{"id":24308,"date":"2026-08-04T18:02:41","date_gmt":"2026-08-04T15:02:41","guid":{"rendered":"https:\/\/otexe.com\/?p=24308"},"modified":"2026-08-04T18:02:41","modified_gmt":"2026-08-04T15:02:41","slug":"biopsia-con-cepillo-en-el-diagnostico-molecular-del-cancer-oral-metodo-no-invasivo-y-transformacion-clinica-del-cribado","status":"publish","type":"post","link":"https:\/\/otexe.com\/es\/biopsia-con-cepillo-en-el-diagnostico-molecular-del-cancer-oral-metodo-no-invasivo-y-transformacion-clinica-del-cribado\/","title":{"rendered":"Biopsia con cepillo en el diagn\u00f3stico molecular del c\u00e1ncer oral: m\u00e9todo no invasivo y transformaci\u00f3n cl\u00ednica del cribado"},"content":{"rendered":"<p>La mayor\u00eda de los focos sospechosos de afectaci\u00f3n de la mucosa bucal no son malignos, sin embargo, su diferenciaci\u00f3n a menudo requiere una biopsia invasiva con bistur\u00ed. Esto no solo causa incomodidad adicional a los pacientes, sino que tambi\u00e9n retrasa el diagn\u00f3stico definitivo. <strong>Un nuevo test molecular no invasivo, desarrollado por investigadores de la Universidad Queen Mary de Londres, est\u00e1 destinado a resolver este problema.<\/strong><\/p>\n<h2>Metodolog\u00eda del estudio y principio del test<\/h2>\n<p><strong>El profesor de oncolog\u00eda molecular oral Mui-Tek Teh<\/strong> dirigi\u00f3 el estudio que confirma la eficacia de la biopsia por cepillo como alternativa a la microbiopsia. Los ensayos previos de la variante de microbiopsia del test en muestras de tejido de pacientes de Reino Unido, India y China demostraron su confiabilidad en diferentes poblaciones. Dado que la microbiopsia sigue siendo un procedimiento invasivo, el investigador realiz\u00f3 un estudio a gran escala tipo caso-control para verificar la posibilidad de aplicar el m\u00e9todo no invasivo de cepillo en su lugar.<\/p>\n<p>En el estudio participaron 545 pacientes con carcinoma de c\u00e9lulas escamosas, leucoplasia o liquen plano rojo de la cavidad bucal. Cada paciente proporcion\u00f3 dos muestras de biopsia por cepillo: una del \u00e1rea afectada, la otra de tejido sano del lado opuesto de la boca. <strong>El test mide la expresi\u00f3n de cuatro genes, incluyendo INHBA y S100A16, que se convierten en biomarcadores de cambios malignos.<\/strong><\/p>\n<h2>Resultados del estudio: sensibilidad y especificidad<\/h2>\n<p>Los resultados mostraron una alta precisi\u00f3n en la diferenciaci\u00f3n: el test identificaba sin errores casi todos los casos de c\u00e1ncer y raramente clasificaba err\u00f3neamente las lesiones benignas como malignas. <strong>La sensibilidad y especificidad de la variante de cepillo resultaron comparables con su predecesor de microbiopsia.<\/strong><\/p>\n<p>Seg\u00fan el profesor Teh, la se\u00f1al biol\u00f3gica registrada por estos cuatro genes es tan fuerte y consistente que se puede detectar incluso en las c\u00e9lulas superficiales descamadas recolectadas con el cepillo. Esto abre a los pacientes la posibilidad de obtener una evaluaci\u00f3n molecular del riesgo sin un procedimiento invasivo.<\/p>\n<h2>Aplicaci\u00f3n cl\u00ednica y ventajas para la pr\u00e1ctica<\/h2>\n<p>Si el test se implementa en la pr\u00e1ctica cl\u00ednica, los odont\u00f3logos podr\u00e1n realizar una evaluaci\u00f3n molecular de triaje primario directamente en el consultorio o a trav\u00e9s de laboratorios locales, mejorando la calidad de las derivaciones a especialistas en medicina oral y cirug\u00eda maxilofacial. <strong>Esto puede reducir la carga en los centros especializados, permiti\u00e9ndoles concentrarse en pacientes de alto riesgo.<\/strong><\/p>\n<h2>Limitaciones importantes de la aplicaci\u00f3n del test<\/h2>\n<p>El investigador enfatiz\u00f3 una limitaci\u00f3n fundamental: el test no reemplaza el diagn\u00f3stico histopatol\u00f3gico. <strong>Los resultados positivos o de alto riesgo requieren confirmaci\u00f3n mediante biopsia convencional y an\u00e1lisis morfol\u00f3gico.<\/strong> De este modo, la biopsia por cepillo puede servir como una herramienta eficaz de estratificaci\u00f3n molecular primaria, pero no excluye la necesidad de verificaci\u00f3n final del diagn\u00f3stico mediante investigaci\u00f3n histopatol\u00f3gica.<\/p>\n<h2>Fuente<\/h2>\n<p><a href=\"https:\/\/www.dental-tribune.com\/news\/non-invasive-brush-biopsy-test-could-improve-early-detection-of-oral-squamous-cell-carcinoma\/\">Publicaci\u00f3n original<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La mayor\u00eda de los focos sospechosos de afectaci\u00f3n de la mucosa bucal no son malignos, sin embargo, su diferenciaci\u00f3n a menudo requiere una biopsia invasiva con bistur\u00ed. Esto no solo causa incomodidad adicional a los pacientes, sino que tambi\u00e9n retrasa el diagn\u00f3stico definitivo. Un nuevo test molecular no invasivo, desarrollado por investigadores de la Universidad [&hellip;]<\/p>\n","protected":false},"author":20,"featured_media":24303,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"pmpro_default_level":"","footnotes":""},"categories":[246],"tags":[],"class_list":["post-24308","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articulos-cientificos","pmpro-has-access"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Biopsia con cepillo en el diagn\u00f3stico molecular del c\u00e1ncer oral: m\u00e9todo no invasivo y transformaci\u00f3n cl\u00ednica del cribado - OTEXE<\/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:\/\/otexe.com\/es\/biopsia-con-cepillo-en-el-diagnostico-molecular-del-cancer-oral-metodo-no-invasivo-y-transformacion-clinica-del-cribado\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Biopsia con cepillo en el diagn\u00f3stico molecular del c\u00e1ncer oral: m\u00e9todo no invasivo y transformaci\u00f3n cl\u00ednica del cribado - OTEXE\" \/>\n<meta property=\"og:description\" content=\"La mayor\u00eda de los focos sospechosos de afectaci\u00f3n de la mucosa bucal no son malignos, sin embargo, su diferenciaci\u00f3n a menudo requiere una biopsia invasiva con bistur\u00ed. Esto no solo causa incomodidad adicional a los pacientes, sino que tambi\u00e9n retrasa el diagn\u00f3stico definitivo. 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