{"id":78120,"date":"2023-08-28T22:03:15","date_gmt":"2023-08-28T22:03:15","guid":{"rendered":"https:\/\/www.msdconnect.be\/nl\/?post_type=therapeutic-area&#038;p=78120"},"modified":"2026-03-31T12:33:26","modified_gmt":"2026-03-31T12:33:26","slug":"blaaskanker","status":"publish","type":"therapeutic-area","link":"https:\/\/www.msdconnect.be\/nl\/therapeutic-areas\/immunotherapie-voor-de-behandeling-van-urogenitale-kankers\/urogenitale-kankers\/blaaskanker\/","title":{"rendered":"Blaaskanker"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" height=\"415\" width=\"1024\" src=\"https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/08\/Image-04.png?w=1024\" alt=\"\" class=\"wp-image-78122\" srcset=\"https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/08\/Image-04.png 1608w, https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/08\/Image-04.png?resize=300,122 300w, https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/08\/Image-04.png?resize=768,311 768w, https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/08\/Image-04.png?resize=1024,415 1024w, https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/08\/Image-04.png?resize=1536,623 1536w, https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/08\/Image-04.png?resize=320,130 320w, https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/08\/Image-04.png?resize=120,49 120w, https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/08\/Image-04.png?resize=1400,568 1400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading  has-border-color has-has-red-border-color-border-color mhh-mcn-v1-heading--center mhh-mcn-v1-heading mhh-mcn-v1-heading--90405e04903af28ec42dc39b1b49ecc1\"><mark class=\"has-inline-color has-grey-color\"><em>Ter herinnering: de blaas is een orgaan dat dient om urine op te slaan. Vanuit de nieren stroomt de urine via het nierbekken en de urineleiders naar de blaas. Vervolgens wordt ze afgevoerd via de urinebuis.<sup>14<\/sup><\/em><\/mark><\/h3>\n\n\n\n<h2 class=\"wp-block-heading has-border-color has-has-red-border-color-border-color  mhh-mcn-v1-heading mhh-mcn-v1-heading--bfb76197aca3a51bd38dba87fe3ce15d\">De meest voorkomende kanker: het urotheelcarcinoom<sup>15<\/sup><\/h2>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--3d4d3ff108bb2f2b6fccd8117bde1510\">Bij blaaskanker zijn de cellen in de binnenwand van de blaas aangetast. Aan de basis ligt een normale cel die muteert en zich vervolgens ongecontroleerd vermenigvuldigt tot een tumor ontstaat.&nbsp;De meest voorkomende kwaadaardige tumor ontwikkelt zich in&nbsp;<strong>het urotheel<\/strong> (slijmvlies van de urinewegen). In&nbsp;<strong>ruim<\/strong>&nbsp;<strong>90% van de blaaskankergevallen<\/strong>&nbsp;gaat het om deze vorm.&nbsp;<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--2e99d7cb389e182e9412c67ddadba34c\">De andere (zeldzame) vormen van blaaskanker zijn plaveiselcelcarcinomen en adenocarcinomen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-border-color has-has-red-border-color-border-color  mhh-mcn-v1-heading mhh-mcn-v1-heading--030e8eb5d63fa6dabf7b9353da56dd82\">Verschillende vormen en stadia<sup>15<\/sup><\/h2>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--699fe0b6580430effedf77ce5e3546b2\">Bij urotheelcarcinomen wordt een onderscheid gemaakt tussen tumoren die&nbsp;<strong>niet&nbsp;<\/strong>tot in de blaasspier&nbsp;<strong>doordringen&nbsp;<\/strong>(oppervlakkige tumoren) en tumoren die wel tot in deze spier doorgroeien, de zogenaamde&nbsp;<strong>invasieve<\/strong>&nbsp;tumoren.&nbsp;<br>Aangezien deze kanker het slijmvlies van alle urinewegen kan aantasten, is het bovendien mogelijk dat er tumoren op&nbsp;<strong>verschillende plaatsen<\/strong>&nbsp;tegelijk ontstaan. Dat is het geval voor 10% van de blaaskankerpati\u00ebnten.&nbsp;<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--12de760a8cad907f45b659e2651bb74f\">Afhankelijk van de plaats en de verspreiding van de kanker worden 5 stadia gedefinieerd:<sup>15<\/sup><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" height=\"1024\" width=\"725\" src=\"https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/02\/Stades-vessie_NL.jpg?w=725\" alt=\"\" class=\"wp-image-59597\" srcset=\"https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/02\/Stades-vessie_NL.jpg 1304w, https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/02\/Stades-vessie_NL.jpg?resize=212,300 212w, https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/02\/Stades-vessie_NL.jpg?resize=768,1085 768w, https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/02\/Stades-vessie_NL.jpg?resize=725,1024 725w, https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/02\/Stades-vessie_NL.jpg?resize=1087,1536 1087w, https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/02\/Stades-vessie_NL.jpg?resize=320,452 320w, https:\/\/www.msdconnect.be\/nl\/wp-content\/uploads\/sites\/34\/2023\/02\/Stades-vessie_NL.jpg?resize=120,170 120w\" sizes=\"auto, (max-width: 725px) 100vw, 725px\" \/><\/figure>\n\n\n\n<section class=\"wp-block-mconnect-theme-section has-light-grey-background-color has-background sub__entry__content wp-block-mconnect-theme-section--align-full has-red-border-color\">\n\t<div class=\"mhh-mcn-container\">\n\t\t\n\n<h2 class=\"wp-block-heading has-border-color has-has-red-border-color-border-color  mhh-mcn-v1-heading mhh-mcn-v1-heading--44b1a92e11be8e3a01d5a76dfcd3c99e\">De behandelingsopties<sup>16<\/sup><\/h2>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--8687ca29a06eb85bac42cea83a1e3868\">De behandelingen worden gekozen op basis van de situatie, de specifieke kenmerken van elke pati\u00ebnt met andere woorden. Meerdere artsen met verschillende specialisaties (uroloog, radioloog, nierspecialist, patholoog, medisch oncoloog, huisarts enz.) komen bijeen om de best mogelijke behandelingen voor het individu in kwestie te bespreken.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--7ef626ecadfa86f803e8b6f82fee3116\">De meest gekozen behandelingen (alleen of gecombineerd) bij blaaskanker zijn de volgende:<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color mhh-mcn-v1-paragraph--center  mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--08d38c085ce043da47826e7a6b84ee9f\"><sub>*immunotherapie op basis van verzwakte tuberculosebacillen<\/sub><\/p>\n\n    <\/div>\n<\/section>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-primary\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.msdconnect.be\/nl\/products\/keytruda-in-genitourinary-cancers\/\">Ik ben een arts: toegang tot beperkte inhoud<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-mconnect-theme-accordion accordion \" data-has-first-expanded=\"false\">\n\t\n\n<button class=\"wp-block-mconnect-theme-accordion-item__header accordion-header \" id=\"accordion-6a28a88883d53\" aria-controls=\"accordion-content-accordion-6a28a88883d53\" data-tracking-id=\"accordion__section-toggle\">\n\tAfkortingen<\/button>\n<div class=\"wp-block-mconnect-theme-accordion-item__content accordion-content sub__entry__content\" id=\"accordion-content-accordion-6a28a88883d53\" aria-labelledby=\"accordion-6a28a88883d53\">\n\t\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--01d53e908b8234902f92197aa6038aaf\"><strong>BCG:<\/strong> immunotherapie op basis van verzwakte tuberculosebacillen; <strong>PD-1:<\/strong> Programmed Death 1.<\/p>\n\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-mconnect-theme-accordion accordion \" data-has-first-expanded=\"false\">\n\t\n\n<button class=\"wp-block-mconnect-theme-accordion-item__header accordion-header \" id=\"accordion-6a28a88885ccb\" aria-controls=\"accordion-content-accordion-6a28a88885ccb\" data-tracking-id=\"accordion__section-toggle\">\n\tReferenties<\/button>\n<div class=\"wp-block-mconnect-theme-accordion-item__content accordion-content sub__entry__content\" id=\"accordion-content-accordion-6a28a88885ccb\" aria-labelledby=\"accordion-6a28a88885ccb\">\n\t\n\n<ol start=\"1\" class=\"wp-block-list has-border-color has-has-red-border-color-border-color\"><\/ol>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--2e7ceb4f507dd73e6602c05549458da1\">1. Belgian Cancer Registry 2020.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--438eeff8eb422eae1a4c3941fced6065\">2. Globocan 2020.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--d6957c198a442052147355da8c042976\">3. Fondation contre le cancer \u2013 Cancer du rein \u2013 g\u00e9n\u00e9ralit\u00e9s. <a href=\"https:\/\/www.cancer.be\/le-cancer\/types-de-cancers\/cancer-du-rein\">https:\/\/www.cancer.be\/le-cancer\/types-de-cancers\/cancer-du-rein<\/a>, accessed on 02\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--6c95750133c1c6f55a28bb7363a71edf\">4. Fondation contre le cancer \u2013 Cancer du rein \u2013 Sympt\u00f4mes. <a href=\"https:\/\/www.cancer.be\/les-cancers\/types-de-cancers\/cancer-du-rein\/sympt-mes\">https:\/\/www.cancer.be\/les-cancers\/types-de-cancers\/cancer-du-rein\/sympt-mes<\/a>, accessed on 02\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--d62edd81b107e90c79c04964e238aa68\">5. Fondation contre le cancer \u2013 Cancer de la vessie \u2013 g\u00e9n\u00e9ralit\u00e9s. <a href=\"https:\/\/www.cancer.be\/le-cancer\/types-de-cancers\/cancer-de-la-vessie\">https:\/\/www.cancer.be\/le-cancer\/types-de-cancers\/cancer-de-la-vessie<\/a>, accessed on 02\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--1f0df2c5c5bbf7f9e60a70946b8cdfbc\">6. Fondation contre le cancer \u2013 Cancer de la vessie \u2013 Sympt\u00f4mes. <a href=\"https:\/\/www.cancer.be\/les-cancers\/types-de-cancers\/cancer-de-la-vessie\/sympt-mes\">https:\/\/www.cancer.be\/les-cancers\/types-de-cancers\/cancer-de-la-vessie\/sympt-mes<\/a>, accessed on 02\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--83620b0f8c2cd5e064adc9e5d2308e31\">7. Cancer.net \u2013 Kidney Cancer: Introduction. <a href=\"https:\/\/www.cancer.net\/cancer-types\/kidney-cancer\/introduction\">https:\/\/www.cancer.net\/cancer-types\/kidney-cancer\/introduction<\/a>, accessed on 02\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--98a2fdc584e178d2a8d6b40080eb5ae2\">8. World Cancer Day \u2013 Qu\u2019est-ce que le cancer. <a href=\"https:\/\/www.worldcancerday.org\/fr\/quest-ce-que-le-cancer\">https:\/\/www.worldcancerday.org\/fr\/quest-ce-que-le-cancer<\/a>, accessed on 02\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--cb72738d80aad2d6dde9042e6d9a71c0\">9. Soci\u00e9t\u00e9 canadienne du cancer -Tumeurs canc\u00e9reuses du rein. <a href=\"https:\/\/cancer.ca\/fr\/cancer-information\/cancer-types\/kidney\">https:\/\/cancer.ca\/fr\/cancer-information\/cancer-types\/kidney<\/a>, accessed on 02\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--2ab03ef043edf7522cdb01408a71f8ba\">10. NCCN guidelines for patients \u2013 Kidney cancer. 2022. <a href=\"https:\/\/www.nccn.org\/patients\/guidelines\/content\/PDF\/kidney-patient.pdf\">https:\/\/www.nccn.org\/patients\/guidelines\/content\/PDF\/kidney-patient.pdf<\/a>, accessed on 02\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--118644be84ea712897ac13b82672cd52\">11. B. Escudier et al. Annals of Oncology 2019; 30: 706\u2013720.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--5ae0f6317f627fc5da52ca6c4b25f587\">12. Powles T et al. Ann Oncol 2021; 32 (Issue 12): p1511-15196.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--7cbb555d0dc60f0525370861f0db4520\">13. Alles over kanker \u2013 Radiotherapie bij nierkanker: <a href=\"https:\/\/www.allesoverkanker.be\/nierkanker\/behandeling-van-nierkanker\/radiotherapie-bij-nierkanker\">https:\/\/www.allesoverkanker.be\/nierkanker\/behandeling-van-nierkanker\/radiotherapie-bij-nierkanker<\/a> accessed on 02\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--0f6753b59724156f1839524414eeee5c\">14. Centre de lutte contre le cancer L\u00e9on Berard \u2013 Cancer de la vessie. <a href=\"https:\/\/www.cancer-environnement.fr\/fiches\/cancers\/cancer-de-la-vessie\/\">https:\/\/www.cancer-environnement.fr\/fiches\/cancers\/cancer-de-la-vessie\/<\/a>, accessed on 01\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--9ecae28bc4a77e940d4dbd636db00cf5\">15. National Cancer Institute: Stages of Bladder Cancer, <a href=\"https:\/\/www.cancer.gov\/types\/bladder\/stages\">https:\/\/www.cancer.gov\/types\/bladder\/stages<\/a>, accessed on 01\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--718cf36995a048b112f0a40051c3d448\">16. Fondation contre le cancer \u2013 Cancer de la vessie \u2013 Traitements. <a href=\"https:\/\/www.cancer.be\/les-cancers\/types-de-cancers\/cancer-de-la-vessie\/traitements\">https:\/\/www.cancer.be\/les-cancers\/types-de-cancers\/cancer-de-la-vessie\/traitements<\/a>, accessed on 01\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--a4a149ff040d569f65e09ad32e9488e8\">17. Fondation contre le cancer \u2013 Brochure: <a href=\"http:\/\/https\/\/www.cancer.be\/sites\/default\/files\/publication\/4.5.10.fr_limmunotherapie-2023-01.pdf\">https\/\/www.cancer.be\/sites\/default\/files\/publication\/4.5.10.fr_limmunotherapie-2023-01.pdf<\/a>, accessed on 02\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--b1a4b522d8136c09409b0bf7511df637\">18. The international immunogenetics information system\u00ae \u2013 Brochure: Understanding the Immune System \u2013 How It Works. <a href=\"https:\/\/www.imgt.org\/IMGTeducation\/Tutorials\/ImmuneSystem\/UK\/the_immune_system.pdf\">https:\/\/www.imgt.org\/IMGTeducation\/Tutorials\/ImmuneSystem\/UK\/the_immune_system.pdf<\/a>, accessed on 02\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--c105eef2838f6d5d77112c051aef4e15\">19. National Cancer Institute \u2013 Immune checkpoint Inhibitors. <a href=\"https:\/\/www.cancer.gov\/about-cancer\/treatment\/types\/immunotherapy\/checkpoint-inhibitors\">https:\/\/www.cancer.gov\/about-cancer\/treatment\/types\/immunotherapy\/checkpoint-inhibitors<\/a>, accessed on 02\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--793f5ad6424c738fc3697177fa7aafde\">20. Cancer research UK \u2013 Checkpoint Inhibitors. <a href=\"http:\/\/www.cancerresearchuk.org\/about-cancer\/cancer-in-general\/treatment\/immunotherapy\/types\/checkpoint-inhibitors\">www.cancerresearchuk.org\/about-cancer\/cancer-in-general\/treatment\/immunotherapy\/types\/checkpoint-inhibitors<\/a>, accessed on 02\/2023.<\/p>\n\n\n\n<p class=\"has-border-color has-has-red-border-color-border-color   mhh-mcn-v1-paragraph mhh-mcn-v1-paragraph--68a48a6a545025949a23cbda0e3fafee\">21. ESMO: Patient Guide on Immunotherapy-Related Side Effects and Their Management \u2013 <a href=\"https:\/\/www.esmo.org\/for-patients\/patient-guides\/immunotherapy-side-effects\">https:\/\/www.esmo.org\/for-patients\/patient-guides\/immunotherapy-side-effects<\/a>, accessed on 02\/2023.<\/p>\n\n<\/div>\n\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ter herinnering: de blaas is een orgaan dat dient om urine op te slaan. 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