{"id":77447,"date":"2023-10-02T10:19:03","date_gmt":"2023-10-02T10:19:03","guid":{"rendered":"https:\/\/www.msdconnect.be\/fr\/?post_type=therapeutic-area&#038;p=77447"},"modified":"2025-02-17T18:22:13","modified_gmt":"2025-02-17T18:22:13","slug":"les-types-de-cancer-du-sein","status":"publish","type":"therapeutic-area","link":"https:\/\/www.msdconnect.be\/fr\/therapeutic-areas\/auto-palpation-reguliere-de-la-poitrine\/les-types-de-cancer-du-sein\/","title":{"rendered":"Les types de cancer du sein"},"content":{"rendered":"<figure class=\"mhh-mcn-v1-image mhh-mcn-v1-image--c45e59b8572c22ef24cd0d64fafef2f7\">\n                    <img loading=\"lazy\" decoding=\"async\"\n        class=\"mhh-mcn-image mhh-mcn-image--full wp-image-77448\"\n        src=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/Breast-Awareness-Header-banners-2-V2.jpg?quality=80&#038;lossy=1\"\n        width=\"1568\"\n        height=\"580\"\n                alt=\"image avec text: Quel sont les diff\u00e9rents types de cancer du sein ?\"\n            \/>\n            <\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-text-color  mhh-mcn-v1-heading mhh-mcn-v1-heading--618ddff5b367a3a0916c37a0e8e87213\" style=\"color:#af574e\"><em>L\u2019Anatomie du Sein<sup>1<\/sup><\/em><\/h2>\n\n\n\n<p class=\"mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--74a864538e668c57ae740fcc652b2930 wp-block-paragraph\" dir=\"ltr\" lang=\"en-US\">Afin de mieux comprendre le cancer du sein, il convient d\u2019en <strong>conna\u00eetre son anatomie<\/strong>.<\/p>\n\n\n\n<p class=\"mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--d74e8f531ecc28ad6238072987d9ded3 wp-block-paragraph\" dir=\"ltr\" lang=\"en-US\">Le sein est compos\u00e9 de <strong>15 \u00e0 20 glandes mammaires<\/strong>, \u00e9galement appel\u00e9es lobes, s\u00e9par\u00e9es les unes des autres par du tissu conjonctif et graisseux. Chaque lobe est lui-m\u00eame constitu\u00e9 d\u2019un certain nombre de <strong>lobules<\/strong>, un groupe de petites structures tubulaires responsables de la production de lait. Les lobes sont reli\u00e9s au mamelon par un r\u00e9seau de <strong>canaux galactophores<\/strong>, \u00e9galement appel\u00e9s canaux lactif\u00e8res, mammaires ou mamillaires. Le <strong>mamelon<\/strong> est situ\u00e9 au centre de l\u2019<strong>ar\u00e9ole<\/strong>, une zone de couleur plus fonc\u00e9e.<\/p>\n\n\n<figure class=\"mhh-mcn-v1-image mhh-mcn-v1-image--align-center mhh-mcn-v1-image--46955b205af512f190c9707deada6ad2\">\n                    <img decoding=\"async\"\n        class=\"mhh-mcn-image mhh-mcn-image--full wp-image-77450\"\n        src=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/l-anatomie-du-sein_fr.png?quality=80&#038;lossy=1\"\n        width=\"807\"\n        height=\"411\"\n        loading=\"lazy\"        alt=\"\"\n            \/>\n            <\/figure>\n\n\n<div class=\"mhh-mcn-columns mhh-mcn-v1-columns--a52a69d31acb9bad3779ec556f387002 mhh-mcn-v1-columns mhh-mcn-columns--gutter-m\">\n    <div class=\"mhh-mcn-columns-inner\">\n        \n<div class=\"mhh-mcn-v1-column mhh-mcn-v1-column--883b55f2208cf78acfc55f9a88b6d60b mhh-mcn-column mhh-mcn-column--12 mhh-mcn-column--m-4 mhh-mcn-column--l-4\">\n    \n<figure class=\"mhh-mcn-v1-image mhh-mcn-v1-image--align-center mhh-mcn-v1-image--8a384873edc149d47ab75e099b347981\">\n                    <img decoding=\"async\"\n        class=\"mhh-mcn-image mhh-mcn-image--full wp-image-77451\"\n        src=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/des-vaisseaux-sanguins-et-lymphatiques_fr.png?quality=80&#038;lossy=1\"\n        width=\"482\"\n        height=\"679\"\n        loading=\"lazy\"        alt=\"\"\n            \/>\n            <\/figure>\n\n<\/div>\n\n\n<div class=\"mhh-mcn-v1-column mhh-mcn-v1-column--186bd06659f5a53daca04e733bdbb1ba mhh-mcn-column mhh-mcn-column--12 mhh-mcn-column--m-8 mhh-mcn-column--l-8\">\n    \n\n<div style=\"height:72px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--61f0096e8c61dff5dc6bf38603a53afa wp-block-paragraph\" dir=\"ltr\" lang=\"en-US\">Des <strong>vaisseaux sanguins et lymphatiques<\/strong> parcourent \u00e9galement le sein. Les vaisseaux lymphatiques sont reli\u00e9s aux <strong>ganglions<\/strong> lymphatiques et au syst\u00e8me lymphatique, qui a pour r\u00f4le d\u2019\u00e9vacuer les d\u00e9chets de l\u2019organisme. Les ganglions sont de petits organes en forme de haricot qui aident \u00e0 combattre les infections.<\/p>\n\n<\/div>\n\n    <\/div>\n\n    <\/div>\n\n\n\n<h2 class=\"wp-block-heading  has-gray-700-color has-text-color mhh-mcn-v1-heading--center mhh-mcn-v1-heading mhh-mcn-v1-heading--e839eb179edd0ab96712e44e5b3879e1\"><em>Comment d\u00e9bute un cancer du sein ?<sup>1<\/sup><\/em><\/h2>\n\n\n\n<p class=\"mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--6db81573d6d1ea067c945bbdebc5bdb4 wp-block-paragraph\" dir=\"ltr\" lang=\"en-US\">Un cancer est caus\u00e9 par une cellule dans le corps qui se comporte de fa\u00e7on anormale et commence \u00e0 <strong>se multiplier de mani\u00e8re incontr\u00f4l\u00e9e.<br><\/strong>La diff\u00e9rence entre un cancer et une tumeur b\u00e9gnine est qu\u2019une cellule canc\u00e9reuse peut se propager aux tissus voisins et envahir d\u2019autres tissus du corps dont elle n\u2019est pas originaire.<\/p>\n\n\n\n<p class=\"mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--42faf3cffd534053f7b2d48dd4a4d56b wp-block-paragraph\" dir=\"ltr\" lang=\"en-US\">En g\u00e9n\u00e9ral, on peut classer les cancers du sein selon 3 niveaux de diff\u00e9renciation :<\/p>\n\n\n\n<p dir=\"ltr\" lang=\"en-US\" class=\"has-text-color has-object-object-font-size   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--d9801984bd385a7e530223f55b60b3d8 wp-block-paragraph\" style=\"color:#ffa1aa\">1 &#8211; L\u2019origine du cancer<\/p>\n\n\n\n<p class=\"mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--22b7bb1fa17dde0f24cecb806f0d7a05 wp-block-paragraph\" dir=\"ltr\" lang=\"en-US\">Les cancers du sein sont d\u2019abord classifi\u00e9s en fonction de l\u2019endroit o\u00f9 la tumeur d\u00e9bute :<\/p>\n\n\n\n<ul class=\"mhh-mcn-v2-clist mhh-mcn-v2-clist--df5820203ef59670f3f380adebaecb6a mhh-mcn-list mhh-mcn-v2-clist--unordered mhh-mcn-v2-clist--unordered-line\" dir=\"ltr\" lang=\"en-US\" start=\"1\">\n    \n<li class=\"mhh-mcn-list-item mhh-mcn-v2-list-item\">\n    Si la tumeur se d\u00e9veloppe dans les canaux galactophores, on parlera de <strong>cancer canalaire<\/strong>    <\/li>\n\n\n<li class=\"mhh-mcn-list-item mhh-mcn-v2-list-item\">\n    Si la tumeur se d\u00e9veloppe dans les glandes mammaires (lobes), il s\u2019agira d\u2019un <strong>cancer lobulaire<\/strong>    <\/li>\n\n<\/ul>\n\n\n<div class=\"mhh-mcn-columns mhh-mcn-v1-columns--5a25905e4277ca910a34774340117cb7 mhh-mcn-v1-columns mhh-mcn-columns--gutter-s\">\n    <div class=\"mhh-mcn-columns-inner\">\n        \n<div class=\"mhh-mcn-v1-column mhh-mcn-v1-column--f8f7b445ba439567eb9deaebc2623155 mhh-mcn-column mhh-mcn-column--12 mhh-mcn-column--m-6 mhh-mcn-column--l-6\">\n    \n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"965\" height=\"291\" src=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/milk_duct.png\" alt=\"\" class=\"wp-image-77453\" style=\"width:483px;height:146px\" srcset=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/milk_duct.png 965w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/milk_duct.png?resize=300,90 300w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/milk_duct.png?resize=768,232 768w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/milk_duct.png?resize=320,96 320w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/milk_duct.png?resize=120,36 120w\" sizes=\"auto, (max-width: 965px) 100vw, 965px\" \/><\/figure>\n\n<\/div>\n\n\n<div class=\"mhh-mcn-v1-column mhh-mcn-v1-column--9b8b1b84c812db733c0559f3a892a5e4 mhh-mcn-column mhh-mcn-column--12 mhh-mcn-column--m-6 mhh-mcn-column--l-6\">\n    \n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"965\" height=\"291\" src=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/lobules.png\" alt=\"\" class=\"wp-image-77454\" style=\"width:483px;height:146px\" srcset=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/lobules.png 965w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/lobules.png?resize=300,90 300w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/lobules.png?resize=768,232 768w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/lobules.png?resize=320,96 320w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/lobules.png?resize=120,36 120w\" sizes=\"auto, (max-width: 965px) 100vw, 965px\" \/><\/figure>\n\n<\/div>\n\n    <\/div>\n\n    <\/div>\n\n\n\n<p dir=\"ltr\" lang=\"en-US\" class=\"has-text-color has-object-object-font-size   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--aaf4aaec39720381d7f7f255dac30f93 wp-block-paragraph\" style=\"color:#ffa1aa\">2 \u2013 Le statut invasif de la tumeur<\/p>\n\n\n\n<p class=\"mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--c81aa28fb9ed23b67a9709d45c93c277 wp-block-paragraph\" dir=\"ltr\" lang=\"en-US\">Lorsque les cellules commencent \u00e0 prolif\u00e9rer, elles peuvent former une tumeur b\u00e9nigne ou maligne :<\/p>\n\n\n\n<ul class=\"mhh-mcn-v2-clist mhh-mcn-v2-clist--6237f149e3380aeb109976e5ef5c48ad mhh-mcn-list mhh-mcn-v2-clist--unordered mhh-mcn-v2-clist--unordered-line\" dir=\"ltr\" lang=\"en-US\" start=\"1\">\n    \n<li class=\"mhh-mcn-list-item mhh-mcn-v2-list-item\">\n    Les tumeurs b\u00e9gnines formeront un kyste mais ne s\u2019\u00e9tendront pas aux autres tissus environnants ou lointains. On parlera alors de <strong>cancer non-invasif<\/strong>.    <\/li>\n\n\n<li class=\"mhh-mcn-list-item mhh-mcn-v2-list-item\">\n    Lors que la tumeur est form\u00e9e de cellules qui, en se multipliant, s\u2019\u00e9tendent aux tissus mammaires environnants et\/ou \u00e0 d\u2019autres organes du corps, on parle alors de <strong>cancer du sein invasif<\/strong>    <\/li>\n\n<\/ul>\n\n\n<div class=\"mhh-mcn-columns mhh-mcn-v1-columns--19d8deb2f92a27c8585d27132344e7e9 mhh-mcn-v1-columns mhh-mcn-columns--gutter-custom\">\n    <div class=\"mhh-mcn-columns-inner\">\n        \n<div class=\"mhh-mcn-v1-column mhh-mcn-v1-column--94b1a0c22e148a70ee95764eb20c8a16 mhh-mcn-column mhh-mcn-column--12 mhh-mcn-column--m-6 mhh-mcn-column--l-6\">\n    \n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1044\" height=\"439\" src=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/ducts.png\" alt=\"\" class=\"wp-image-77455\" srcset=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/ducts.png 1044w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/ducts.png?resize=300,126 300w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/ducts.png?resize=768,323 768w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/ducts.png?resize=1024,431 1024w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/ducts.png?resize=320,135 320w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/ducts.png?resize=120,50 120w\" sizes=\"auto, (max-width: 1044px) 100vw, 1044px\" \/><\/figure>\n\n<\/div>\n\n\n<div class=\"mhh-mcn-v1-column mhh-mcn-v1-column--b8bb888ce6b002c274057453e8a4a24a mhh-mcn-column mhh-mcn-column--12 mhh-mcn-column--m-6 mhh-mcn-column--l-6\">\n    \n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1044\" height=\"439\" src=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/lobules_2.png\" alt=\"\" class=\"wp-image-77456\" srcset=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/lobules_2.png 1044w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/lobules_2.png?resize=300,126 300w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/lobules_2.png?resize=768,323 768w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/lobules_2.png?resize=1024,431 1024w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/lobules_2.png?resize=320,135 320w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/lobules_2.png?resize=120,50 120w\" sizes=\"auto, (max-width: 1044px) 100vw, 1044px\" \/><\/figure>\n\n<\/div>\n\n    <\/div>\n\n    <\/div>\n\n\n\n<p dir=\"ltr\" lang=\"en-US\" class=\"has-text-color has-object-object-font-size   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--ade5a6c80dc5db6de2e6d06134d0e5bc wp-block-paragraph\" style=\"color:#ffa1aa\">3 \u2013 Le statut des r\u00e9cepteurs hormonaux de la tumeur<\/p>\n\n\n\n<p class=\"mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--16843bc324424c668e8c728996ce6f53 wp-block-paragraph\" dir=\"ltr\" lang=\"en-US\">On classe ensuite le cancer selon le fait que les cellules de la tumeur expriment ou non des r\u00e9cepteurs hormonaux, sorte de petites \u00ab prises \u00bb auxquelles les hormones f\u00e9minines \u0153strog\u00e8ne et\/ou progest\u00e9rone peuvent venir se brancher pour stimuler la croissance du cancer.<\/p>\n\n\n\n<ul class=\"mhh-mcn-v2-clist mhh-mcn-v2-clist--d046f26a4f6186027e5941258955f78f mhh-mcn-list mhh-mcn-v2-clist--unordered mhh-mcn-v2-clist--unordered-line\" dir=\"ltr\" lang=\"en-US\" start=\"1\">\n    \n<li class=\"mhh-mcn-list-item mhh-mcn-v2-list-item\">\n    <strong>Cancer hormono-sensible<\/strong> (ou hormono-d\u00e9pendant) : Dans ce cas, la croissance de la tumeur a \u00e9t\u00e9 stimul\u00e9e par les hormones f\u00e9minines oestrog\u00e8ne et\/ou progest\u00e9rone. C\u2019est la forme de cancer du sein la plus fr\u00e9quente, elle repr\u00e9sente dans l\u2019ensemble environ 2\/3 des cancers du sein. Cette forme de cancer est plus fr\u00e9quente apr\u00e8s la m\u00e9nopause mais peut survenir \u00e0 tout \u00e2ge.    <\/li>\n\n\n<li class=\"mhh-mcn-list-item mhh-mcn-v2-list-item\">\n    <strong>Cancer HER2-Positif<\/strong> : HER2 est une prot\u00e9ine qui joue un r\u00f4le important dans la croissance et la division des cellules mammaires normales. Lorsqu\u2019un cancer du sein est class\u00e9 \u00ab HER2-Positif \u00bb, le r\u00e9cepteur, la petite \u00ab prise \u00bb, propre \u00e0 HER2 est pr\u00e9sent en trop grande quantit\u00e9 \u00e0 la surface de la cellule et il est g\u00e9n\u00e9ralement suractiv\u00e9 (\u00ab survolt\u00e9 \u00bb). Les prot\u00e9ines HER2 viendront alors se brancher en masser \u00e0 la cellule canc\u00e9reuse, boostant ainsi sa croissance. C\u2019est une caract\u00e9ristique que l\u2019on peut retrouver les chez cancers hormono-sensibles ou pas.    <\/li>\n\n\n<li class=\"mhh-mcn-list-item mhh-mcn-v2-list-item\">\n    <strong>Le Cancer du sein triple n\u00e9gatif (ou CSTN\/TNBC)<\/strong> : les cellules canc\u00e9reuses d\u2019un CSTN n\u2019expriment ni les r\u00e9cepteurs hormonaux ni les r\u00e9cepteurs HER2. Le cancer du sein triple n\u00e9gatif est d\u00e9fini plus en d\u00e9tails dans la section ci-dessous.    <\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading  has-gray-700-color has-text-color mhh-mcn-v1-heading--center mhh-mcn-v1-heading mhh-mcn-v1-heading--4db31f0fb7501b04be4f5c5cf7e6f81a\"><em>Qu\u2019est-ce que le TNBC ou CSTN ?<sup>2,3<\/sup><\/em><\/h2>\n\n\n\n<p class=\"mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--ca62c7f7f9b89f3d3010f11b84fa2dad wp-block-paragraph\" dir=\"ltr\" lang=\"en-US\">Le cancer du sein triple n\u00e9gatif (CSTN ou encore souvent appel\u00e9 TNBC : triple negative breast cancer) est un <strong>sous-type de cancer du sein<\/strong> qui repr\u00e9sente 10 \u00e0 15% des diagnostics. Il s\u2019agit d\u2019une forme de cancer du sein qui pr\u00e9sente un risque plus \u00e9lev\u00e9 de maladie grave, notamment car il se d\u00e9veloppe rapidement.<\/p>\n\n\n<div class=\"mhh-mcn-columns mhh-mcn-v1-columns--3d2543438daae3b103f71bb70e846e5d mhh-mcn-v1-columns mhh-mcn-columns--gutter-m\">\n    <div class=\"mhh-mcn-columns-inner\">\n        \n<div class=\"mhh-mcn-v1-column mhh-mcn-v1-column--23b75c5746f48e12c20e8f7f7b018543 mhh-mcn-column mhh-mcn-column--12 mhh-mcn-column--m-8 mhh-mcn-column--l-8\">\n    \n\n<p class=\"mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--6f24c9cbdbb95e1e828ae847f26eb7bf wp-block-paragraph\" dir=\"ltr\" lang=\"en-US\">Si la plupart des cancers du sein touchent des femmes \u00e2g\u00e9es de 60 ans et plus, le triple n\u00e9gatif est souvent diagnostiqu\u00e9 chez des femmes plus jeunes, de moins de 40 ans.<\/p>\n\n\n\n<p class=\"mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--afb5791ee6ad83f8ef374d817ac863f4 wp-block-paragraph\" dir=\"ltr\" lang=\"en-US\">Le cancer du sein triple n\u00e9gatif doit son nom au fait qu\u2019il <strong>ne pr\u00e9sente aucun des 3 r\u00e9cepteurs <\/strong>g\u00e9n\u00e9ralement associ\u00e9s aux cellules canc\u00e9reuses dans le sein :<\/p>\n\n\n\n<ul class=\"mhh-mcn-v2-clist mhh-mcn-v2-clist--f94684f440f920e1a39241f1fbbd2c03 mhh-mcn-list mhh-mcn-v2-clist--unordered mhh-mcn-v2-clist--unordered-line\" dir=\"ltr\" lang=\"en-US\" start=\"1\">\n    \n<li class=\"mhh-mcn-list-item mhh-mcn-v2-list-item\">\n    Les deux types de r\u00e9cepteurs hormonaux (oestrog\u00e8ne et progest\u00e9rone)    <\/li>\n\n\n<li class=\"mhh-mcn-list-item mhh-mcn-v2-list-item\">\n    Les r\u00e9cepteurs HER2    <\/li>\n\n<\/ul>\n\n\n\n<p class=\"mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--1fade2a32dce12a6278213594f625766 wp-block-paragraph\" dir=\"ltr\" lang=\"en-US\">Ces absences limitent les possibilit\u00e9s de traitement, car il existe plusieurs th\u00e9rapies qui visent ces r\u00e9cepteurs pour stopper ou limiter la croissance des cellules canc\u00e9reuses. Il existe notamment des th\u00e9rapies anti-hormonales pour les cancers hormono-sensibles ainsi que des th\u00e9rapies cibl\u00e9es HER2 pour les cancers HER2-positifs. Ceux-ci ne pourront donc pas \u00eatre utilis\u00e9s dans le cas d\u2019un cancer du sein triple n\u00e9gatif.<\/p>\n\n<\/div>\n\n\n<div class=\"mhh-mcn-v1-column mhh-mcn-v1-column--98da1cee3688bff4ee813c83ad7174ac mhh-mcn-column mhh-mcn-column--12 mhh-mcn-column--m-4 mhh-mcn-column--l-4\">\n    \n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"289\" height=\"810\" src=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/cellules.png\" alt=\"\" class=\"wp-image-77457\" style=\"width:217px;height:608px\" srcset=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/cellules.png 289w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/cellules.png?resize=107,300 107w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/cellules.png?resize=120,336 120w\" sizes=\"auto, (max-width: 289px) 100vw, 289px\" \/><\/figure>\n\n<\/div>\n\n    <\/div>\n\n    <\/div>\n\n\n\n<p dir=\"ltr\" lang=\"en-US\" class=\"mhh-mcn-v1-paragraph--center  mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--be013b20dee08d4cc70d831107ae7fdc wp-block-paragraph\"><strong>Il existe cependant d\u2019autres options de traitement pour ce type de cancer.<\/strong><br><strong>N\u2019h\u00e9sitez pas \u00e0 en parler avec votre m\u00e9decin si ce sujet vous inqui\u00e8te.<\/strong><\/p>\n\n\n<div class=\"mhh-mcn-v1-content-items mhh-mcn-v1-content-items--08b02fb703542818bd8ebbf5b7363230 wp-block-mconnect-theme-curated-content mhh-mcn-layout--columns mhh-mcn-columns mhh-mcn-v1-columns--425c04ad4b52b5c431d66658151e53ae mhh-mcn-v1-columns mhh-mcn-columns--gutter-m\">\n    <div class=\"mhh-mcn-columns-inner\">\n        <div\n    class=\"mhh-mcn-column mhh-mcn-column--12 mhh-mcn-column--m-6 mhh-mcn-column--l-6 mhh-mcn-v1-content-item mhh-mcn-v1-content-item--14928764b0a36555c030c156045c3f9b mhh-mcn-v1-content-item--type-therapeutic-area mhh-mcn-v1-content-item--card-style mhh-mcn-v1-content-item--display-media-style mhh-mcn-v1-content-item--has-featured-image\">\n    <div class=\"mhh-mcn-v1-content-item-featured-image\">\n    <figure class=\"mhh-mcn-v1-image mhh-mcn-v1-image--7b534c9d8127a6e07391005c55d3a4cc with-aspect-ratio with-aspect-ratio--content-grid\">\n    <div class=\"figure-outer\">\n    <div class=\"figure-inner\">\n                            <img decoding=\"async\"\n        class=\"mhh-mcn-image mhh-mcn-image--2048x2048 wp-image-77574\"\n        src=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/auto-palpation-reguliere-de-la-poitrine-card.jpg?w=1000&#038;quality=80&#038;lossy=1\"\n        width=\"1000\"\n        height=\"824\"\n        loading=\"lazy\"        alt=\"\"\n            \/>\n                <\/div>\n    <\/div>\n    <\/figure>\n<\/div>\n\n<article class=\"mhh-mcn-v1-content-item-content\">\n    <section class=\"mhh-mcn-v1-content-item-content-body\">\n                <header class=\"mhh-mcn-v1-content-item-header\">\n    \n    <span class=\"mhh-mcn-v1-content-item-icon-type mhh-mcn-v1-content-item-icon-type--therapeutic-area\">\n    <span class=\"mhh-mcn-v1-content-item-icon-type__icon\">\n    \n<svg width=\"1em\" height=\"1em\" class=\"mh-icon mh-icon--kind-generic mh-icon--name-arrow-right mh-icon--arrow-right\" role=\"img\" aria-hidden=\"true\">\n    \n    \n    <use xlink:href=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/themes\/cex-wpvip-mhh-mconnect-theme-new-3.0\/modules\/icons\/resources\/icons\/svg\/generic\/arrow-right.svg#arrow-right\"><\/use>\n<\/svg>\n    <\/span>\n    <\/span>\n    <h2 class=\"mhh-mcn-v1-content-item-title mhh-mcn-v1-content-item-title--c06ec76831703497d2b89abb588910eb\">\n    \n    <a class=\"mhh-mcn-v1-content-item-title__link\" href=\"https:\/\/www.msdconnect.be\/fr\/therapeutic-areas\/auto-palpation-reguliere-de-la-poitrine\/\" target=\"_self\">\n        Auto-palpation r\u00e9guli\u00e8re de la poitrine    <\/a>\n    <\/h2>\n\n    <\/header>\n\n                \n<div class=\"mhh-mcn-v1-content-item-meta mhh-mcn-badge-container\">\n    \n    \n    <span class=\"mhh-mcn-badge mhh-mcn-badge--flat mhh-mcn-badge--time-to-read\">\n    \n<svg width=\"1em\" height=\"1em\" class=\"mh-icon mh-icon--kind-generic mh-icon--name-watch mh-icon--watch\" role=\"img\" aria-labelledby=\"mh-icon-6ae7e2679c902-time_to_read\" aria-hidden=\"false\">\n            <title id=\"mh-icon-6ae7e2679c902-time_to_read\">\n            time to read        <\/title>\n    \n    \n    <use xlink:href=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/themes\/cex-wpvip-mhh-mconnect-theme-new-3.0\/modules\/icons\/resources\/icons\/svg\/generic\/watch.svg#watch\"><\/use>\n<\/svg>\n    3 min read<\/span>\n<\/div>\n    <\/section>\n    <div class=\"mhh-mcn-v1-content-item-footer\">\n    \n    <div class=\"mhh-mcn-v1-content-item-call-to-action mhh-mcn-v1-content-item-call-to-action--c06ec76831703497d2b89abb588910eb\">\n    Lire plus<\/div>\n\n    <\/div>\n<\/article>\n<\/div>\n<div\n    class=\"mhh-mcn-column mhh-mcn-column--12 mhh-mcn-column--m-6 mhh-mcn-column--l-6 mhh-mcn-v1-content-item mhh-mcn-v1-content-item--7b91ef2df3f3f34bc61b2f60c63db533 mhh-mcn-v1-content-item--type-therapeutic-area mhh-mcn-v1-content-item--card-style mhh-mcn-v1-content-item--display-media-style mhh-mcn-v1-content-item--has-featured-image\">\n    <div class=\"mhh-mcn-v1-content-item-featured-image\">\n    <figure class=\"mhh-mcn-v1-image mhh-mcn-v1-image--110962b046b83d0444e8e7143d93ee6e with-aspect-ratio with-aspect-ratio--content-grid\">\n    <div class=\"figure-outer\">\n    <div class=\"figure-inner\">\n                            <img decoding=\"async\"\n        class=\"mhh-mcn-image mhh-mcn-image--2048x2048 wp-image-77575\"\n        src=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/les-facteurs-de-risque-card.jpg?w=1000&#038;quality=80&#038;lossy=1\"\n        width=\"1000\"\n        height=\"824\"\n        loading=\"lazy\"        alt=\"\"\n            \/>\n                <\/div>\n    <\/div>\n    <\/figure>\n<\/div>\n\n<article class=\"mhh-mcn-v1-content-item-content\">\n    <section class=\"mhh-mcn-v1-content-item-content-body\">\n                <header class=\"mhh-mcn-v1-content-item-header\">\n    \n    <span class=\"mhh-mcn-v1-content-item-icon-type mhh-mcn-v1-content-item-icon-type--therapeutic-area\">\n    <span class=\"mhh-mcn-v1-content-item-icon-type__icon\">\n    \n<svg width=\"1em\" height=\"1em\" class=\"mh-icon mh-icon--kind-generic mh-icon--name-arrow-right mh-icon--arrow-right\" role=\"img\" aria-hidden=\"true\">\n    \n    \n    <use xlink:href=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/themes\/cex-wpvip-mhh-mconnect-theme-new-3.0\/modules\/icons\/resources\/icons\/svg\/generic\/arrow-right.svg#arrow-right\"><\/use>\n<\/svg>\n    <\/span>\n    <\/span>\n    <h2 class=\"mhh-mcn-v1-content-item-title mhh-mcn-v1-content-item-title--c06ec76831703497d2b89abb588910eb\">\n    \n    <a class=\"mhh-mcn-v1-content-item-title__link\" href=\"https:\/\/www.msdconnect.be\/fr\/therapeutic-areas\/auto-palpation-reguliere-de-la-poitrine\/les-facteurs-de-risque\/\" target=\"_self\">\n        Les facteurs de risque    <\/a>\n    <\/h2>\n\n    <\/header>\n\n                \n<div class=\"mhh-mcn-v1-content-item-meta mhh-mcn-badge-container\">\n    \n    \n    <span class=\"mhh-mcn-badge mhh-mcn-badge--flat mhh-mcn-badge--time-to-read\">\n    \n<svg width=\"1em\" height=\"1em\" class=\"mh-icon mh-icon--kind-generic mh-icon--name-watch mh-icon--watch\" role=\"img\" aria-labelledby=\"mh-icon-6ae7e267a0a0e-time_to_read\" aria-hidden=\"false\">\n            <title id=\"mh-icon-6ae7e267a0a0e-time_to_read\">\n            time to read        <\/title>\n    \n    \n    <use xlink:href=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/themes\/cex-wpvip-mhh-mconnect-theme-new-3.0\/modules\/icons\/resources\/icons\/svg\/generic\/watch.svg#watch\"><\/use>\n<\/svg>\n    2 min read<\/span>\n<\/div>\n    <\/section>\n    <div class=\"mhh-mcn-v1-content-item-footer\">\n    \n    <div class=\"mhh-mcn-v1-content-item-call-to-action mhh-mcn-v1-content-item-call-to-action--c06ec76831703497d2b89abb588910eb\">\n    Lire plus<\/div>\n\n    <\/div>\n<\/article>\n<\/div>\n    <\/div>\n\n    <\/div>\n\n\n<div class=\"mhh-mcn-columns mhh-mcn-v1-columns--1fe51476be486bf9f6e374b51ad638f1 mhh-mcn-v1-columns mhh-mcn-columns--gutter-m\">\n    <div class=\"mhh-mcn-columns-inner\">\n        \n<div class=\"mhh-mcn-v1-column mhh-mcn-v1-column--dbfc0699b976314d7aae922a0bfd1e26 mhh-mcn-column mhh-mcn-column--12 mhh-mcn-column--m-6 mhh-mcn-column--l-6\">\n    \n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"733\" height=\"483\" src=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/partager-a-vos-amies_fr.png\" alt=\"\" class=\"wp-image-77437\" srcset=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/partager-a-vos-amies_fr.png 733w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/partager-a-vos-amies_fr.png?resize=300,198 300w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/partager-a-vos-amies_fr.png?resize=320,211 320w, https:\/\/www.msdconnect.be\/fr\/wp-content\/uploads\/sites\/15\/2023\/10\/partager-a-vos-amies_fr.png?resize=120,79 120w\" sizes=\"auto, (max-width: 733px) 100vw, 733px\" \/><\/figure>\n\n<\/div>\n\n\n<div class=\"mhh-mcn-v1-column mhh-mcn-v1-column--a3d8e87cb6d97c8da00dd408900219f8 mhh-mcn-column mhh-mcn-column--12 mhh-mcn-column--m-6 mhh-mcn-column--l-6\">\n    \n\n<div style=\"height:79px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"mhh-mcn-v1-links mhh-mcn-v1-links--justified-center mhh-mcn-v1-links--ac591478b9c0ac3893de451f50575376\">\n    <a class=\"mhh-mcn-v1-link mhh-mcn-v1-link--left mhh-mcn-v1-link--de772135dd1699d77b8f44bea7a04ee9 mhh-mcn-v1-link--is-variation mhh-mcn-v1-link--button-custom\" href=\"https:\/\/www.msdconnect.be\/fr\/therapeutic-areas\/auto-palpation-reguliere-de-la-poitrine\/les-facteurs-de-risque\/\" target=\"_self\">\n                    <span class=\"mhh-mcn-v1-link__label\">Partager !<\/span>\n                <\/a><\/div>\n\n<\/div>\n\n    <\/div>\n\n    <\/div>\n\n\n<div class=\"mhh-mcn-v1-accordion mhh-mcn-v1-accordion--20181e411067b210d3b8463c85b1ba1b mhh-mcn-v1-accordion--default\" data-configuration=\"{&quot;variation&quot;:&quot;default&quot;,&quot;speed&quot;:0,&quot;hasFirstItemExpanded&quot;:false}\"        >\n    \n\n<section\n    id=\"accordion-6ae7e267a1b1b\"\n    class=\"mhh-mcn-v1-accordion-molecule mhh-mcn-v1-accordion-molecule--615cc390a55cf26c8aac42912e94b825 mhh-mcn-v1-accordion-molecule--closed\"\n            >\n    <h4\n        id=\"accordion-6ae7e267a1b1b-header\"\n        class=\"mhh-mcn-v1-accordion-molecule-header\"\n    >\n        <button\n            class=\"mhh-mcn-v1-accordion-molecule-header__heading\"\n            aria-expanded=\"false\"\n            aria-controls=\"accordion-6ae7e267a1b1b-content\"\n        >\n                        <span class=\"mhh-mcn-v1-accordion-molecule-header__title\">\n                Abr\u00e9viations            <\/span>\n            <span class=\"mhh-mcn-v1-accordion-molecule-header__icon-dropdown\" aria-hidden=\"true\">\n                \n<svg width=\"1em\" height=\"1em\" class=\"mh-icon mh-icon--kind-generic mh-icon--name-dropdown-arrow mh-icon--dropdown-arrow\" role=\"img\" aria-hidden=\"true\">\n    \n    \n    <use xlink:href=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/themes\/cex-wpvip-mhh-mconnect-theme-new-3.0\/modules\/icons\/resources\/icons\/svg\/generic\/dropdown-arrow.svg#dropdown-arrow\"><\/use>\n<\/svg>\n            <\/span>\n        <\/button>\n    <\/h4>\n    <div\n        id=\"accordion-6ae7e267a1b1b-content\"\n        class=\"mhh-mcn-v1-accordion-molecule-content\"\n        role=\"region\"\n        aria-labelledby=\"accordion-6ae7e267a1b1b-header\"\n    >\n        <div class=\"mhh-mcn-v1-accordion-molecule-content__body\">\n            \n\n<p class=\"mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--2d2469a45ca0503974a19255dd0a4430 wp-block-paragraph\" dir=\"ltr\" lang=\"en-US\">CSTN: Cancer du sein triple n\u00e9gatif, TNBC: Triple negative breast cancer, HER2: Human Epidermal Growth Factor Receptor 2<\/p>\n\n        <\/div>\n    <\/div>\n<\/section>\n\n\n\n<section\n    id=\"accordion-6ae7e267a1ffa\"\n    class=\"mhh-mcn-v1-accordion-molecule mhh-mcn-v1-accordion-molecule--ebb16b1eb404126532be541d52a6d35c mhh-mcn-v1-accordion-molecule--closed\"\n            >\n    <h4\n        id=\"accordion-6ae7e267a1ffa-header\"\n        class=\"mhh-mcn-v1-accordion-molecule-header\"\n    >\n        <button\n            class=\"mhh-mcn-v1-accordion-molecule-header__heading\"\n            aria-expanded=\"false\"\n            aria-controls=\"accordion-6ae7e267a1ffa-content\"\n        >\n                        <span class=\"mhh-mcn-v1-accordion-molecule-header__title\">\n                R\u00e9f\u00e9rences            <\/span>\n            <span class=\"mhh-mcn-v1-accordion-molecule-header__icon-dropdown\" aria-hidden=\"true\">\n                \n<svg width=\"1em\" height=\"1em\" class=\"mh-icon mh-icon--kind-generic mh-icon--name-dropdown-arrow mh-icon--dropdown-arrow\" role=\"img\" aria-hidden=\"true\">\n    \n    \n    <use xlink:href=\"https:\/\/www.msdconnect.be\/fr\/wp-content\/themes\/cex-wpvip-mhh-mconnect-theme-new-3.0\/modules\/icons\/resources\/icons\/svg\/generic\/dropdown-arrow.svg#dropdown-arrow\"><\/use>\n<\/svg>\n            <\/span>\n        <\/button>\n    <\/h4>\n    <div\n        id=\"accordion-6ae7e267a1ffa-content\"\n        class=\"mhh-mcn-v1-accordion-molecule-content\"\n        role=\"region\"\n        aria-labelledby=\"accordion-6ae7e267a1ffa-header\"\n    >\n        <div class=\"mhh-mcn-v1-accordion-molecule-content__body\">\n            \n\n<ol class=\"mhh-mcn-v2-clist mhh-mcn-v2-clist--13368d74af39cf98d5430f4edfdb5d82 mhh-mcn-list mhh-mcn-v2-clist--ordered mhh-mcn-v2-clist--ordered-decimal\" dir=\"ltr\" lang=\"en-US\" start=\"1\">\n    \n<li class=\"mhh-mcn-list-item mhh-mcn-v2-list-item\">\n    European Society for Medical Oncology: guides for patients. Breast cancer guide. Available at <a href=\"https:\/\/www.esmo.org\/for-patients\/patients-guides\/breast-cancer\" target=\"_blank\" rel=\"noreferrer noopener\">www.esmo.org\/for-patients\/patients-guides\/breast-cancer<\/a>. Last accessed 09\/23    <\/li>\n\n\n<li class=\"mhh-mcn-list-item mhh-mcn-v2-list-item\">\n    American Cancer Society: Triple-Negative breast Breast Cancer. <a href=\"https:\/\/www.cancer.org\/cancer\/breast-cancer\/about\/types-of-breast-cancer\/triple-negative.html\" target=\"_blank\" rel=\"noreferrer noopener\">www.cancer.org\/cancer\/breast-cancer\/about\/types-of-breast-cancer\/triple-negative.html<\/a>. Last accessed 09\/23.    <\/li>\n\n\n<li class=\"mhh-mcn-list-item mhh-mcn-v2-list-item\">\n    Graph adapted from National Cancer Institute. <a href=\"https:\/\/www.cancer.gov\/\" target=\"_blank\" rel=\"noreferrer noopener\">www.cancer.gov\/<\/a>. Last accessed 09\/23.    <\/li>\n\n<\/ol>\n\n        <\/div>\n    <\/div>\n<\/section>\n\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019Anatomie du Sein1 Afin de mieux comprendre le cancer du sein, il convient d\u2019en conna\u00eetre son anatomie. 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