{"id":515084,"date":"2026-09-07T17:36:08","date_gmt":"2026-09-07T17:36:08","guid":{"rendered":"https:\/\/www.europesays.com\/pt\/515084\/"},"modified":"2026-09-07T17:36:08","modified_gmt":"2026-09-07T17:36:08","slug":"bacteria-que-causa-cancer-do-estomago-age-sem-sintomas-entenda-riscos","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/pt\/515084\/","title":{"rendered":"Bact\u00e9ria que causa c\u00e2ncer do est\u00f4mago age sem sintomas; entenda riscos"},"content":{"rendered":"<p style=\"text-align:left\" class=\"my-5 break-words group-[.isActiveSource]:text-xl\">A bact\u00e9ria Helicobacter pylori, mais conhecida como H. pylori, \u00e9 uma das <strong class=\"group-[.isActiveSource]:text-xl group-[.isActiveSource]:font-bold\">principais causas do c\u00e2ncer g\u00e1strico<\/strong> e pode permanecer durante anos no est\u00f4mago, <strong class=\"group-[.isActiveSource]:text-xl group-[.isActiveSource]:font-bold\">muitas vezes sem provocar sintomas<\/strong>. O alerta foi feito por especialistas da FBG (Federa\u00e7\u00e3o Brasileira de Gastroenteorologia), que promovem a campanha de conscientiza\u00e7\u00e3o <strong class=\"group-[.isActiveSource]:text-xl group-[.isActiveSource]:font-bold\">&#8220;Setembro Rubi 2026&#8221;<\/strong> em combate \u00e0 doen\u00e7a.<\/p>\n<p style=\"text-align:left\" class=\"my-5 break-words group-[.isActiveSource]:text-xl\">\u00a0A infec\u00e7\u00e3o pela bact\u00e9ria ocorre no revestimento do est\u00f4mago. Ao longo do tempo, essa agress\u00e3o pode aumentar o risco de desenvolvimento do c\u00e2ncer.<\/p>\n<p style=\"text-align:left\" class=\"my-5 break-words group-[.isActiveSource]:text-xl\">Segundo dados do <strong class=\"group-[.isActiveSource]:text-xl group-[.isActiveSource]:font-bold\">Radar do C\u00e2ncer<\/strong>, desenvolvido pelo <strong class=\"group-[.isActiveSource]:text-xl group-[.isActiveSource]:font-bold\">Instituto<\/strong> <strong class=\"group-[.isActiveSource]:text-xl group-[.isActiveSource]:font-bold\">Oncogia<\/strong>, o <strong class=\"group-[.isActiveSource]:text-xl group-[.isActiveSource]:font-bold\"><a href=\"https:\/\/www.cnnbrasil.com.br\/saude\/cancer-em-jovens-dispara-o-que-esta-por-tras-do-aumento-antes-dos-50-anos\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\" data-textassist=\"true\" class=\"text-red-600 underline hover:text-red-500 font-medium break-words group-[.isActiveSource]:text-xl\">n\u00famero estimado de casos novos no Brasil<\/a><\/strong> para cada ano entre 2026 e 2028 \u00e9 de 22.530. A doen\u00e7a ocupa a 5\u00b0 posi\u00e7\u00e3o entre os tipos de c\u00e2ncer mais frequentes (sem considerar os tumores de pele n\u00e3o melanoma).<\/p>\n<p class=\"my-5 break-words group-[.isActiveSource]:text-xl\">\u201cO objetivo n\u00e3o \u00e9 gerar medo em torno de uma bact\u00e9ria t\u00e3o frequente, mas <a href=\"https:\/\/www.cnnbrasil.com.br\/saude\/estudo-mostra-que-25-dos-brasileiros-nao-sabem-sobre-prevencao-do-cancer\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\" data-textassist=\"true\" class=\"text-red-600 underline hover:text-red-500 font-medium break-words group-[.isActiveSource]:text-xl\">transformar conhecimento em preven\u00e7\u00e3o<\/a>. Saber que existe uma rela\u00e7\u00e3o entre H. pylori e c\u00e2ncer g\u00e1strico permite que m\u00e9dicos e pacientes tomem decis\u00f5es mais conscientes sobre investiga\u00e7\u00e3o, tratamento e acompanhamento\u201d, aponta o Dr. Bruno Sanches, membro titular da Federa\u00e7\u00e3o Brasileira de Gastroenterologia e presidente do N\u00facleo de Pesquisa do H pylori.<\/p>\n<p>Como ela \u00e9 transmitida?<\/p>\n<p class=\"my-5 break-words group-[.isActiveSource]:text-xl\">A bact\u00e9ria pode ser transmitida de pessoa para pessoa, especialmente se os infectados n\u00e3o lavarem as m\u00e3os ap\u00f3s evacuarem. Al\u00e9m disso, beijo, contato pr\u00f3ximo, \u00e1gua e consumos infectados tamb\u00e9m est\u00e3o relacionadas a forma de cont\u00e1gio.<\/p>\n<p class=\"my-5 break-words group-[.isActiveSource]:text-xl\">Ap\u00f3s a contamina\u00e7\u00e3o, a bact\u00e9ria se desenvolve na camada mucosa do revestimento g\u00e1strico e pode causar gastrite ou \u00falcera no est\u00f4mago.<\/p>\n<p class=\"my-5 break-words group-[.isActiveSource]:text-xl\">De acordo com o especialista, o c\u00e2ncer apenas \u00e9 desenvolvido com a perman\u00eancia da bact\u00e9ria na regi\u00e3o g\u00e1strica e sua agressividade ao longo do tempo pode influenciar no diagn\u00f3stico.<\/p>\n<p class=\"my-5 break-words group-[.isActiveSource]:text-xl\">\u201c<strong class=\"group-[.isActiveSource]:text-xl group-[.isActiveSource]:font-bold\">\u00c9 importante deixar claro que ter <\/strong><strong class=\"group-[.isActiveSource]:text-xl group-[.isActiveSource]:font-bold\">H. pylori<\/strong><strong class=\"group-[.isActiveSource]:text-xl group-[.isActiveSource]:font-bold\"> n\u00e3o significa que a pessoa ter\u00e1 c\u00e2ncer<\/strong>. A maioria dos indiv\u00edduos infectados n\u00e3o desenvolver\u00e1 a doen\u00e7a. O que sabemos \u00e9 que a infec\u00e7\u00e3o \u00e9 um fator de risco importante e que, quando identificada, precisa ser avaliada e tratada de forma adequada\u201d, explica.\u00a0<\/p>\n<p>Preven\u00e7\u00e3o e diagn\u00f3stico<\/p>\n<p class=\"my-5 break-words group-[.isActiveSource]:text-xl\">Para evitar a contamina\u00e7\u00e3o do H. pylori \u00e9 necess\u00e1rio comer frutas e verduras que estejam bem levadas; lavar as m\u00e3os regularmente com \u00e1gua e sab\u00e3o, e; evitar alimentos cruz ou mal cozidos.<\/p>\n<p class=\"my-5 break-words group-[.isActiveSource]:text-xl\">Al\u00e9m disso, por muitas vezes n\u00e3o apresentar sintomas, \u00e9 necess\u00e1rio manter o atendimento m\u00e9dico em dia. Apenas um profissional especializado na regi\u00e3o g\u00e1strica poder\u00e1 indicar exames como endoscopia e bi\u00f3psia que identificar\u00e3o a presen\u00e7a da bact\u00e9ria no organismo.<\/p>\n<p class=\"my-5 break-words group-[.isActiveSource]:text-xl\">&#8220;Existem situa\u00e7\u00f5es em que a investiga\u00e7\u00e3o \u00e9 especialmente importante, e cabe ao m\u00e9dico avaliar a indica\u00e7\u00e3o, escolher o teste adequado e interpretar o resultado. O mesmo vale para o tratamento\u201d, orienta o m\u00e9dico.<\/p>\n<p>C\u00e2ncer de est\u00f4mago: fatores de risco<\/p>\n<p class=\"my-5 break-words group-[.isActiveSource]:text-xl\">Al\u00e9m da bact\u00e9ria, <strong class=\"group-[.isActiveSource]:text-xl group-[.isActiveSource]:font-bold\"><a href=\"https:\/\/www.cnnbrasil.com.br\/saude\/liquido-da-morte-bebidas-acucaradas-elevam-em-245-vezes-risco-de-cancer\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\" data-textassist=\"true\" class=\"text-red-600 underline hover:text-red-500 font-medium break-words group-[.isActiveSource]:text-xl\">outros fatores de risco<\/a> <\/strong>est\u00e3o associados ao c\u00e2ncer de est\u00f4mago. S\u00e3o eles:<\/p>\n<ul class=\"list-none [li&gt;&amp;]:pl-5\">\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">Excesso de gordura corporal (sobrepeso e obesidade)<\/li>\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">Consumo de \u00e1lcool<\/li>\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">Consumo excessivo de sal, alimentos salgados ou conservados no sal<\/li>\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">Tabagismo<\/li>\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">Ingest\u00e3o de \u00e1gua proveniente de po\u00e7os com alta concentra\u00e7\u00e3o de nitrato<\/li>\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">Doen\u00e7as pr\u00e9-existentes, como anemia perniciosa, les\u00f5es pr\u00e9-cancerosas (como gastrite atr\u00f3fica e metaplasia intestinal)<\/li>\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">Combina\u00e7\u00e3o de tabagismo com bebidas alco\u00f3licas ou com cirurgia anterior do est\u00f4mago<\/li>\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">Ter parentes de primeiro grau com c\u00e2ncer de est\u00f4mago<\/li>\n<\/ul>\n<p class=\"my-5 break-words group-[.isActiveSource]:text-xl\">Nos est\u00e1gios iniciais, o c\u00e2ncer de est\u00f4mago costuma n\u00e3o apresentar sintomas ou, quando aparecem, s\u00e3o muito parecidos com os de problemas comuns como gastrite ou \u00falcera. Alguns sinais que merecem aten\u00e7\u00e3o incluem:<\/p>\n<ul class=\"list-none [li&gt;&amp;]:pl-5\">\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">Perda de peso sem motivo aparente<\/li>\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">Falta de apetite<\/li>\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">Cansa\u00e7o frequente<\/li>\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">Sensa\u00e7\u00e3o de est\u00f4mago sempre cheio<\/li>\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">N\u00e1useas e v\u00f4mitos<\/li>\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">Dor ou desconforto na parte superior do abd\u00f4men<\/li>\n<li class=\"[ul&gt;&amp;]:indent-5 mb-3 break-words [ul&gt;&amp;]:relative [ul&gt;&amp;]:before:absolute [ul&gt;&amp;]:before:left-1 [ul&gt;&amp;]:before:top-2 [ul&gt;&amp;]:before:w-2 [ul&gt;&amp;]:before:h-2 [ul&gt;&amp;]:before:bg-red-600 [ul&gt;&amp;]:before:rounded-full marker:inline group-[.isActiveSource]:text-xl\">Em alguns casos, pode haver v\u00f4mito com sangue ou fezes escuras, pastosas e com odor forte \u2014 o que pode indicar sangramento no est\u00f4mago. Esses sintomas n\u00e3o significam necessariamente c\u00e2ncer, mas precisam ser investigados.<\/li>\n<\/ul>\n<p class=\"my-5 break-words group-[.isActiveSource]:text-xl\">Nos casos mais avan\u00e7ados, podem surgir sinais como aumento do f\u00edgado, n\u00f3dulos na regi\u00e3o do pesco\u00e7o ou pr\u00f3ximo ao umbigo, e massa palp\u00e1vel na parte superior do abd\u00f4men.<\/p>\n<p class=\"my-5 break-words group-[.isActiveSource]:text-xl\">A detec\u00e7\u00e3o do c\u00e2ncer de forma r\u00e1pida aumenta a chance de cura. Al\u00e9m disso, mesmo ap\u00f3s o tratamento, \u00e9 necess\u00e1rio que o paciente mantenha uma const\u00e2ncia nas consultas, pois o risco do c\u00e2ncer voltar \u00e9 maior nos dois primeiros anos.<\/p>\n","protected":false},"excerpt":{"rendered":"A bact\u00e9ria Helicobacter pylori, mais conhecida como H. pylori, \u00e9 uma das principais causas do c\u00e2ncer g\u00e1strico e&hellip;\n","protected":false},"author":2,"featured_media":515085,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[86],"tags":[116,32,33,117],"class_list":["post-515084","post","type-post","status-publish","format-standard","has-post-thumbnail","category-saude","tag-health","tag-portugal","tag-pt","tag-saude"],"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/pt\/wp-json\/wp\/v2\/posts\/515084","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/pt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/pt\/wp-json\/wp\/v2\/comments?post=515084"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/pt\/wp-json\/wp\/v2\/posts\/515084\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/pt\/wp-json\/wp\/v2\/media\/515085"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/pt\/wp-json\/wp\/v2\/media?parent=515084"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/pt\/wp-json\/wp\/v2\/categories?post=515084"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/pt\/wp-json\/wp\/v2\/tags?post=515084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}