{"id":8026,"date":"2024-10-19T06:30:04","date_gmt":"2024-10-19T04:30:04","guid":{"rendered":"https:\/\/gastropedia.pub\/es\/?p=8026"},"modified":"2025-05-10T00:37:04","modified_gmt":"2025-05-09T22:37:04","slug":"elevacion-del-marcador-ca-19-9","status":"publish","type":"post","link":"https:\/\/gastropedia.pub\/es\/gastroenterologia\/elevacion-del-marcador-ca-19-9\/","title":{"rendered":"Elevaci\u00f3n del marcador CA 19-9"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"8026\" class=\"elementor elementor-8026\">\n\t\t\t\t\t\t<section class=\"penci-section penci-disSticky penci-structure-10 elementor-section elementor-top-section elementor-element elementor-element-3ee0b95 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3ee0b95\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"penci-ercol-100 penci-ercol-order-1 penci-sticky-ct    elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-26281095\" data-id=\"26281095\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4614b197 elementor-widget elementor-widget-text-editor\" data-id=\"4614b197\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>El CA 19-9 es conocido por ser un marcador tumoral de neoplasias bilio-pancre\u00e1ticas y, entre los marcadores, presenta una precisi\u00f3n aceptable. En estudios previos, la sensibilidad para estas neoplasias vari\u00f3 entre 79-95% y la especificidad entre 82-91%. <strong>Sin embargo, se considera como herramienta diagn\u00f3stica solo en pacientes que presentan cuadro cl\u00ednico de dolor abdominal, p\u00e9rdida de peso o ictericia.<\/strong> En personas asintom\u00e1ticas, el valor predictivo positivo de la solicitud del marcador como screening para neoplasia bilio-pancre\u00e1ticas es solo del 0,9%, mostrando que no es una prueba v\u00e1lida para el screening poblacional.<\/p>\n<p>Es importante resaltar que esta glicoprote\u00edna es producida por las c\u00e9lulas ductales del p\u00e1ncreas y v\u00edas biliares, y c\u00e9lulas epiteliales del est\u00f3mago, colon, endometrio y gl\u00e1ndulas salivares. Por este motivo, el aumento en los niveles s\u00e9ricos debe ser observado con cautela, ya que no necesariamente significa malignidad.<\/p>\n<p>Adem\u00e1s, alrededor del 6% de la poblaci\u00f3n cauc\u00e1sica (y alrededor del 22% entre no cauc\u00e1sicos) no es capaz de producir el CA 19-9, y esto est\u00e1 relacionado con variaciones en el tipo sangu\u00edneo del Sistema Lewis (las personas con genotipo negativo para los ant\u00edgenos de Lewis no producen esta glicoprote\u00edna).<\/p>\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\n<summary>Si quieres leer sobre el aumento de amilasa y lipasa en la sangre haz clic en este enlace:<\/summary>\n<p><a href=\"https:\/\/gastropedia.pub\/es\/gastroenterologia\/aumento-de-enzimas-pancreaticas-en-la-sangre-como-investigar-o-conducir\/\" target=\"_blank\" rel=\"noreferrer noopener\">Aumento de enzimas pancre\u00e1ticas en la sangre \u2013 \u00bfc\u00f3mo investigar o conducir?<\/a><\/p>\n<\/details>\n<h6>&nbsp;<\/h6>\n<h2 id=\"h-quais-as-causas-para-aumento-do-ca-19-9\" class=\"wp-block-heading\"><strong>\u00bfCu\u00e1les son las causas del aumento del CA 19-9?<\/strong><\/h2>\n<p>Adem\u00e1s de la neoplasia pancre\u00e1tica y la neoplasia de las v\u00edas biliares, existen otras enfermedades neopl\u00e1sicas que pueden cursar con un aumento del CA 19-9, como se lista en la Tabla 1.<\/p>\n<div class=\"wp-block-image\" style=\"text-align: center;\">\n<figure class=\"aligncenter size-full\">\n<figcaption class=\"wp-element-caption\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-8903 size-medium\" src=\"https:\/\/gastropedia.pub\/es\/wp-content\/uploads\/2024\/10\/tab1-es-300x189.png\" alt=\"\" width=\"300\" height=\"189\" srcset=\"https:\/\/gastropedia.pub\/es\/wp-content\/uploads\/2024\/10\/tab1-es-300x189.png 300w, https:\/\/gastropedia.pub\/es\/wp-content\/uploads\/2024\/10\/tab1-es-768x484.png 768w, https:\/\/gastropedia.pub\/es\/wp-content\/uploads\/2024\/10\/tab1-es-585x369.png 585w, https:\/\/gastropedia.pub\/es\/wp-content\/uploads\/2024\/10\/tab1-es.png 964w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figcaption><figcaption class=\"wp-element-caption\">Tabla 1 \u2013 Neoplasias extra-pancre\u00e1ticas que pueden elevar ca19-9<\/figcaption>\n<\/figure>\n<\/div>\n<p>Adem\u00e1s de las enfermedades neopl\u00e1sicas, existen condiciones benignas que evolucionan con un aumento del marcador, y se enumeran en la Tabla 2. Destaco, entre ellas, cualquier proceso inflamatorio o infeccioso del p\u00e1ncreas y las v\u00edas biliares.<\/p>\n<div class=\"wp-block-image\" style=\"text-align: center;\">\n<figure class=\"aligncenter size-full\">\n<figcaption class=\"wp-element-caption\"><img decoding=\"async\" class=\"alignnone size-large wp-image-8906\" src=\"https:\/\/gastropedia.pub\/es\/wp-content\/uploads\/2024\/10\/2-2-1024x352.png\" alt=\"\" width=\"1024\" height=\"352\" srcset=\"https:\/\/gastropedia.pub\/es\/wp-content\/uploads\/2024\/10\/2-2-1024x352.png 1024w, https:\/\/gastropedia.pub\/es\/wp-content\/uploads\/2024\/10\/2-2-300x103.png 300w, https:\/\/gastropedia.pub\/es\/wp-content\/uploads\/2024\/10\/2-2-768x264.png 768w, https:\/\/gastropedia.pub\/es\/wp-content\/uploads\/2024\/10\/2-2-1536x527.png 1536w, https:\/\/gastropedia.pub\/es\/wp-content\/uploads\/2024\/10\/2-2-2048x703.png 2048w, https:\/\/gastropedia.pub\/es\/wp-content\/uploads\/2024\/10\/2-2-1920x659.png 1920w, https:\/\/gastropedia.pub\/es\/wp-content\/uploads\/2024\/10\/2-2-1170x402.png 1170w, https:\/\/gastropedia.pub\/es\/wp-content\/uploads\/2024\/10\/2-2-585x201.png 585w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><br>Tabla 2 \u2013 Enfermedades no neopl\u00e1sicas que pueden cursar con aumento de ca19-9<\/figcaption>\n<\/figure>\n<\/div>\n<p>Tambi\u00e9n debemos aconsejar al paciente que va a recoger el examen que suspenda el uso de biotina (normalmente presente en suplementos para fortalecer el cabello y las u\u00f1as) algunos d\u00edas antes de la recogida, ya que el uso de la vitamina puede elevar los niveles del marcador.<\/p>\n<h2 id=\"h-para-quem-pedir-o-marcador-ca-19-9\" class=\"wp-block-heading\"><strong>\u00bfA qui\u00e9n solicitar el marcador CA 19-9?<\/strong><\/h2>\n<p>En general, el marcador debe ser solicitado:<\/p>\n<ul>\n<li>En casos sospechosos de neoplasia bilio-pancre\u00e1tica (paciente con cuadro cl\u00ednico sugerente, como dolor abdominal, ictericia y p\u00e9rdida de peso inexplicada) \u2013 siempre asociados al examen de imagen indicado para el diagn\u00f3stico;<\/li>\n<li>En el momento del diagn\u00f3stico de la neoplasia pancre\u00e1tica \u2013 el valor inicial del CA 19-9 se correlaciona con el pron\u00f3stico de la neoplasia y con las estrategias de tratamiento para cada caso;<\/li>\n<li>En el seguimiento de las neoplasias biliopancre\u00e1ticas, sometidas a alg\u00fan tipo de tratamiento (neoadyuvante, quir\u00fargico o adyuvante)<\/li>\n<li>En el seguimiento de las neoplasias qu\u00edsticas mucinosas (cistoadenoma mucinoso e IPMN) \u2013 algunos estudios han reportado el aumento del CA 19-9 s\u00e9rico con riesgo de progresi\u00f3n de los quistes mucinosos.<\/li>\n<\/ul>\n<p class=\"has-very-light-gray-to-cyan-bluish-gray-gradient-background has-background\">Fuera de estos contextos, la solicitud del marcador puede generar m\u00e1s dudas que aclaraciones.<\/p>\n<h2 id=\"h-referencias\" class=\"wp-block-heading\"><strong>Referencias<\/strong><\/h2>\n<ol>\n<li>Meira-J\u00fanior, JD et al. ELEVATED CA 19-9 IN AN ASYMPTOMATIC PATIENT: WHAT DOES IT MEAN? ABCD Arq Bras Cir Dig 2022;35:e1687 https:\/\/doi.org\/10.1590\/0102-672020220002e1687<\/li>\n<li>Pavai, S et al. The Clinical Significance of Elevated Levels of Serum CA 19\u00b79. Med J Malaysia Vol 58 No 5 December 2003<\/li>\n<li>Kim, S et al. Carbohydrate antigen 19-9 elevation without evidence of malignant or pancreatobiliary diseases. Scientific Reports, 2020, 10:8820&nbsp; https:\/\/doi.org\/10.1038\/s41598-020-65720-8<\/li>\n<li>Scar\u00e0, S et al. CA 19-9: Biochemical and Clinical Aspects. Advances in Cancer Biomarkers, Advances in Experimental Medicine and Biology 867, DOI 10.1007\/978-94-017-7215-0_15.<\/li>\n<\/ol>\n<h2 id=\"h-como-citar-este-artigo\" class=\"wp-block-heading\">C\u00f3mo citar este art\u00edculo<\/h2>\n<p class=\"has-background\" style=\"background-color: #d5dce4;\">Marzinotto M; Gamarra ACQ. Elevaci\u00f3n del marcador CA 19-9, Gastropedia 2024, vol 2. Disponible en: https:\/\/gastropedia.pub\/es\/gastroenterologia\/elevacion-del-marcador-ca-19-9\/<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>El CA 19-9 es conocido por ser un marcador tumoral de neoplasias bilio-pancre\u00e1ticas y, entre los marcadores, presenta una precisi\u00f3n aceptable. En estudios previos, la sensibilidad para estas neoplasias vari\u00f3&hellip;<\/p>\n","protected":false},"author":3341,"featured_media":8005,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"categories":[18,23],"tags":[],"ano":[395],"tipo":[121],"volumen":[44],"class_list":["post-8026","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gastroenterologia","category-pancreas","ano-395","tipo-temas-generales","volumen-volume-ii"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Elevaci\u00f3n del marcador CA 19-9 - Gastropedia<\/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:\/\/gastropedia.pub\/es\/gastroenterologia\/elevacion-del-marcador-ca-19-9\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Elevaci\u00f3n del marcador CA 19-9\" \/>\n<meta property=\"og:description\" content=\"El CA 19-9 es conocido por ser un marcador tumoral de neoplasias bilio-pancre\u00e1ticas y, entre los marcadores, presenta una precisi\u00f3n aceptable. 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