{"id":51640,"date":"2021-10-18T05:00:06","date_gmt":"2021-10-18T10:00:06","guid":{"rendered":"https:\/\/www.partnershipagainstcancer.ca\/?post_type=topics&p=51640"},"modified":"2025-12-23T13:59:40","modified_gmt":"2025-12-23T18:59:40","slug":"stage-distribution","status":"publish","type":"topics","link":"https:\/\/www.partnershipagainstcancer.ca\/fr\/topics\/colorectal-indicators-2017-2018\/indicators\/stage-distribution\/","title":{"rendered":"R\u00e9partition des stades du cancer colorectal"},"content":{"rendered":"

Pourquoi est-ce important? <\/strong>\u2013 L\u2019un des avantages du d\u00e9pistage est de d\u00e9tecter le cancer \u00e0 un stade plus pr\u00e9coce, ce qui permet un traitement plus efficace, entra\u00eenant une r\u00e9duction de la mortalit\u00e9 et des r\u00e9sultats plus favorables. \u00c0 mesure que la participation aux programmes de d\u00e9pistage augmentera, l\u2019incidence des cancers colorectaux diagnostiqu\u00e9s \u00e0 des stades avanc\u00e9s (III et\u00a0IV), au sein de l\u2019ensemble de la population, devrait diminuer. Cet avantage du d\u00e9pistage est encore plus marqu\u00e9 lorsque les personnes continuent \u00e0 participer au programme de d\u00e9pistage apr\u00e8s l\u2019examen initial et l\u2019on s\u2019attend \u00e0 ce qu\u2019il y ait moins de cancers diagnostiqu\u00e9s \u00e0 des stades avanc\u00e9s (III et\u00a0IV) lors des d\u00e9pistages subs\u00e9quents.<\/p>\n

D\u00e9finition de l\u2019indicateur\u00a0<\/strong>: r\u00e9partition des cancers colorectaux d\u00e9tect\u00e9s, par stade TNM, lequel d\u00e9pend de la taille de la tumeur, des ganglions lymphatiques et des m\u00e9tastases<\/a><\/p>\n

Calcul de l\u2019indicateur<\/strong><\/p>\n

Num\u00e9rateur\u00a0: nombre de personnes atteintes d\u2019un cancer colorectal invasif de stade\u00a0I, II, III ou\u00a0IV<\/p>\n

D\u00e9nominateur\u00a0: nombre de personnes atteintes d\u2019un cancer colorectal invasif d\u00e9tect\u00e9 dans le cadre du programme de d\u00e9pistage, et confirm\u00e9 par pathologie lors d\u2019une coloscopie de suivi effectu\u00e9e dans les six mois ayant suivi un r\u00e9sultat de test f\u00e9cal anormal, au cours de la p\u00e9riode de mesure<\/p>\n

Comment la p\u00e9riode de 2017-2018 se compare-t-elle \u00e0 celle de 2013-2014?<\/strong> Comparativement aux donn\u00e9es du rapport sur le d\u00e9pistage du cancer colorectal pour 2013-2014, o\u00f9 les cancers de stade pr\u00e9coce (stades\u00a0I et II) repr\u00e9sentaient de 53,7 \u00e0 76,8\u00a0% de tous les cancers colorectaux d\u00e9tect\u00e9s par d\u00e9pistage, la moiti\u00e9 des territoires et provinces qui ont fourni des donn\u00e9es ont constat\u00e9 une augmentation des cancers de stade pr\u00e9coce, et l\u2019autre moiti\u00e9 une diminution.
\n<\/a><\/p>\n

R\u00e9partition des stades des cancers colorectaux invasifs, d\u00e9tect\u00e9s gr\u00e2ce au d\u00e9pistage syst\u00e9matique chez les personnes \u00e2g\u00e9es de\u00a050 \u00e0\u00a074\u00a0ans, par province et par territoire, pour les ann\u00e9es de d\u00e9pistage 2016 et\u00a02017<\/strong><\/h2>\n

\"diagramme<\/p>\n

Description textuelle et notes de bas de page<\/a><\/sub><\/p>\n

La proportion de cancers colorectaux de stade avanc\u00e9 (III et\u00a0IV), d\u00e9tect\u00e9s gr\u00e2ce au d\u00e9pistage au sein du programme, variait de\u00a028,6\u00a0% \u00e0 Terre-Neuve-et-Labrador \u00e0\u00a043,0\u00a0% en Alberta.
\n<\/a><\/p>\n

R\u00e9partition des stades des cancers colorectaux invasifs d\u00e9tect\u00e9s gr\u00e2ce au programme de d\u00e9pistage chez les personnes \u00e2g\u00e9es de\u00a050 \u00e0\u00a074\u00a0ans, pour l\u2019ensemble des provinces et des territoires, pour les tests f\u00e9caux initiaux et subs\u00e9quents, pour les ann\u00e9es de d\u00e9pistage 2016 et\u00a02017<\/strong><\/h2>\n

\"diaramme<\/p>\n

Description textuelle et notes de bas de page<\/a><\/sub><\/p>\n

Dans l\u2019ensemble des territoires de comp\u00e9tence, les tests f\u00e9caux subs\u00e9quents ont permis la d\u00e9tection d\u2019une plus grande proportion de cancers colorectaux de stade pr\u00e9coce (I et\u00a0II), par rapport aux d\u00e9pistages initiaux. Au total, 43,9\u00a0% des cancers colorectaux d\u00e9tect\u00e9s \u00e9taient \u00e0 un stade avanc\u00e9 (III et\u00a0IV) pour les tests f\u00e9caux initiaux, contre seulement\u00a035,0\u00a0% pour les tests f\u00e9caux subs\u00e9quents. \u00c0 mesure que la participation au d\u00e9pistage du cancer colorectal continuera d\u2019augmenter et que les patients seront plus nombreux \u00e0 subir des d\u00e9pistages subs\u00e9quents, on devrait observer une diminution de l\u2019incidence des cancers colorectaux diagnostiqu\u00e9s \u00e0 des stades avanc\u00e9s (III et\u00a0IV), au sein de l\u2019ensemble de la population.<\/p>\n

Consid\u00e9rations sur la COVID-19 <\/strong><\/p>\n

\"iconOn s\u2019attend \u00e0 ce que la r\u00e9partition des stades du cancer colorectal \u00e9volue en raison de la pand\u00e9mie de COVID-19, dans un contexte o\u00f9 les programmes de d\u00e9pistage d\u00e9tecteront un plus grand nombre de cancers \u00e0 des stades avanc\u00e9s au cours de la phase de r\u00e9tablissement de la pand\u00e9mie de COVID-19, la possibilit\u00e9 d\u2019une d\u00e9tection plus pr\u00e9coce ayant pu \u00eatre \u00ab manqu\u00e9e \u00bb. Les programmes de d\u00e9pistage du cancer colorectal devraient surveiller de pr\u00e8s ce changement de la r\u00e9partition des stades, afin de veiller \u00e0 ce que les patients recevant un diagnostic de cancer \u00e0 un stade avanc\u00e9 soient en mesure d\u2019acc\u00e9der rapidement \u00e0 un suivi appropri\u00e9. Cette \u00e9volution aura \u00e9galement des cons\u00e9quences sur les services de canc\u00e9rologie en aval du d\u00e9pistage, notamment une augmentation du nombre des interventions chirurgicales et des co\u00fbts th\u00e9rapeutiques.<\/p>\n","protected":false},"excerpt":{"rendered":"

Pourquoi est-ce important? \u2013 L\u2019un des avantages du d\u00e9pistage est de d\u00e9tecter le cancer \u00e0 un stade plus pr\u00e9coce, ce qui permet un traitement plus efficace, entra\u00eenant une r\u00e9duction de la mortalit\u00e9 et des r\u00e9sultats plus favorables. \u00c0 mesure que la participation aux programmes de d\u00e9pistage augmentera, l\u2019incidence des cancers colorectaux diagnostiqu\u00e9s \u00e0 des stades […]<\/p>\n","protected":false},"author":24,"featured_media":0,"parent":51630,"menu_order":4,"template":"","topics_tags":[],"type-of-care":[],"cancer-continuum":[],"cancer-system-measurement":[],"dbt-cancer-site":[],"dbt-risk-factors":[],"dbt-population-characteristics":[],"class_list":["post-51640","topics","type-topics","status-publish","hentry"],"acf":[],"yoast_head":"\nCanadian Partnership Against Cancer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.partnershipagainstcancer.ca\/fr\/topics\/colorectal-indicators-2017-2018\/indicators\/stage-distribution\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9partition des stades du cancer colorectal - 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