{"id":9355,"date":"2025-05-06T15:24:53","date_gmt":"2025-05-06T12:24:53","guid":{"rendered":"https:\/\/medilab.km.ua\/?p=9355"},"modified":"2026-10-03T11:47:32","modified_gmt":"2026-10-03T11:47:32","slug":"do-oncomarkers-always-mean-cancer-let-39-s-understand-without-fear-and-panic","status":"publish","type":"post","link":"https:\/\/medilab.km.ua\/en\/chy-zavzhdy-onkomarkery-oznachayut-rak-rozbyrayemos-bez-strahu-i-paniky\/","title":{"rendered":"Do tumor markers always mean cancer: let&#039;s figure it out without fear and panic"},"content":{"rendered":"<h2 class=\"\" data-start=\"982\" data-end=\"1021\">What are tumor markers in simple words?<\/h2>\n<p class=\"\" data-start=\"1023\" data-end=\"1346\"><a href=\"https:\/\/medilab.km.ua\/en\/what-are-oncomarkers-and-when-should-they-be-tested\/\">Tumor markers <\/a>\u2014 this <strong data-start=\"1040\" data-end=\"1087\">substances (usually proteins or glycoproteins)<\/strong>, which are produced by cells in response to certain processes in the body. Some of them actually increase in the case of malignant tumors, others - in the case of inflammation, infections, benign neoplasms, hormonal fluctuations, even during physical exertion or stress.<\/p>\n<p class=\"\" data-start=\"1348\" data-end=\"1428\">Tumor marker \u2260 tumor. It is only <strong data-start=\"1378\" data-end=\"1403\">potential \u201ccall\u201d<\/strong>, not the disease itself.<\/p>\n<h3 class=\"\" data-start=\"1430\" data-end=\"1444\">For example:<\/h3>\n<ul data-start=\"1446\" data-end=\"1729\">\n<li class=\"\" data-start=\"1446\" data-end=\"1545\">\n<p class=\"\" data-start=\"1448\" data-end=\"1545\"><a href=\"https:\/\/medilab.km.ua\/en\/analysis\/diagnosis-of-tumor-markers\/ovarian-cancer-marker-sa-125\/\"><strong data-start=\"1448\" data-end=\"1458\">CA-125<\/strong><\/a> can increase not only with ovarian cancer, but also with menstruation, appendicitis, and cirrhosis.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1546\" data-end=\"1680\">\n<p class=\"\" data-start=\"1548\" data-end=\"1680\"><strong data-start=\"1548\" data-end=\"1585\">PSA (prostate-specific antigen)<\/strong> often increases due to benign prostatic hyperplasia or even after cycling.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1681\" data-end=\"1729\">\n<p class=\"\" data-start=\"1683\" data-end=\"1729\"><strong data-start=\"1683\" data-end=\"1690\">SEA<\/strong> increases in smokers without any oncology.<\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"1731\" data-end=\"1768\">The most common myths about tumor markers<\/h2>\n<h3 class=\"\" data-start=\"1770\" data-end=\"1816\">Myth 1. One elevated tumor marker is cancer<\/h3>\n<p class=\"\" data-start=\"1818\" data-end=\"1975\"><strong data-start=\"1818\" data-end=\"1833\">Reality:<\/strong> In most cases, the cause of the increase is <strong data-start=\"1877\" data-end=\"1894\">another problem<\/strong>: inflammation, cysts, hypothyroidism, liver damage or even physiological processes.<\/p>\n<h3 class=\"\" data-start=\"1977\" data-end=\"2031\">Myth 2. If tumor markers are normal, I am definitely healthy<\/h3>\n<p class=\"\" data-start=\"2033\" data-end=\"2185\"><strong data-start=\"2033\" data-end=\"2048\">Reality:<\/strong> There are cancers that <strong data-start=\"2079\" data-end=\"2113\">are not accompanied by an increase<\/strong> no marker (e.g. early stages of melanoma or brain tumors).<\/p>\n<h3 class=\"\" data-start=\"2187\" data-end=\"2240\">Myth 3. Tumor markers can replace biopsy or MRI<\/h3>\n<p class=\"\" data-start=\"2242\" data-end=\"2368\"><strong data-start=\"2242\" data-end=\"2257\">Reality:<\/strong> Tumor markers are <strong data-start=\"2275\" data-end=\"2289\">auxiliary<\/strong> a tool that does not replace visualization or morphological verification of the diagnosis.<\/p>\n<h2 class=\"\" data-start=\"2370\" data-end=\"2423\">Tumor markers: how doctors use them correctly<\/h2>\n<p class=\"\" data-start=\"2425\" data-end=\"2466\">Tumor markers <strong data-start=\"2437\" data-end=\"2460\">do not diagnose<\/strong>, but:<\/p>\n<ul data-start=\"2468\" data-end=\"2754\">\n<li class=\"\" data-start=\"2468\" data-end=\"2526\">\n<p class=\"\" data-start=\"2470\" data-end=\"2526\"><strong data-start=\"2470\" data-end=\"2499\">help assess risk<\/strong>, when a tumor is suspected<\/p>\n<\/li>\n<li class=\"\" data-start=\"2527\" data-end=\"2602\">\n<p class=\"\" data-start=\"2529\" data-end=\"2602\"><strong data-start=\"2529\" data-end=\"2567\">used for observation<\/strong> according to an already established oncopathology<\/p>\n<\/li>\n<li class=\"\" data-start=\"2603\" data-end=\"2691\">\n<p class=\"\" data-start=\"2605\" data-end=\"2691\"><strong data-start=\"2605\" data-end=\"2643\">monitor the effectiveness of treatment<\/strong> (e.g., decreased CA-125 after chemotherapy)<\/p>\n<\/li>\n<li class=\"\" data-start=\"2692\" data-end=\"2754\">\n<p class=\"\" data-start=\"2694\" data-end=\"2754\"><strong data-start=\"2694\" data-end=\"2716\">detect relapses<\/strong> after surgery or radiation therapy<\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"2756\" data-end=\"2818\">Table: tumor markers and their non-oncological causes of elevation<\/h2>\n<div class=\"_tableContainer_16hzy_1\">\n<div class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\">\n<div class=\"table-scroll\"><table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2820\" data-end=\"3474\">\n<thead data-start=\"2820\" data-end=\"2901\">\n<tr data-start=\"2820\" data-end=\"2901\">\n<th data-start=\"2820\" data-end=\"2833\" data-col-size=\"sm\">Tumor marker<\/th>\n<th data-start=\"2833\" data-end=\"2852\" data-col-size=\"sm\">Main meaning<\/th>\n<th data-start=\"2852\" data-end=\"2901\" data-col-size=\"md\">Causes of increase not related to oncology<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2985\" data-end=\"3474\">\n<tr data-start=\"2985\" data-end=\"3055\">\n<td data-start=\"2985\" data-end=\"2998\" data-col-size=\"sm\"><strong data-start=\"2987\" data-end=\"2997\">CA-125<\/strong><\/td>\n<td data-start=\"2998\" data-end=\"3008\" data-col-size=\"sm\">ovaries<\/td>\n<td data-col-size=\"md\" data-start=\"3008\" data-end=\"3055\">endometriosis, menstruation, pregnancy, cysts<\/td>\n<\/tr>\n<tr data-start=\"3056\" data-end=\"3135\">\n<td data-start=\"3056\" data-end=\"3070\" data-col-size=\"sm\"><strong data-start=\"3058\" data-end=\"3069\">CA 19-9<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"3070\" data-end=\"3098\">pancreas, bile ducts<\/td>\n<td data-col-size=\"md\" data-start=\"3098\" data-end=\"3135\">cholecystitis, pancreatitis, jaundice<\/td>\n<\/tr>\n<tr data-start=\"3136\" data-end=\"3215\">\n<td data-start=\"3136\" data-end=\"3146\" data-col-size=\"sm\"><strong data-start=\"3138\" data-end=\"3145\">PSA<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"3146\" data-end=\"3169\">prostate gland<\/td>\n<td data-col-size=\"md\" data-start=\"3169\" data-end=\"3215\">hyperplasia, prostatitis, physical activity<\/td>\n<\/tr>\n<tr data-start=\"3216\" data-end=\"3266\">\n<td data-start=\"3216\" data-end=\"3226\" data-col-size=\"sm\"><a href=\"https:\/\/medilab.km.ua\/en\/analysis\/diagnosis-of-tumor-markers\/alpha-fetoprotein-afp\/\"><strong data-start=\"3218\" data-end=\"3225\">AFP<\/strong><\/a><\/td>\n<td data-col-size=\"sm\" data-start=\"3226\" data-end=\"3236\">liver<\/td>\n<td data-col-size=\"md\" data-start=\"3236\" data-end=\"3266\">hepatitis, pregnancy, cirrhosis<\/td>\n<\/tr>\n<tr data-start=\"3267\" data-end=\"3327\">\n<td data-start=\"3267\" data-end=\"3277\" data-col-size=\"sm\"><strong data-start=\"3269\" data-end=\"3276\">SEA<\/strong><\/td>\n<td data-start=\"3277\" data-end=\"3300\" data-col-size=\"sm\">large intestine, stomach<\/td>\n<td data-col-size=\"md\" data-start=\"3300\" data-end=\"3327\">smoking, bronchitis, cirrhosis<\/td>\n<\/tr>\n<tr data-start=\"3328\" data-end=\"3401\">\n<td data-start=\"3328\" data-end=\"3338\" data-col-size=\"sm\"><strong data-start=\"3330\" data-end=\"3337\">NCE<\/strong><\/td>\n<td data-col-size=\"sm\" data-start=\"3338\" data-end=\"3364\">neuroendocrine tumors<\/td>\n<td data-col-size=\"md\" data-start=\"3364\" data-end=\"3401\">cirrhosis, liver infarction, epilepsy<\/td>\n<\/tr>\n<tr data-start=\"3402\" data-end=\"3474\">\n<td data-start=\"3402\" data-end=\"3414\" data-col-size=\"sm\"><strong data-start=\"3404\" data-end=\"3413\">\u03b2-hCG<\/strong><\/td>\n<td data-start=\"3414\" data-end=\"3439\" data-col-size=\"sm\">trophoblastic tumors<\/td>\n<td data-col-size=\"md\" data-start=\"3439\" data-end=\"3474\">pregnancy, ovarian dysfunction<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<div class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\">\n<div class=\"absolute end-0 flex items-end\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2 data-start=\"3476\" data-end=\"3498\"><img decoding=\"async\" class=\"alignnone size-full wp-image-9357\" src=\"https:\/\/medilab.km.ua\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/nurse-blood-draw.webp\" alt=\"table with tumor marker levels in the laboratory report\" width=\"1200\" height=\"799\" srcset=\"\" data-srcset=\"https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/nurse-blood-draw.webp 1200w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/nurse-blood-draw-150x100.webp 150w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/nurse-blood-draw-600x400.webp 600w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/nurse-blood-draw-300x200.webp 300w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/nurse-blood-draw-1024x682.webp 1024w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/nurse-blood-draw-768x511.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/h2>\n<h2 class=\"\" data-start=\"3476\" data-end=\"3498\">Practical example<\/h2>\n<p class=\"\" data-start=\"3500\" data-end=\"3734\"><strong data-start=\"3500\" data-end=\"3523\">Patient, 42 years old.<\/strong> After random tests, an elevated CA-125 level was detected (46 units\/ml with a normal value of 35). In a panic, he turns to an oncologist.<br data-start=\"3652\" data-end=\"3655\" \/>After ultrasound: <strong data-start=\"3666\" data-end=\"3683\">ovarian cyst<\/strong>. A tumor marker is a reaction to an inflammatory process, not cancer.<\/p>\n<p class=\"\" data-start=\"3736\" data-end=\"3842\">This is a typical situation. Over 70% of tumor marker elevations in clinical practice <strong data-start=\"3812\" data-end=\"3841\">not related to oncology<\/strong>. This highlights the importance of careful analysis and interpretation of results. <a href=\"https:\/\/medilab.km.ua\/en\/the-importance-of-oncomarkers-in-clinical-practice\/\">The importance of tumor markers in diagnostics<\/a> goes beyond simply assessing the level of their enhancement, as the clinical picture and other laboratory data must also be taken into account. Of course, the correct interpretation of tumor markers can significantly influence the choice of further therapy and monitoring of the patient&#039;s condition.<\/p>\n<h2 class=\"\" data-start=\"3844\" data-end=\"3884\">What to do if the tumor marker is elevated<\/h2>\n<ol data-start=\"3886\" data-end=\"4203\">\n<li class=\"\" data-start=\"3886\" data-end=\"3923\">\n<p class=\"\" data-start=\"3889\" data-end=\"3923\"><strong data-start=\"3889\" data-end=\"3906\">Don&#039;t panic.<\/strong> \u2014 this is not a diagnosis.<\/p>\n<\/li>\n<li class=\"\" data-start=\"3924\" data-end=\"3989\">\n<p class=\"\" data-start=\"3927\" data-end=\"3989\"><strong data-start=\"3927\" data-end=\"3952\">Take the test again<\/strong> in another laboratory in 2\u20133 weeks.<\/p>\n<\/li>\n<li class=\"\" data-start=\"3990\" data-end=\"4062\">\n<p class=\"\" data-start=\"3993\" data-end=\"4062\"><strong data-start=\"3993\" data-end=\"4037\">Get tested by a doctor<\/strong> (ultrasound, MRI, CT, biopsy).<\/p>\n<\/li>\n<li class=\"\" data-start=\"4063\" data-end=\"4126\">\n<p class=\"\" data-start=\"4066\" data-end=\"4126\"><strong data-start=\"4066\" data-end=\"4086\">Evaluate the dynamics<\/strong> \u2014 growth, decline or stable level.<\/p>\n<\/li>\n<li class=\"\" data-start=\"4127\" data-end=\"4203\">\n<p class=\"\" data-start=\"4130\" data-end=\"4203\"><strong data-start=\"4130\" data-end=\"4156\">Consult with a specialist<\/strong> (oncologist, gynecologist, urologist, gastroenterologist).<\/p>\n<\/li>\n<\/ol>\n<h2 class=\"\" data-start=\"4205\" data-end=\"4247\">When tumor markers really matter<\/h2>\n<ul data-start=\"4249\" data-end=\"4468\">\n<li class=\"\" data-start=\"4249\" data-end=\"4314\">\n<p class=\"\" data-start=\"4251\" data-end=\"4314\"><strong data-start=\"4251\" data-end=\"4283\">After diagnosis<\/strong> \u2014 to assess the success of treatment.<\/p>\n<\/li>\n<li class=\"\" data-start=\"4315\" data-end=\"4382\">\n<p class=\"\" data-start=\"4317\" data-end=\"4382\"><strong data-start=\"4317\" data-end=\"4347\">In patients after surgery<\/strong> \u2014 for early detection of relapse.<\/p>\n<\/li>\n<li class=\"\" data-start=\"4383\" data-end=\"4468\">\n<p class=\"\" data-start=\"4385\" data-end=\"4468\"><strong data-start=\"4385\" data-end=\"4423\">As part of comprehensive diagnostics<\/strong> \u2014 along with visual methods and clinical practice.<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"4470\" data-end=\"4577\"><strong data-start=\"4470\" data-end=\"4485\">Remember:<\/strong> the most valuable always remains <strong data-start=\"4517\" data-end=\"4553\">the doctor&#039;s balanced clinical thinking<\/strong>, rather than a single analysis.<\/p>","protected":false},"excerpt":{"rendered":"<p>What are tumor markers in simple words? Tumor markers are substances (usually proteins or glycoproteins) that are produced by cells in response to certain<\/p>","protected":false},"author":627,"featured_media":9356,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_flow_reviewer_id":0,"_flow_review_status":""},"categories":[1,233],"tags":[],"class_list":["post-9355","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zahvoryuvannya-ta-symptomy","category-rozshyfrovka-analiziv-ta-pidgotovka"],"_links":{"self":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts\/9355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/users\/627"}],"replies":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/comments?post=9355"}],"version-history":[{"count":0,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts\/9355\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/media\/9356"}],"wp:attachment":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/media?parent=9355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/categories?post=9355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/tags?post=9355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}