{"id":408315,"date":"2025-10-19T13:30:00","date_gmt":"2025-10-19T11:30:00","guid":{"rendered":"https:\/\/medizinonline.com\/?p=408315"},"modified":"2025-09-11T10:22:24","modified_gmt":"2025-09-11T08:22:24","slug":"her2-positive-colorectal-carcinoma-with-invasive-micropapillary-component","status":"publish","type":"post","link":"https:\/\/medizinonline.com\/en\/her2-positive-colorectal-carcinoma-with-invasive-micropapillary-component\/","title":{"rendered":"HER2-positive colorectal carcinoma with invasive micropapillary component"},"content":{"rendered":"\n<p><strong>Colorectal cancer (CRC) is one of the most common and deadliest forms of cancer worldwide. Molecular subgroups are increasingly relevant for prognosis and therapy. In addition to established markers such as RAS, BRAF and MSI, HER2 is also coming into focus as a therapeutic target. Particularly rare histological variants such as invasive micropapillary carcinoma (IMPC) raise new questions. A recent case report from Japan describes for the first time a patient with HER2-positive colorectal carcinoma and a micropapillary component. This article summarizes the available data and discusses the clinical significance of this constellation.     <\/strong><\/p>\n\n<div class=\"pmpro\"><div class=\"pmpro_card pmpro_content_message\"><div class=\"pmpro_card_content\">Dieser Inhalt ist nur f\u00fcr Benutzer der Gruppe: Medizinische Fachperson zug\u00e4nglich <br \/><a href=\"https:\/\/medizinonline.com\/en\/my-account\/packages\/\">Jetzt beitreten<\/a><\/div><div class=\"pmpro_card_actions pmpro_font-medium\">Already a member? <a href=\"https:\/\/medizinonline.com\/en\/log-in\/?redirect_to=https%3A%2F%2Fmedizinonline.com%2Fen%2Fher2-positive-colorectal-carcinoma-with-invasive-micropapillary-component%2F\">Log in here<\/a><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Colorectal cancer (CRC) is one of the most common and deadliest forms of cancer worldwide. Molecular subgroups are increasingly relevant for prognosis and therapy. In addition to established markers such&#8230;&hellip;... <\/p>\n<div class=\"pmpro\"><div class=\"pmpro_card pmpro_content_message\"><div class=\"pmpro_card_content\">Dieser Inhalt ist nur f\u00fcr Benutzer der Gruppe: Medizinische Fachperson zug\u00e4nglich <br \/><a href=\"https:\/\/medizinonline.com\/en\/my-account\/packages\/\">Jetzt beitreten<\/a><\/div><div class=\"pmpro_card_actions pmpro_font-medium\">Already a member? <a href=\"https:\/\/medizinonline.com\/en\/log-in\/?redirect_to=https%3A%2F%2Fmedizinonline.com%2Fen%2Fher2-positive-colorectal-carcinoma-with-invasive-micropapillary-component%2F\">Log in here<\/a><\/div><\/div><\/div>","protected":false},"author":7,"featured_media":408320,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","cat_1_feature_home_top":false,"cat_2_editor_pick":false,"csco_eyebrow_text":"Case report, molecular basis and therapeutic implications","footnotes":""},"category":[11520,11508,11391,11370,11548,11503],"tags":[13649,45348,16452,85201,85202,85203,13651],"powerkit_post_featured":[],"class_list":["post-408315","post","type-post","status-publish","format-standard","has-post-thumbnail","category-cases-en","category-education","category-gastroenterology-and-hepatology","category-oncology","category-rx-en","category-studies","tag-colon-cancer","tag-crc-en","tag-her2-en","tag-impc-en","tag-invasive-micropapillary-carcinoma","tag-msi-en","tag-ras-en","pmpro-level-required","pmpro-level-1","pmpro-no-access"],"acf":[],"publishpress_future_action":{"enabled":false,"date":"2026-05-03 15:42:40","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"category","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"wpml_current_locale":"en_US","wpml_translations":{"fr_FR":{"locale":"fr_FR","id":408322,"slug":"carcinome-colorectal-her2-positif-avec-composante-micropapillaire-invasive","post_title":"Carcinome colorectal HER2-positif avec composante micropapillaire invasive","href":"https:\/\/medizinonline.com\/fr\/carcinome-colorectal-her2-positif-avec-composante-micropapillaire-invasive\/"},"it_IT":{"locale":"it_IT","id":408331,"slug":"carcinoma-colorettale-her2-positivo-con-componente-micropapillare-invasivo","post_title":"Carcinoma colorettale HER2-positivo con componente micropapillare invasivo","href":"https:\/\/medizinonline.com\/it\/carcinoma-colorettale-her2-positivo-con-componente-micropapillare-invasivo\/"},"pt_PT":{"locale":"pt_PT","id":408328,"slug":"carcinoma-colorrectal-her2-positivo-com-componente-micropapilar-invasivo","post_title":"Carcinoma colorrectal HER2-positivo com componente micropapilar invasivo","href":"https:\/\/medizinonline.com\/pt-pt\/carcinoma-colorrectal-her2-positivo-com-componente-micropapilar-invasivo\/"},"es_ES":{"locale":"es_ES","id":408340,"slug":"carcinoma-colorrectal-her2-positivo-con-componente-micropapilar-invasivo","post_title":"Carcinoma colorrectal HER2-positivo con componente micropapilar invasivo","href":"https:\/\/medizinonline.com\/es\/carcinoma-colorrectal-her2-positivo-con-componente-micropapilar-invasivo\/"}},"_links":{"self":[{"href":"https:\/\/medizinonline.com\/en\/wp-json\/wp\/v2\/posts\/408315","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medizinonline.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medizinonline.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medizinonline.com\/en\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/medizinonline.com\/en\/wp-json\/wp\/v2\/comments?post=408315"}],"version-history":[{"count":1,"href":"https:\/\/medizinonline.com\/en\/wp-json\/wp\/v2\/posts\/408315\/revisions"}],"predecessor-version":[{"id":408321,"href":"https:\/\/medizinonline.com\/en\/wp-json\/wp\/v2\/posts\/408315\/revisions\/408321"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medizinonline.com\/en\/wp-json\/wp\/v2\/media\/408320"}],"wp:attachment":[{"href":"https:\/\/medizinonline.com\/en\/wp-json\/wp\/v2\/media?parent=408315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medizinonline.com\/en\/wp-json\/wp\/v2\/category?post=408315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medizinonline.com\/en\/wp-json\/wp\/v2\/tags?post=408315"},{"taxonomy":"powerkit_post_featured","embeddable":true,"href":"https:\/\/medizinonline.com\/en\/wp-json\/wp\/v2\/powerkit_post_featured?post=408315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}