Hematology Oncology

Tumor Marker Blood Test

Doctors need various tests to detect people’s problems and types of cancer. For this reason, they may sometimes ask for a tumor marker blood test. With these tests, it may be possible to detect, treat and monitor cancer in various stages. Tumor marker blood tests allow us to obtain important information about cancer and to treat it in the best way possible.

What is Tumor Marker?

Tumor markers find tissues with higher than normal levels in the blood and show whether people are likely to have cancer. Tissues at this high level are affected by the tumor. However, they are not always negative. Sometimes healthy tissues are also produced to respond to the tumor.

Why are Tumor Marker Blood Tests Used?

Tumor marker blood tests, which can be performed along with other tests, can help doctors diagnose cancer and recommend customized treatment plans for people. Why, when, and how often these tests are done varies greatly from person to person. They are used in people at high risk of the disease to show whether a certain type of cancer is present before signs and symptoms appear. It is also possible to state the physicians’ purposes for using tumor marker blood tests as follows:

It is used to decide which type of treatment or combination of treatments will work best for a particular type of cancer.
Used to find out how well a treatment is working.
Used to determine a person’s chances of recovery.
It is used to predict and, if necessary, detect how likely cancer is after treatment.

Are There Different Types of Tumor Markers?

Of course, there are different tumor markers for different types of cancer. Some tumor markers are associated with and indicate only one type of cancer, while other tumor markers may be associated with more than one cancer. However, many cancers do not have a known tumor marker, so tumor marker testing may not be an option and different methods may be needed.

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