What tests will I have for metastatic breast cancer?
Not all metastatic breast cancers are the same. Your doctor will need to do tests to learn about your cancer type and how best it will be treated. Tests can confirm a diagnosis of metastatic breast cancer and find out where the cancer has spread. Some tests will examine your bones, liver and lungs or sometimes your brain, as these are the most common places that breast cancer spreads to.
Some of these tests can also be used to check how you are responding to treatment.
If you haven’t had breast cancer before, a biopsy (a sample of breast tissue, which is examined under a microscope) can confirm a diagnosis of cancer. The biopsy will also help to find out whether the cancer cells have certain receptors which encourage the cancer cells to grow. For example, the hormone oestrogen (ER) or HER2. You usually have a biopsy under local anaesthetic. The doctor uses an ultrasound or a CT scan to help them guide the needle to the right place. If you have been diagnosed with breast cancer before, you might have a repeat biopsy to test for changes in receptors.
X-rays use high-energy rays to take pictures of the inside of your body. An X-ray of your bones can give a picture of the general condition of your bones. A chest X-ray may show if there is any breast cancer in your lungs. It might also look for a build-up of fluid in the space between your lungs and chest wall.
Blood tests can check your general health, including how well your kidneys and liver are working. Some cancers make chemicals that can be found in your bloodstream. These are called tumour markers. Blood tests can show the level of tumour markers in your blood. Blood tests can also check the amount of calcium in your blood.
A type of X-ray that gives a detailed picture of the tissues inside your body. Depending on your symptoms, you may have a whole body CT scan or a scan of a specific area of your body.
A radioactive injection that can show areas of abnormal bone on a scan, which may be caused by cancer.
A scan that uses magnetic energy to build up a picture of the tissues in your body. It is particularly useful to look at the brain and bones, to check for signs of any cancer there.
PET - CT scan
A radioactive injection that will show up any cancer spread to other parts of your body on a CT scan picture.
These tests will help your doctor to decide on the best treatment for you.
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