Quick Answer: What Is The Difference Between A PET Scan And A Bone Scan?

How long does a full body PET scan take?

The scan will take 20 to 40 minutes.

It’s very important to remain still during the test.

That’s because movement could affect the results of the PET scan..

Do you have to take your clothes off for a bone scan?

No special preparations are needed. You may be able to remain fully clothed, depending on the area of your body being scanned. But you’ll need to remove any clothes that have metal fasteners, such as zips, hooks or buckles. In some cases, you may need to wear a gown.

What are the side effects of having a PET scan?

If undergoing a combination PET-CT scan, the iodine-based contrast dye used for the CT component can cause side effects, including nausea, vomiting, headache, itching, flushing, and mild rash. In rare cases, a serious, all-body allergic reaction known as anaphylaxis may occur.

What do you wear for a bone scan?

Generally, a bone scan follows this process: You may be asked to remove any clothing, jewelry, or other objects that may interfere with the procedure. If you are asked to remove clothing, you will be given a gown to wear. An intravenous (IV) line will be started in the hand or arm for injection of the tracer.

What should you not do before a bone density test?

Is there a prep for a bone density test?Stop taking calcium supplements, multivitamins and antacids, such as Tums, for 24 hours before your test.If you have had a barium or contrast x-ray exam, wait for 10 days afterwards to schedule your bone density test.

How accurate is a bone scan for cancer?

Bone scans cannot identify some types of cancer. Occasionally, an abnormal finding on a bone scan may require additional tests like CT, MRI, blood tests or a biopsy to help distinguish between normal and abnormal bone. Nuclear medicine procedures can be time consuming.

What does cancer look like on a bone scan?

Most bone cancers show up on x-rays of the bone. The bone at the site of the cancer may look “ragged” instead of solid. The cancer can also appear as a hole in the bone. Sometimes doctors can see a tumor around the defect in the bone that might extend into nearby tissues (such as muscle or fat).

Do PET scan hotspots always mean cancer?

PET scans do not diagnose cancer; they only show areas of abnormal uptake of the tracer material. Other diseases can produce “hot spots,” such as infection.

Can you eat and drink before a bone scan?

Preparing for a Nuclear Bone Scan You can eat and drink as you usually would before your scan. You don’t have to do anything special to prepare. But certain things can interfere with the tracer, so tell your doctor if you have: Taken an over-the-counter medication containing bismuth (such as Pepto-Bismol)

How long are you radioactive after a bone scan?

Following up after a bone scan A bone scan doesn’t cause any side effects or complications. Most of the radioactive tracer is eliminated from your body within 24 hours. Small amounts may remain for as long as three days.

Can I wear a bra for a bone density test?

Do not wear jewelry, hearing aids, belt buckles, zippers, snaps, or buttons. Females should wear a sports bra. Bras with under wires will need to be removed. It is okay to eat anytime before or after the exam.

Can I take vitamin D before a bone density test?

Calcium and vitamin D intake before bone density test can reduce risk of osteoporosis.

Is a PET scan a bone scan?

Conclusions The difference between bone scan and PET/CT for detection of bone metastases may be attributable to the different mechanism. Bone scan depends on the osteoblastic response to bone destruction by tumor cells,and FDG-PET/CT detects the metabolic activity of the tumor cells.

Can a bone scan detect cancer?

Your doctor may order a bone scan if you have unexplained skeletal pain, a bone infection or a bone injury that can’t be seen on a standard X-ray. A bone scan can also be an important tool for detecting cancer that has spread (metastasized) to the bone from the tumor’s original location, such as the breast or prostate.

Do all cancers show up on PET scan?

PET scans must be interpreted carefully because noncancerous conditions can look like cancer, and some cancers do not appear on PET scans. Many types of solid tumors do appear on PET scans, including: Brain.

How long does a bone scan take?

It takes pictures of the tracer in your bones. The technologist may ask you to change positions during the scan. This helps to get pictures from different angles. A whole-body bone scan takes about 1 hour to finish.

How long does a PET scan take for results?

Generally, all tracers leave your body after two days. Meanwhile, a trained specialist will interpret the PET scan images and share the information with your doctor. The results are usually ready for your doctor within two business days, and your doctor will go over the results with you at your follow-up appointment.

Is a PET scan claustrophobic?

Medical procedures such as MRIs, PET scans and CT scans are frequent sources of claustrophobia. These types of tests enclose individuals in small quarters to obtain imaging for diagnostic and treatment purposes.