\u00a0: proviennent du tissu glandulaire du sein, se caract\u00e9risent par une croissance rapide et un risque de malignit\u00e9.<\/li>\n<\/ul>\n<p>Selon leur structure, les fibroad\u00e9nomes sont class\u00e9s comme simples, compos\u00e9s de cellules homog\u00e8nes, et complexes, pouvant contenir des cavit\u00e9s kystiques et des foyers calcifi\u00e9s.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/collage-juvenile-fibroadenoma.webp\" alt=\"Fibroad\u00e9nome juv\u00e9nile\"><figcaption class=\"wp-element-caption\">Fibroad\u00e9nome juv\u00e9nile. Source\u00a0: <em>WebPathology<\/em> [<a href=\"https:\/\/www.webpathology.com\/images\/breast\/benign-prolif-lesions\/fibroadenoma\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">11<\/a>]<\/figcaption><\/figure>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/myxoid-fibroadenoma.webp\" alt=\"Fibroad\u00e9nome myxo\u00efde.\"><figcaption class=\"wp-element-caption\">Fibroad\u00e9nome myxo\u00efde. Auteur\u00a0: M. Khan, DO. Source\u00a0: <em>NCBI<\/em> [<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK535345\/figure\/article-18600.image.f1\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">8<\/a>]<\/figcaption><\/figure>\n<p>Vous trouverez ci-dessous des images histologiques de tumeurs phyllodes de bas grade (fibroad\u00e9nomes) pr\u00e9sentant diverses manifestations et modifications histologiques. Source\u00a0: <em>WebPathology<\/em> [<a href=\"https:\/\/www.webpathology.com\/images\/breast\/rare-breast-tumors\/phyllodes-tumor\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">11<\/a>]:<\/p>\n<div class=\"carousel-block\">\n<div class=\"swiper carousel-swiper carousel-swiper-block_69dfca79288b9\">\n<div class=\"swiper-wrapper\">\n<div class=\"swiper-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/low-grade-phyllodes-tumor-1.webp\" alt=\"Tumeur phyllode\u00a0: structure du stroma et de l'\u00e9pith\u00e9lium glandulaire\"><span class=\"small-text-article text-main-text-color\">Tumeur phyllode\u00a0: structure du stroma et de l\u2019\u00e9pith\u00e9lium glandulaire<\/span><\/div>\n<div class=\"swiper-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/low-grade-phyllodes-tumor-2webp\" alt=\"Tumeur phyllode de bas grade avec expansion des espaces en forme de fentes et formation de kystes avec structures papillaires\"><span class=\"small-text-article text-main-text-color\">Tumeur phyllode de bas grade avec expansion des espaces en forme de fentes et formation de kystes avec structures papillaires<\/span><\/div>\n<div class=\"swiper-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/low-grade-phyllodes-tumor-3.webp\" alt=\"Caract\u00e9ristiques histologiques d'une tumeur phyllode de bas grade avec hyperplasie stromale pseudoangiomateuse (pseudoangiomatous stromal hyperplasia, PASH)\"><span class=\"small-text-article text-main-text-color\">Caract\u00e9ristiques histologiques d\u2019une tumeur phyllode de bas grade avec hyperplasie stromale pseudoangiomateuse (pseudoangiomatous stromal hyperplasia, PASH)<\/span><\/div>\n<div class=\"swiper-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/low-grade-phyllodes-tumor-4.webp\" alt=\"Tumeur phyllode avec prolif\u00e9ration stromale p\u00e9riductale et structure nodulaire\"><span class=\"small-text-article text-main-text-color\">Tumeur phyllode avec prolif\u00e9ration stromale p\u00e9riductale et structure nodulaire<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"swiper-article-carousel__controls\">\n<div class=\"swiper-article-carousel__pagination-container swiper-article-carousel__pagination-container-block_69dfca79288b9\"><\/div>\n<div class=\"swiper-article-carousel__arrows\"><button class=\"swiper__arrow swiper__arrow--prev carousel-swiper-button-prev swiper__arrow swiper__arrow--prev carousel-swiper-button-prev-block_69dfca79288b9\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewbox=\"0 0 40 40\" fill=\"none\"><path d=\"M20 3.75C16.7861 3.75 13.6443 4.70305 10.972 6.48862C8.29969 8.27419 6.21689 10.8121 4.98696 13.7814C3.75704 16.7507 3.43524 20.018 4.06225 23.1702C4.68926 26.3224 6.23692 29.2179 8.50952 31.4905C10.7821 33.7631 13.6776 35.3107 16.8298 35.9378C19.982 36.5648 23.2493 36.243 26.2186 35.013C29.1879 33.7831 31.7258 31.7003 33.5114 29.028C35.297 26.3557 36.25 23.2139 36.25 20C36.2455 15.6916 34.5319 11.561 31.4855 8.51454C28.439 5.46806 24.3084 3.75455 20 3.75ZM23.3844 25.3656C23.5005 25.4818 23.5926 25.6196 23.6555 25.7714C23.7184 25.9231 23.7507 26.0858 23.7507 26.25C23.7507 26.4142 23.7184 26.5769 23.6555 26.7286C23.5926 26.8804 23.5005 27.0182 23.3844 27.1344C23.2682 27.2505 23.1304 27.3426 22.9786 27.4055C22.8269 27.4683 22.6643 27.5007 22.5 27.5007C22.3358 27.5007 22.1731 27.4683 22.0214 27.4055C21.8696 27.3426 21.7318 27.2505 21.6156 27.1344L15.3656 20.8844C15.2494 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4.70305 10.972 6.48862C8.29969 8.27419 6.21689 10.8121 4.98696 13.7814C3.75704 16.7507 3.43524 20.018 4.06225 23.1702C4.68926 26.3224 6.23692 29.2179 8.50952 31.4905C10.7821 33.7631 13.6776 35.3107 16.8298 35.9378C19.982 36.5648 23.2493 36.243 26.2186 35.013C29.1879 33.7831 31.7258 31.7003 33.5114 29.028C35.297 26.3557 36.25 23.2139 36.25 20C36.2455 15.6916 34.5319 11.561 31.4855 8.51454C28.439 5.46806 24.3084 3.75455 20 3.75ZM23.3844 25.3656C23.5005 25.4818 23.5926 25.6196 23.6555 25.7714C23.7184 25.9231 23.7507 26.0858 23.7507 26.25C23.7507 26.4142 23.7184 26.5769 23.6555 26.7286C23.5926 26.8804 23.5005 27.0182 23.3844 27.1344C23.2682 27.2505 23.1304 27.3426 22.9786 27.4055C22.8269 27.4683 22.6643 27.5007 22.5 27.5007C22.3358 27.5007 22.1731 27.4683 22.0214 27.4055C21.8696 27.3426 21.7318 27.2505 21.6156 27.1344L15.3656 20.8844C15.2494 20.7683 15.1572 20.6304 15.0943 20.4787C15.0314 20.3269 14.999 20.1643 14.999 20C14.999 19.8357 15.0314 19.6731 15.0943 19.5213C15.1572 19.3696 15.2494 19.2317 15.3656 19.1156L21.6156 12.8656C21.7318 12.7495 21.8696 12.6574 22.0214 12.5945C22.1731 12.5317 22.3358 12.4993 22.5 12.4993C22.6643 12.4993 22.8269 12.5317 22.9786 12.5945C23.1304 12.6574 23.2682 12.7495 23.3844 12.8656C23.5005 12.9818 23.5926 13.1196 23.6555 13.2714C23.7184 13.4231 23.7507 13.5858 23.7507 13.75C23.7507 13.9142 23.7184 14.0769 23.6555 14.2286C23.5926 14.3804 23.5005 14.5182 23.3844 14.6344L18.0172 20L23.3844 25.3656Z\" fill=\"#B5C0CD\"><\/path><\/svg><\/button><\/div>\n<\/div>\n<\/div>\n<p><script defer>\n    document.addEventListener('DOMContentLoaded', function() {\n        const imagesCarouselSwiper = new Swiper('.carousel-swiper-block_69dfca79288b9', {\n            slidesPerView: 1,\n            spaceBetween: 20,\n            loop: true,\n            pagination: {\n                el: '.swiper-article-carousel__pagination-container-block_69dfca79288b9',\n                clickable: true,\n            },\n            navigation: {\n                nextEl: '.carousel-swiper-button-next-block_69dfca79288b9',\n                prevEl: '.carousel-swiper-button-prev-block_69dfca79288b9',\n            },\n        })\n    })\n<\/script><\/p>\n<h2 class=\"wp-block-heading\" id=\"presentation-clinique\">Pr\u00e9sentation clinique<\/h2>\n<p>La pr\u00e9sentation clinique est non sp\u00e9cifique et d\u00e9pend de la taille de la l\u00e9sion. Les petits fibroad\u00e9nomes (moins de 5\u00a0mm) sont g\u00e9n\u00e9ralement asymptomatiques et sont d\u00e9tect\u00e9s par \u00e9chographie. <\/p>\n<p>Cliniquement, le fibroad\u00e9nome se manifeste par une masse ronde clairement d\u00e9finie dans le sein, pr\u00e9sentant les caract\u00e9ristiques suivantes\u00a0:<\/p>\n<ul class=\"wp-block-list\">\n<li>Contours lisses et r\u00e9guliers\u00a0;<\/li>\n<li>Indolore \u00e0 la palpation\u00a0;<\/li>\n<li>Facile \u00e0 d\u00e9placer sous la peau\u00a0;<\/li>\n<li>Consistance \u00e9lastique dense.<\/li>\n<\/ul>\n<p>Les fibroad\u00e9nomes phyllodes peuvent atteindre des tailles \u00e9normes, augmentant consid\u00e9rablement le volume du sein et en d\u00e9formant le contour. <\/p>\n<p>Pendant la grossesse et l\u2019allaitement, les fibroad\u00e9nomes peuvent augmenter rapidement de taille et comprimer les canaux lactif\u00e8res jusqu\u2019\u00e0 les obstruer compl\u00e8tement, entra\u00eenant une lactostase et, par cons\u00e9quent, une mastite lactationnelle.<\/p>\n<h2 class=\"wp-block-heading\" id=\"diagnostic-du-fibroadenome-mammaire\">Diagnostic du fibroad\u00e9nome mammaire<\/h2>\n<p>Les r\u00e9sultats de l\u2019inspection visuelle et de la palpation dans le cas d\u2019un fibroad\u00e9nome ne sont pas sp\u00e9cifiques, c\u2019est-\u00e0-dire qu\u2019ils peuvent \u00eatre tr\u00e8s similaires aux manifestations d\u2019autres l\u00e9sions, notamment des kystes. C\u2019est pourquoi des m\u00e9thodes instrumentales sont toujours n\u00e9cessaires pour \u00e9tablir un diagnostic pr\u00e9cis.<\/p>\n<h3 class=\"wp-block-heading\" id=\"1-inspection-visuelle\">1. <strong>Inspection visuelle<\/strong><\/h3>\n<p>Il n\u2019y a g\u00e9n\u00e9ralement aucun changement visible lorsque le fibroad\u00e9nome est petit. Les masses volumineuses peuvent entra\u00eener une d\u00e9formation visible du contour du sein.<\/p>\n<h3 class=\"wp-block-heading\" id=\"2-palpation\">2. <strong>Palpation<\/strong><\/h3>\n<p>Lors de l\u2019examen physique, un fibroad\u00e9nome est le plus souvent identifi\u00e9 comme une masse pr\u00e9sentant les caract\u00e9ristiques suivantes\u00a0:<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Forme et contours\u00a0:<\/strong> clairement d\u00e9limit\u00e9s, ronds ou ovales, avec une surface lisse;<\/li>\n<li><strong>Consistance\u00a0:<\/strong> dens\u00e9ment \u00e9lastique, \u00ab\u00a0semblable \u00e0 du caoutchouc\u00a0\u00bb;<\/li>\n<li><strong>Douleur\u00a0:<\/strong> indolore;<\/li>\n<li><strong>Mobilit\u00e9\u00a0:<\/strong> se d\u00e9place tr\u00e8s facilement dans le tissu glandulaire, ce qui lui vaut le nom informel de \u00ab\u00a0souris mammaire\u00a0\u00bb ou \u00ab\u00a0souris du sein\u00a0\u00bb.<\/li>\n<\/ul>\n<p>Les ganglions lymphatiques r\u00e9gionaux (axillaires, supra- et sous-claviers) ne sont g\u00e9n\u00e9ralement pas hypertrophi\u00e9s dans le cas d\u2019un fibroad\u00e9nome.<\/p>\n<h3 class=\"wp-block-heading\" id=\"3-echographie\">3. <strong>\u00c9chographie<\/strong><\/h3>\n<p>Les signes \u00e9chographiques typiques du fibroad\u00e9nome sont les suivants\u00a0:<\/p>\n<ul class=\"wp-block-list\">\n<li>masse solide, pr\u00e9sentant souvent une structure homog\u00e8ne\u00a0;<\/li>\n<li>Iso- ou hypo\u00e9chog\u00e8ne avec des contours nets et des bords lisses ou lobul\u00e9s (selon le type morphologique)\u00a0;<\/li>\n<li>Orientation horizontale\u00a0;<\/li>\n<li>mobile lorsqu\u2019elle est comprim\u00e9e par la sonde \u00e9chographique ;<\/li>\n<li>parfois, une pseudo-amplification dorsale du signal peut se produire\u00a0;<\/li>\n<li>Hypo- ou avasculaire lors de la cartographie en modes CDI (imagerie Doppler couleur) et PD (Doppler puissance) ;<\/li>\n<li>Indice de rapport de d\u00e9formation \u00e0 l\u2019\u00e9lastom\u00e9trie sup\u00e9rieur \u00e0 2,5.<\/li>\n<\/ul>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/collage-breast-fibroadenoma-on-ultrasound-image.webp\" alt=\"Fibroad\u00e9nome mammaire sur image \u00e9chographique\"><figcaption class=\"wp-element-caption\">fibroad\u00e9nome mammaire sur image \u00e9chographique. Auteur\u00a0: Dr. Taco Geertsma. Source\u00a0: <em>UltrasoundCases<\/em> [<a href=\"https:\/\/www.ultrasoundcases.info\/fibroadenomas-with-smooth-contour-7300\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">12<\/a>]<\/figcaption><\/figure>\n<p><strong>Signes \u00e9chographiques d\u2019un fibroad\u00e9nome phyllode\u00a0<\/strong>:<\/p>\n<ul class=\"wp-block-list\">\n<li>Masse iso- ou hypo\u00e9chog\u00e8ne\u00a0;<\/li>\n<li>Structure h\u00e9t\u00e9rog\u00e8ne, avec des inclusions non \u00e9chog\u00e8nes en cas de masse de grande taille\u00a0;<\/li>\n<li>Forme arrondie ou ovale, avec des contours nets et r\u00e9guliers ;<\/li>\n<li>Pr\u00e9sence d\u2019effets acoustiques (ombres lat\u00e9rales sym\u00e9triques, amplification du signal dorsal)\u00a0;<\/li>\n<li>Vascularisation intranodulaire importante en modes CDI et PD\u00a0;<\/li>\n<li>Indice de rapport de d\u00e9formation \u00e0 l\u2019\u00e9lastom\u00e9trie sup\u00e9rieur \u00e0 2,5.<\/li>\n<\/ul>\n<p>Une tumeur mammaire phyllode est repr\u00e9sent\u00e9e ci-dessous sur des images \u00e9chographiques. Auteur des photos n\u00b0 1 et n\u00b0 2\u00a0: Mario Taha. Source\u00a0: <em>Radiopaedia<\/em> [<a href=\"https:\/\/radiographia.info\/case\/filloidnaya-listovidnaya-opuhol-birads-4a\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">10<\/a>]. Auteur de la photo n\u00b0 3\u00a0: Giorgio M. Baratelli. Source\u00a0: <em>Radiopaedia<\/em> [<a href=\"https:\/\/radiopaedia.org\/cases\/phyllodes-tumour-2\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">10<\/a>].<\/p>\n<div class=\"carousel-block\">\n<div class=\"swiper carousel-swiper carousel-swiper-block_69dfca792a3f6\">\n<div class=\"swiper-wrapper\">\n<div class=\"swiper-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/phyllodes-tumor-of-breast-on-ultrasound-image-1.webp\" alt=\"Tumeur mammaire phyllode sur l'image \u00e9chographique n\u00b0 1\"><span class=\"small-text-article text-main-text-color\">Tumeur mammaire phyllode sur l\u2019image \u00e9chographique n\u00b0 1<\/span><\/div>\n<div class=\"swiper-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/phyllodes-tumor-of-breast-on-ultrasound-image-2\" 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14.999 20.1643 14.999 20C14.999 19.8357 15.0314 19.6731 15.0943 19.5213C15.1572 19.3696 15.2494 19.2317 15.3656 19.1156L21.6156 12.8656C21.7318 12.7495 21.8696 12.6574 22.0214 12.5945C22.1731 12.5317 22.3358 12.4993 22.5 12.4993C22.6643 12.4993 22.8269 12.5317 22.9786 12.5945C23.1304 12.6574 23.2682 12.7495 23.3844 12.8656C23.5005 12.9818 23.5926 13.1196 23.6555 13.2714C23.7184 13.4231 23.7507 13.5858 23.7507 13.75C23.7507 13.9142 23.7184 14.0769 23.6555 14.2286C23.5926 14.3804 23.5005 14.5182 23.3844 14.6344L18.0172 20L23.3844 25.3656Z\" fill=\"#B5C0CD\"><\/path><\/svg><\/button><\/div>\n<\/div>\n<\/div>\n<p><script defer>\n    document.addEventListener('DOMContentLoaded', function() {\n        const imagesCarouselSwiper = new Swiper('.carousel-swiper-block_69dfca792a3f6', {\n            slidesPerView: 1,\n            spaceBetween: 20,\n            loop: true,\n            pagination: {\n                el: '.swiper-article-carousel__pagination-container-block_69dfca792a3f6',\n                clickable: true,\n            },\n            navigation: {\n                nextEl: '.carousel-swiper-button-next-block_69dfca792a3f6',\n                prevEl: '.carousel-swiper-button-prev-block_69dfca792a3f6',\n            },\n        })\n    })\n<\/script><\/p>\n<p>Les fibroad\u00e9nomes mammaires, selon la classification BI-RADS, correspondent \u00e0 BI-RADS 3 (masse probablement b\u00e9nigne, risque de malignisation inf\u00e9rieur \u00e0 2\u00a0%) et BI-RADS 4 (risque de malignisation de 2 \u00e0 95\u00a0%). En pr\u00e9sence de crit\u00e8res \u00e9chographiques compatibles avec BI-RADS 4, une biopsie tumorale est indiqu\u00e9e pour clarifier le diagnostic.<\/p>\n<h3 class=\"wp-block-heading\" id=\"4-mammographie\">4. Mammographie<\/h3>\n<p>La mammographie dans le diagnostic des fibroad\u00e9nomes a une utilit\u00e9 limit\u00e9e car cette pathologie touche g\u00e9n\u00e9ralement les patientes en \u00e2ge de procr\u00e9er et le tissu glandulaire bien d\u00e9velopp\u00e9 nuit \u00e0 la visualisation des masses. <\/p>\n<p>Selon le type histologique, la tumeur peut \u00eatre d\u00e9finie sur les radiographies comme une masse homog\u00e8ne ronde, de forme ovale, avec un contour net (fibroad\u00e9nomes p\u00e9ricanaliculaires), ou pr\u00e9senter une structure lobulaire h\u00e9t\u00e9rog\u00e8ne avec des contours flous (fibroad\u00e9nome intracanaliculaire). De grands foyers calcifi\u00e9s en forme de pop-corn peuvent \u00eatre pr\u00e9sents, et une calcification de l\u2019ensemble de la masse est \u00e9galement possible.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/collage-breast-fibroadenomas-on-mammograms.webp\" alt=\"Fibroad\u00e9nomes mammaires sur mammographies\"><figcaption class=\"wp-element-caption\">Fibroad\u00e9nomes mammaires sur mammographies. Auteur\u00a0: Hani M. Al Salam. Source\u00a0: <em>Radiopaedia<\/em> [<a href=\"https:\/\/radiopaedia.org\/cases\/fibroadenoma-of-the-breast-1\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">10<\/a>]<\/figcaption><\/figure>\n<h3 class=\"wp-block-heading\" id=\"5-imagerie-par-resonance-magnetique-irm\">5. Imagerie par r\u00e9sonance magn\u00e9tique (IRM)<\/h3>\n<p>L\u2019imagerie par r\u00e9sonance magn\u00e9tique n\u2019est pas la m\u00e9thode de choix pour les fibroad\u00e9nomes et sert principalement \u00e0 clarifier le diagnostic. Sur les tomodensitogrammes, les fibroad\u00e9nomes apparaissent sous forme de masses rondes ou ovales aux contours nets. <\/p>\n<p>Ils sont iso- ou hypo-intenses sur les images pond\u00e9r\u00e9es en T1 et peuvent \u00eatre hypo- ou hyper-intenses sur les images pond\u00e9r\u00e9es en T2. Les r\u00e9sultats de l\u2019\u00e9tude de contraste se caract\u00e9risent par un rehaussement initial lent suivi d\u2019une phase retard\u00e9e persistante (courbe de rehaussement de type I).<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/oncology\/fibroadenoma\/collage-mri-of-breast-fibroadenoma.webp\" alt=\"IRM d'un fibroad\u00e9nome mammaire\"><figcaption class=\"wp-element-caption\">IRM d\u2019un fibroad\u00e9nome mammaire. Auteur\u00a0: Roberto Schubert. Source\u00a0: <em>Radiopaedia<\/em> [<a href=\"https:\/\/radiopaedia.org\/cases\/breast-fibroadenoma\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">10<\/a>]<\/figcaption><\/figure>\n<p>La v\u00e9rification morphologique est r\u00e9alis\u00e9e par biopsie \u00e0 l\u2019aiguille fine (v\u00e9rification cytologique du diagnostic), biopsie \u00e0 l\u2019aiguille \u00e9paisse, biopsie excisionnelle. <\/p>\n<h3 class=\"wp-block-heading\" id=\"6-biopsie-par-aspiration-a-l-aiguille-fine-fab\">6. Biopsie par aspiration \u00e0 l\u2019aiguille fine (FAB)<\/h3>\n<p>Il s\u2019agit d\u2019une proc\u00e9dure diagnostique r\u00e9alis\u00e9e afin d\u2019obtenir du mat\u00e9riel cellulaire provenant d\u2019une masse pour un examen cytologique ult\u00e9rieur.<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Avantages<\/strong>\u00a0: la proc\u00e9dure ne n\u00e9cessite aucune pr\u00e9paration particuli\u00e8re, est r\u00e9alis\u00e9e en ambulatoire et, en r\u00e8gle g\u00e9n\u00e9rale, ne n\u00e9cessite pas d\u2019anesth\u00e9sie.<\/li>\n<li><strong>Inconv\u00e9nient\u00a0:<\/strong> elle ne permet d\u2019\u00e9valuer que des cellules individuelles, et non la structure tissulaire, et n\u2019est donc pas toujours suffisante pour \u00e9tablir un diagnostic d\u00e9finitif.<\/li>\n<li><strong>Complications (rares)\u00a0:<\/strong> h\u00e9matome sous-cutan\u00e9, douleur localis\u00e9e, inflammation.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\" id=\"7-biopsie-a-l-aiguille\">7. Biopsie \u00e0 l\u2019aiguille<\/h3>\n<p>Il s\u2019agit de la \u00ab\u00a0r\u00e9f\u00e9rence\u00a0\u00bb en mati\u00e8re de diagnostic des fibroad\u00e9nomes. La proc\u00e9dure vise \u00e0 pr\u00e9lever des colonnes de tissu pour un examen histologique ult\u00e9rieur, ce qui permet d\u2019\u00e9tudier non seulement les cellules, mais aussi la structure du tissu.<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Avantages\u00a0:<\/strong> elle permet d\u2019obtenir le diagnostic le plus pr\u00e9cis et le plus complet, en distinguant le fibroad\u00e9nome des autres tumeurs, y compris malignes.<\/li>\n<li><strong>Proc\u00e9dure\u00a0:<\/strong> contrairement \u00e0 la FAB, la biopsie \u00e0 l\u2019aiguille n\u00e9cessite une anesth\u00e9sie locale. Sous contr\u00f4le \u00e9chographique, plusieurs \u00e9chantillons de tissu sont pr\u00e9lev\u00e9s \u00e0 l\u2019aide d\u2019un instrument sp\u00e9cial (aiguille \u00e0 biopsie ou tr\u00e9pan).<\/li>\n<li><strong>Complications\u00a0:<\/strong> similaires \u00e0 celles de la FAB, mais l\u00e9g\u00e8rement plus fr\u00e9quentes. Des r\u00e9actions allergiques \u00e0 l\u2019anesth\u00e9sique peuvent survenir.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\" id=\"8-biopsie-excisionnelle\">8. Biopsie excisionnelle<\/h3>\n<p>Il s\u2019agit de l\u2019ablation chirurgicale de la totalit\u00e9 de la masse, suivie d\u2019un examen histologique. Dans le cas d\u2019un fibroad\u00e9nome, cette proc\u00e9dure est \u00e0 la fois diagnostique et th\u00e9rapeutique.<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Indications\u00a0:<\/strong> elle est utilis\u00e9e pour les fibroad\u00e9nomes volumineux ou \u00e0 croissance rapide, en pr\u00e9sence de caract\u00e9ristiques atypiques et \u00e0 la demande de la patiente.<\/li>\n<li><strong>Proc\u00e9dure\u00a0:<\/strong> r\u00e9alis\u00e9e en milieu hospitalier ou ambulatoire sous anesth\u00e9sie locale ou g\u00e9n\u00e9rale.<\/li>\n<li><strong>Complications\u00a0:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Saignement de la plaie postop\u00e9ratoire\u00a0;<\/li>\n<li>Inflammation de la plaie postop\u00e9ratoire\u00a0;<\/li>\n<li>R\u00e9actions allergiques aux anesth\u00e9siques.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"social-banner-block\">\n<div class=\"social-banner-content\">\n<p class=\"h5-title text-black\">Retrouvez d\u2019autres contenus scientifiquement exacts sur nos m\u00e9dias sociaux<\/p>\n<p><span class=\"social-banner-text text-grey\">Abonnez-vous et ne manquez pas les derni\u00e8res ressources<\/span><\/p>\n<div class=\"social-links-wrapper\"><a class=\"social-icon-link\" href=\"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/facebook.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.instagram.com\/voka.io\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/insta.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.linkedin.com\/company\/voka-io\/posts\/?feedView=all\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/linkedin.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.youtube.com\/@vokaio\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/youtube.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.pinterest.com\/voka3danatomyandpathology\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/pinterest.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.tiktok.com\/@voka.io\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/tiktok.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/discord.gg\/7ejUpq8DRR\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/discord.svg\" alt=\"social link\"><\/a><\/div>\n<\/div>\n<p><img decoding=\"async\" class=\"social-banner-image\" loading=\"lazy\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/social-media-banner-mobile-image.webp\" alt=\"Banner background\"><\/div>\n<h2 class=\"wp-block-heading\" id=\"traitement-du-fibroadenome-mammaire\">Traitement du fibroad\u00e9nome mammaire<\/h2>\n<p>Dans la plupart des cas, les fibroad\u00e9nomes ne n\u00e9cessitent pas de traitement et les patientes chez lesquelles ce diagnostic a \u00e9t\u00e9 pos\u00e9 font uniquement l\u2019objet d\u2019un suivi dynamique. <\/p>\n<p>Il n\u2019existe aucun traitement m\u00e9dicamenteux approuv\u00e9.<\/p>\n<p>Le traitement chirurgical consiste \u00e0 retirer le fibroad\u00e9nome au sein du tissu sain, ce qui n\u00e9cessite une r\u00e9section sectorielle du sein, ou tumorectomie. <\/p>\n<p><strong>Les indications pour un traitement chirurgical<\/strong> sont\u00a0:<\/p>\n<ul class=\"wp-block-list\">\n<li>La taille du fibroad\u00e9nome est sup\u00e9rieure \u00e0 2\u00a0cm\u00a0;<\/li>\n<li>La pr\u00e9sence d\u2019une d\u00e9formation mammaire\u00a0;<\/li>\n<li>La croissance rapide de la tumeur (augmentation de deux fois ou plus en 3 \u00e0 6\u00a0mois)\u00a0;<\/li>\n<li>Le fibroad\u00e9nome phyllode (en raison du risque \u00e9lev\u00e9 de malignisation)\u00a0;<\/li>\n<li>Le projet de grossesse (en raison du risque \u00e9lev\u00e9 de croissance rapide du fibroad\u00e9nome et, par cons\u00e9quent, de troubles de la lactation).<\/li>\n<\/ul>\n<div>\n<h2 class=\"faq-title h2-article\" id=\"faq\">FAQ<\/h2>\n<div class=\"faq-section\">\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">1. Quelles sont les causes du fibroad\u00e9nome\u00a0?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">La cause principale est consid\u00e9r\u00e9e comme \u00e9tant un d\u00e9s\u00e9quilibre hormonal, en particulier une augmentation des niveaux d\u2019\u0153strog\u00e8nes associ\u00e9e \u00e0 une carence en progest\u00e9rone, qui stimule la croissance du tissu mammaire. De plus, des mutations somatiques dans certains g\u00e8nes (par exemple, <em>MED12<\/em>) jouent un r\u00f4le important et sont pr\u00e9sentes dans plus de 60\u00a0% des cas.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">2. Quels sont les signes et sympt\u00f4mes du fibroad\u00e9nome et est-il douloureux\u00a0?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Le signe principal est la pr\u00e9sence dans le sein d\u2019une masse clairement d\u00e9limit\u00e9e, arrondie, dens\u00e9ment \u00e9lastique et aux contours lisses. \u00c0 la palpation, elle se d\u00e9place facilement (\u00ab\u00a0glisse\u00a0\u00bb) et est g\u00e9n\u00e9ralement totalement indolore. Les fibroad\u00e9nomes plus petits peuvent \u00eatre asymptomatiques et ne peuvent \u00eatre d\u00e9tect\u00e9s qu\u2019\u00e0 l\u2019\u00e9chographie.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">3. Un fibroad\u00e9nome peut-il \u00e9voluer vers un cancer et quels sont ses principaux dangers\u00a0?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Un fibroad\u00e9nome typique est une tumeur b\u00e9nigne et n\u2019\u00e9volue pas vers un cancer. Le principal danger est associ\u00e9 \u00e0 son sous-type histologique rare, la tumeur phyllode (en forme de feuille). Cette variante se caract\u00e9rise par une croissance rapide et pr\u00e9sente un potentiel de transformation maligne (malignisation), elle fait donc toujours l\u2019objet d\u2019une ablation chirurgicale.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">4. \u00c0 quelle vitesse un fibroad\u00e9nome se d\u00e9veloppe-t-il\u00a0?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Le taux de croissance est individuel. De nombreux fibroad\u00e9nomes restent stables en taille pendant des ann\u00e9es. Cependant, un signe qui n\u00e9cessite une attention particuli\u00e8re est une croissance rapide, qui est cliniquement d\u00e9finie comme une augmentation de la taille de la tumeur de 2 fois ou plus en 3 \u00e0 6\u00a0mois. Une telle croissance est l\u2019une des indications pour un traitement chirurgical. De plus, les fibroad\u00e9nomes peuvent augmenter rapidement pendant la grossesse.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">5. Un fibroad\u00e9nome peut-il dispara\u00eetre ou se r\u00e9sorber spontan\u00e9ment\u00a0?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Non, contrairement aux kystes, un fibroad\u00e9nome est une tumeur solide (tissulaire) et ne peut pas se r\u00e9sorber spontan\u00e9ment. De plus, aucun traitement m\u00e9dicamenteux n\u2019est approuv\u00e9. Les mentions selon lesquelles un fibroad\u00e9nome peut se r\u00e9sorber pendant la grossesse sont trompeuses\u00a0; au contraire, la grossesse est plus susceptible de stimuler sa croissance.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">6. Comment un fibroad\u00e9nome est-il retir\u00e9 et quand est-ce n\u00e9cessaire\u00a0?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Le retrait d\u2019un fibroad\u00e9nome se fait par voie chirurgicale. L\u2019intervention chirurgicale standard consiste en une r\u00e9section sectorielle du sein (ou tumorectomie)\u00a0: excision de la tumeur dans les tissus sains. Indications pour la chirurgie\u00a0: taille sup\u00e9rieure \u00e0 2\u00a0cm, croissance rapide, d\u00e9formation du contour du sein, tumeur de type phyllode, ainsi que projet de grossesse.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<\/div>\n<p><script type=\"application\/ld+json\">\n    {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Quelles sont les causes du fibroad\u00e9nome\u00a0?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"La cause principale est consid\u00e9r\u00e9e comme \u00e9tant un d\u00e9s\u00e9quilibre hormonal, en particulier une augmentation des niveaux d'\u0153strog\u00e8nes associ\u00e9e \u00e0 une carence en progest\u00e9rone, qui stimule la croissance du tissu mammaire. De plus, des mutations somatiques dans certains g\u00e8nes (par exemple, <em>MED12) jouent un r\u00f4le important et sont pr\u00e9sentes dans plus de 60\u00a0% des cas.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Quels sont les signes et sympt\u00f4mes du fibroad\u00e9nome et est-il douloureux\u00a0?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Le signe principal est la pr\u00e9sence dans le sein d'une masse clairement d\u00e9limit\u00e9e, arrondie, dens\u00e9ment \u00e9lastique et aux contours lisses. \u00c0 la palpation, elle se d\u00e9place facilement (\u00ab\u00a0glisse\u00a0\u00bb) et est g\u00e9n\u00e9ralement totalement indolore. Les fibroad\u00e9nomes plus petits peuvent \u00eatre asymptomatiques et ne peuvent \u00eatre d\u00e9tect\u00e9s qu'\u00e0 l'\u00e9chographie.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Un fibroad\u00e9nome peut-il \u00e9voluer vers un cancer et quels sont ses principaux dangers\u00a0?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Un fibroad\u00e9nome typique est une tumeur b\u00e9nigne et n'\u00e9volue pas vers un cancer. Le principal danger est associ\u00e9 \u00e0 son sous-type histologique rare, la tumeur phyllode (en forme de feuille). Cette variante se caract\u00e9rise par une croissance rapide et pr\u00e9sente un potentiel de transformation maligne (malignisation), elle fait donc toujours l'objet d'une ablation chirurgicale.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"\u00c0 quelle vitesse un fibroad\u00e9nome se d\u00e9veloppe-t-il\u00a0?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Le taux de croissance est individuel. De nombreux fibroad\u00e9nomes restent stables en taille pendant des ann\u00e9es. Cependant, un signe qui n\u00e9cessite une attention particuli\u00e8re est une croissance rapide, qui est cliniquement d\u00e9finie comme une augmentation de la taille de la tumeur de 2 fois ou plus en 3 \u00e0 6\u00a0mois. Une telle croissance est l'une des indications pour un traitement chirurgical. De plus, les fibroad\u00e9nomes peuvent augmenter rapidement pendant la grossesse.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Un fibroad\u00e9nome peut-il dispara\u00eetre ou se r\u00e9sorber spontan\u00e9ment\u00a0?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Non, contrairement aux kystes, un fibroad\u00e9nome est une tumeur solide (tissulaire) et ne peut pas se r\u00e9sorber spontan\u00e9ment. De plus, aucun traitement m\u00e9dicamenteux n'est approuv\u00e9. Les mentions selon lesquelles un fibroad\u00e9nome peut se r\u00e9sorber pendant la grossesse sont trompeuses\u00a0; au contraire, la grossesse est plus susceptible de stimuler sa croissance.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Comment un fibroad\u00e9nome est-il retir\u00e9 et quand est-ce n\u00e9cessaire\u00a0?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Le retrait d'un fibroad\u00e9nome se fait par voie chirurgicale. L'intervention chirurgicale standard consiste en une r\u00e9section sectorielle du sein (ou tumorectomie)\u00a0: excision de la tumeur dans les tissus sains. Indications pour la chirurgie\u00a0: taille sup\u00e9rieure \u00e0 2\u00a0cm, croissance rapide, d\u00e9formation du contour du sein, tumeur de type phyllode, ainsi que projet de grossesse.\"\n            }\n        }\n    ]\n}<\/script><\/div>\n<div class=\"sources-list-block sources-list-hidden\" id=\"references\">\n<div class=\"sources-list-content\">\n<div class=\"sources-list-title\">\n<p class=\"small-text-bold text-black sources-list-title-text\">R\u00e9f\u00e9rences<\/p>\n<div class=\"sources-expand-button-wrapper-mobile\">\n<div class=\"sources-expand-button\"><svg width=\"32\" height=\"32\" viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 12L16 20L24 12\" stroke=\"#8C9AAB\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><\/div>\n<\/div>\n<\/div>\n<div class=\"sources-list-items\">\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">1.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>VOKA 3D Anatomy & Pathology \u2013 Complete Anatomy and Pathology 3D Atlas [Internet] (VOKA 3D Anatomie et Pathologie \u2013 Atlas 3D complet d\u2019anatomie et de pathologie [Internet]). VOKA 3D Anatomy & Pathology (VOKA 3D Anatomie et Pathologie). <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Disponible \u00e0 l\u2019adresse\u00a0: https:\/\/catalog.voka.io\/<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">2.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Breast description and diagnosis. UpToDate [Internet]. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Disponible \u00e0 l\u2019adresse\u00a0: https:\/\/www.uptodateonline.ir\/contents\/UTD.htm?3\/60\/4040\/abstract\/3#H14<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">3.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Anisimov AV. BI-RADS system for ultrasound: description, classification, illustrations [Internet]. MEDISON.RU. 2026. [En russe.] <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Disponible \u00e0 l\u2019adresse\u00a0: https:\/\/www.medison.ru\/si\/art434.htm<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">4.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Sencha AN. Breast ultrasound. Step by step. From simple to complex. 2nd ed. Moscow: MEDpress-inform; 2020. 176 p. [En russe.] <\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">5.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Sencha AN, Bikeev YV. Breast ultrasound. Atlas. Moscow: MEDpress-inform; 2022. 240 p. [En russe.] <\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">6.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Ternovoy SK, Abduraimov AB. Breast Radiology. Moscow: GEOTAR-Media; 2011. 128 p. [En russe.] <\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">7.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>PathologyOutlines.com \u2013 Pathology Outlines: Online pathology textbook [Internet]. PathologyOutlines.com. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Disponible \u00e0 l\u2019adresse\u00a0: https:\/\/www.pathologyoutlines.com<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">8.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Ajmal M, Khan M, Van Fossen K. Breast fibroadenoma [Internet]. StatPearls \u2013 NCBI Bookshelf. 2022. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Disponible \u00e0 l\u2019adresse : https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK535345\/ <\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">9.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Leithner D, Wengert GJ, Helbich TH, Thakur S, Ochoa-Albiztegui RE, Morris EA, et al. Clinical Role of Breast MRI Now and Going Forward [Internet]. Clinical Radiology. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Disponible \u00e0 l\u2019adresse\u00a0: https:\/\/www.clinicalradiologyonline.net\/article\/S0009-9260(17)30521-4\/fulltext.<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">10.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Radiopaedia.org \u2013 Breast fibroadenoma [Internet]. Radiopaedia.org. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Disponible \u00e0 l\u2019adresse\u00a0: https:\/\/radiopaedia.org\/cases\/breast-fibroadenoma<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">11.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Collection of surgical pathology images [Internet]. Webpathology. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Disponible \u00e0 l\u2019adresse\u00a0: https:\/\/www.webpathology.com\/ <\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">12.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>weDevise. Browse free ultrasound cases | Ultrasound Cases [Internet]. Ultrasound Cases. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Disponible \u00e0 l\u2019adresse\u00a0: https:\/\/www.ultrasoundcases.info\/ <\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sources-expand-button-wrapper\">\n<div class=\"sources-expand-button\"><svg width=\"32\" height=\"32\" viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 12L16 20L24 12\" stroke=\"#8C9AAB\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le fibroad\u00e9nome est une tumeur b\u00e9nigne du sein compos\u00e9e de tissu conjonctif et glandulaire. Il s\u2019agit de l\u2019une des pathologies focales les plus courantes du sein. Il peut survenir \u00e0 tout \u00e2ge, mais il est le plus souvent diagnostiqu\u00e9 entre 14 et 35\u00a0ans. \u00c9tiologie et pathogen\u00e8se du fibroad\u00e9nome Les causes des fibroad\u00e9nomes ne sont pas [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"template":"","diseases_category":[350],"class_list":["post-1537","diseases_post","type-diseases_post","status-publish","hentry","diseases_category-oncologiques"],"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>Fibroad\u00e9nome mammaire\u00a0: causes, sympt\u00f4mes, signes, diagnostic et traitement.<\/title>\n<meta name=\"description\" content=\"Fibroad\u00e9nome mammaire\u00a0: \u00e9tiologie, variantes histologiques, pr\u00e9sentation clinique et diagnostic. 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