A fact sheet that defines tumor markers and describes how they can be used to aid diagnosis and treatment.

A tumor marker is a biomarker that can be used to indicate the presence of cancer or the behavior of cancers (measure progression or response to therapy). They can be found in bodily fluids or tissue.

Feb 28, 2024 · Tumor markers may also be called cancer markers or biomarkers. A tumor marker is a substance found in the blood, urine, stool, the tumor itself, or tissue. The level of the tumor marker …

Cancer biomarkers are genes, proteins, or other substances that can be tested for to show important details about a person’s cancer or cancer risk. There are many known cancer biomarkers, and new …

PSA, CEA, and CA-125/MUC16 are frequently used cancer indicators, while exosomes, microRNA, and circulating tumor cells are emerging as a new source of biomarkers [8]. There are several factors to …

May 2, 2025 · In this article, we will explore what tumor markers are, how they are used in clinical practice, examples of common tumor markers, their limitations and challenges, and the emerging …

Oct 8, 2025 · A definitive clinical guide to tumor markers. Learn the 4 roles, the 'trend-over-value' rule, and the practical, guideline-based use of PSA, CEA, AFP, and more.

Tumor markers are substances that are made by cancer cells or by normal cells in response to cancer. For example, some cancer cells make certain proteins in larger amounts than normal cells do. These …

Mar 3, 2025 · Tumor markers may provide valuable insight into treatments and other specific information about your cancer. Learn how they're used here.

What is a tumor marker? A tumor marker is a substance that is made by the body because a cancer is present, or it can be made by the cancer itself. Some of these markers are specific to one cancer. …