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Diagnosing bone cancer

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A multidisciplinary team of bone cancer experts use a variety of tests and tools for diagnosing bone cancer, evaluating the disease, determining the affected bone(s) and developing an individualized treatment plan. Throughout treatment, imaging and lab tests track the size of the tumor(s) and monitor the response to treatment, allowing us to modify your plan when needed.

Tools frequently used for diagnosing bone cancer include:


Two biopsy techniques to detect bone cancer include:

Needle biopsy: The doctor will numb the area with a local anesthetic before inserting a needle into the suspected site to get a sample of cells. In some cases, a CT (computed tomography) scan may be used to help guide the needle.

Surgical biopsy: This is typically performed under general anesthesia by a surgeon, who will remove a sample of the tissue (incisional biopsy) or the whole tumor (excisional biopsy).

Bone scan

A radionuclide bone scan may be used to diagnose and stage bone cancer.

This bone cancer detection tool may reveal whether the primary tumor has spread to other places in the bone, and how much damage it has caused. In a bone scan, a small dose of radioactive material is injected into a blood vessel, where it travels through the bloodstream. The material then gathers in the bones and is detected by a scanner through nuclear imaging. This test is very sensitive and may find small metastases before they would appear on a regular X-ray. However, other conditions such as arthritis or infection look similar on the scan, so a confirmatory biopsy is often needed.


Cancer may make the bone appear different than surrounding healthy bone on an X-ray. The bone may look ragged, or it may appear to have a hole in it. A chest X-ray may also help determine whether cancer cells have spread to the lungs.

CT scan

CT scans are usually used to help form an initial bone cancer diagnosis and to see whether the cancer has spread to other areas of the body. CT scans may also be used to guide the biopsy needle.


An MRI (magnetic resonance imaging) may help outline a tumor in the bone and may also help determine whether cancer cells have spread to the brain or spinal cord.

PET scan

PET (positron emission tomography) scans are very sensitive, but because they don"t show much detail, they often are performed in combination with a CT scan (called PET/CT).

Learn more about orthopedic oncology

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