Headaches and cases of epistaxis, or nosebleeds, are common. Nosebleeds occur due to burst or broken blood vessels in the nose. Having a headache and a nosebleed can be a sign of a minor issue, such as hay fever, or something more severe, such as anemia, or a low red blood cell count. Advertisement.
There is a tumor marker for some cancers of the colon; it is known as carcinoembryonic antigen, or CEA.Unfortunately, this protein may be made by other adenocarcinomas as well, or it may not be produced by a particular colon cancer.here is a tumor marker for some cancers of the colon; it is known as carcinoembryonic antigen, or CEA.
Doctors may test for tumor markers to help find cancer in healthy or high-risk people before symptoms develop. Confirm the diagnosis. Tumor markers may be used to confirm the results of other tests and procedures. However, the presence or amount of a tumor marker alone is not enough to diagnose cancer.Predict prognosis. Tumor markers can help the doctor predict the cancer's behavior and response to treatment, as well as a personâs chance of recovery.umor markers are not foolproof. Usually doctors need results from other tests, such as an x-ray or biopsy (the removal of a small amount of tissue for examination under a microscope), to determine whether the presence of a particular tumor marker is a cause for concern.