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Cancer is a complex and challenging disease that affects millions of lives worldwide. Early detection and accurate diagnosis are crucial factors in improving patient outcomes. Tumor marker immunoassay is a diagnostic tool that plays a significant role in the early detection and monitoring of cancer. In this article, we will explore what tumor marker immunoassay is, how it works, and its importance in the field of cancer diagnosis.
Understanding Tumor Markers
Tumor markers are substances produced by cancer cells or the body in response to cancer. These markers can be found in blood, urine, or tissues and serve as indicators of the presence of cancer. Examples of tumor markers include prostate-specific antigen (PSA) for prostate cancer and CA-125 for ovarian cancer. However, it's important to note that elevated levels of tumor markers do not always indicate the presence of cancer, as other conditions can also cause an increase.