Imaging tests are used to investigate signs and symptoms that may indicate bone metastasis. Which tests you undergo depends on your specific situation.
Tests may include:
- Bone scan (bone scintigraphy)
- Computerized tomography (CT)
- Magnetic resonance imaging (MRI)
- Positron emission tomography (PET)
Common treatments for bone metastasis include medications, radiation therapy and surgery. What treatments are best for you will depend on the specifics of your situation.
Medications used in people with bone metastasis include:
Bone-building medications. Medications commonly used to treat people with thinning bones (osteoporosis) may also help people with bone metastasis. These medications can strengthen bones and reduce the pain caused by bone metastasis, reducing the need for strong pain medications. Bone-building medications may also reduce your risk of developing new bone metastasis.
These drugs can be administered every few weeks through a vein in your arm or through an injection. Oral forms of these medications are available, but they generally aren't as effective as the IV or injectable forms, and may cause digestive tract side effects.
Bone-building medications can cause temporary bone pain and kidney problems. They increase your risk of a rare but serious deterioration of your jawbone (osteonecrosis).
Intravenous radiation. For people with multiple bone metastases, a form of radiation called radiopharmaceuticals can be given through a vein. Radiopharmaceuticals use low levels of a radioactive material that has a strong attraction to bones. Once in your body, the particles travel to the areas of bone metastasis and release their radiation.
Radiopharmaceuticals can help control pain caused by bone metastasis. Side effects can include damage to the bone marrow, which can lead to low blood cell counts.
- Chemotherapy. If cancer has spread to multiple bones, your doctor may recommend chemotherapy. Chemotherapy travels throughout your body to fight cancer cells. Chemotherapy can be taken as a pill, administered through a vein or both. Side effects depend on the specific chemotherapy drugs you're given. For cancers that are sensitive to chemotherapy, chemotherapy may be the best way to alleviate pain from bone metastases.
Hormone therapy. For cancers that are sensitive to hormones in the body, treatment to suppress those hormones may be an option. Breast cancers and prostate cancers are often sensitive to hormone-blocking treatments.
Hormone therapy can involve taking medications to lower natural hormone levels or medications that block the interaction between hormones and cancer cells. Another option is surgery to remove hormone-producing organs — the ovaries and the testes.
Pain medications. Pain medications may control the pain caused by bone metastasis. Pain medications may include over-the-counter pain relievers or stronger prescription pain relievers.
It may take time to determine what combination of pain medications works best for you. If you're taking medications but still experiencing pain, tell your doctor. A pain specialist may be able to offer additional pain-relieving options.
Steroids. Medications known as steroids can often help to relieve pain associated with bone metastases by decreasing swelling and inflammation around the sites of cancer. These steroids are different from the types of steroids that bodybuilders or athletes use to build muscle.
Steroids can work quite quickly to help pain and prevent some cancer complications, but they also must be used very cautiously because they have side effects, especially when used for prolonged periods.
Targeted therapy. Targeted drug treatments focus on specific abnormalities present within cancer cells. By blocking these abnormalities, targeted drug treatments can cause cancer cells to die.
Certain cancers may respond very well to these treatments. For example, breast cancer cells that are HER2 positive can respond to certain medications.
External radiation therapy
Radiation therapy uses high-powered energy beams, such as X-rays and protons, to kill cancer cells. Radiation therapy may be an option if your bone metastasis is causing pain that isn't controlled with pain medications or if the pain is confined to a small number of areas.
Depending on your situation, radiation to the bone can be administered in one large dose or several smaller doses over many days. Side effects of radiation depend on the site being treated and its size.
Surgical procedures can help stabilize a bone that is at risk of breaking or repair a broken bone.
- Surgery to stabilize the bone. If the bone is in danger of breaking due to bone metastasis, surgeons can stabilize the bone using metal plates, screws and nails (orthopedic fixation). Orthopedic fixation can relieve pain and improve function. Often, radiation therapy is given when you have healed after surgery.
- Surgery to inject a bone with cement. Bones that can't be easily reinforced with metal plates or screws, such as pelvic bones and bones in the spine, may benefit from bone cement. Doctors inject bone cement into a bone that is broken or damaged by bone metastasis. This procedure can reduce pain.
Surgery to repair a broken bone. If bone metastasis has caused a bone to break, surgeons may work to repair the bone. This involves using metal plates, screws and nails to stabilize the bone.
Joint replacement, such as a hip replacement, may be another option. In general, broken bones caused by bone metastasis aren't helped by placing a cast on the broken bone.
Heating and freezing cancer cells
Procedures to kill cancer cells with heat or cold may help control pain. These procedures may be an option if you have one or two areas of bone metastasis and aren't helped by other treatments.
During a procedure called radiofrequency ablation, a needle containing an electric probe is inserted into the bone tumor. Electricity passes through the probe and heats the surrounding tissue. The tissue is allowed to cool down, and the process is repeated.
A similar procedure called cryoablation freezes the tumor and then allows it to thaw. The process is repeated multiple times.
Side effects can include damage to nearby structures, such as nerves, and damage to bones that can increase the risk of a broken bone.
Clinical trials are studies of new treatments and new ways of using existing treatments. Enrolling in a clinical trial gives you the chance to try the latest treatments. But a cure isn't guaranteed, and the side effects of new treatments may not be known. Discuss the available clinical trials with your doctor.
A physical therapist can work with you to devise a plan that will help you increase your strength and improve your mobility. A physical therapist may suggest assistive devices to help you cope. Examples might include crutches or a walker to take weight off an affected bone while walking, a cane to improve balance, or a brace to stabilize the spine.
A physical therapist may also suggest specific exercises to help you keep your strength up and reduce your pain.
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Coping and support
Coping with bone metastasis requires more than enduring bone pain. It also involves coming to terms with the news that your cancer has spread beyond its original site.
Cancer that has metastasized can be very difficult to cure, though people can live several years with bone metastasis. Your doctor will work to minimize your pain and to maintain your function so that you can continue your daily activities.
Each person finds his or her own way to cope with a cancer diagnosis. Until you find what works best for you, consider trying to:
- Find out enough about bone metastasis to make decisions about your care. Ask your doctor about the details of your cancer and your treatment options. Ask about trusted sources of further information. If you do research on your own, good places to start include the National Cancer Institute and the American Cancer Society.
- Find someone to talk with. Although friends and family can be your best allies, in some cases they may have difficulty coping with the shock of your diagnosis. In these cases, talking with a counselor, medical social worker, or a pastoral or religious counselor can be helpful. Ask your doctor for a referral.
- Connect with other cancer survivors. You may find comfort in talking with other cancer survivors. Cancer survivors can provide unique insight into your situation. Contact your local chapter of the American Cancer Society to find cancer support groups in your area.
Come to terms with your illness. Coming to terms with the fact that your cancer may no longer be curable can be difficult. For some people, having a strong faith or a sense of something greater than themselves makes this process easier.
Others seek counseling from someone who understands life-threatening illnesses, such as a medical social worker, psychologist or chaplain. Many people also take steps to ensure that their end-of-life wishes are known and respected by writing down their wishes and discussing them with their loved ones.
Preparing for your appointment
Start by making an appointment with your primary care doctor if you have any signs or symptoms that worry you. Tell your doctor if you've been treated for cancer in the past, even if you received cancer treatment many years ago. If you're diagnosed with bone metastasis, you'll be referred to a cancer specialist (oncologist).
Because appointments can be brief, it's a good idea to be well prepared. Here's some information to help you get ready and know what to expect from your doctor.
What you can do
- Be aware of any pre-appointment restrictions. At the time you make the appointment, be sure to ask if there's anything you need to do in advance, such as restrict your diet.
- Write down any symptoms you're experiencing, including any that may seem unrelated to the reason for which you scheduled the appointment. Note how long you've been experiencing your symptoms and what makes the symptoms worse or better.
- Write down key personal information, including any major stresses or recent life changes.
- Make a list of all medications, vitamins or supplements that you're taking.
- Consider taking a family member or friend along. Sometimes it can be difficult to remember all of the information provided during an appointment. Someone who accompanies you may remember something that you missed or forgot.
- Write down questions to ask your doctor.
Preparing a list of questions can help you make the most of your time with your doctor. For bone metastasis, some basic questions to ask your doctor include:
- What's the most likely cause of my symptoms?
- Are there other possible causes for my symptoms?
- What kinds of tests do I need?
- What treatments are available, and which do you recommend?
- What's my prognosis?
- Are there any experimental treatments or clinical trials available to me?
- I have these other health conditions. How will those affect my treatment?
- Is there a generic alternative to the medicine you're prescribing me?
- Are there brochures or other printed material that I can take with me? What websites do you recommend?
- What will determine whether I should plan for a follow-up visit?
In addition to the questions that you've prepared to ask your doctor, don't hesitate to ask any additional questions that occur to you during your appointment.
What to expect from your doctor
Your doctor is likely to ask you a number of questions. Being ready to answer them may allow time later to cover other points you want to address. Your doctor may ask:
- When did you first begin experiencing symptoms?
- Have your symptoms been continuous, or do they come and go?
- How severe are your symptoms?
- What, if anything, seems to improve your symptoms?
- Does anything make your symptoms worse?