4500 Sunny Isle Island Medical Center Suite 4B Christiansted, VI 00820
imaging centre
Bone Density
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Bone Density

Nearly 1 in 5 women and 1 in 20 men over the age of 50 are affected by osteoporosis.‎ Osteoporosis increases the risk for broken bones and can have serious effects in older adults. We prioritize the prevention and diagnosis of bone loss with a fan beam Hologic DXA scanner that measures bone density.

A machine measures the Bone Mineral Density at your hips, lumbar spine and/or wrists. It determines if you have normal bone density, osteopenia (low bone mass), or osteoporosis (significant bone loss). Osteoporotic adults have a greater chance of getting debilitating fractures from minor injuries. Osteoporosis is a progressive but silent disease that affects 28 million people in the USA. Early detection of osteopenia and osteoporosis can lead to treatment that can slow or reverse bone loss. DEXA or DXA uses less than 1/100th the amount of radiation used to produce a single chest x-ray.

  • There is always a slight chance of cancer from excessive exposure to radiation. However, given the small amount of radiation used in medical imaging, the benefit of an accurate diagnosis far outweighs the associated risk.
  • Women should always tell their doctor and x-ray technologist if they are pregnant.
  • No complications are expected with the DXA procedure.

Important: A doctor’s referral is required for a bone density test.

What Conditions & Factors Affect Bone Density?

Many medical and autoimmune conditions affect bone density, including:

  • Perimenopause & postmenopause
  • Smoking
  • Excessive alcohol ingestion
  • Liver disease
  • Kidney disease
  • Celiac disease
  • Small bowel malabsorption issues
  • Rheumatoid arthritis
  • Hyperthyroidism & Hyperparathyroidism
Preparing for your examination
Most examinations and procedures require some basic preparation from you before you arrive. Please read the relevant information prior to your appointment.
When Should I Have a Bone Density Scan?

Your doctor may recommend a bone density exam if you meet any of these criteria:

  • You are a post-menopausal woman not taking estrogen,
  • You are taller than 5 feet 7 inches, or
  • You weigh less than 125 pounds.
  • You had a hip fracture.
  • You had any bone fracture from minimal trauma, such as a fall from standing height.
  • You have a family history of osteoporosis.
  • An X-ray has shown an insufficiency spine fracture.
  • You are a current or former smoker.
  • You have some thyroid or parathyroid disorders, type 1 diabetes, rheumatoid arthritis, liver disease, or kidney disease.
  • You are on medications that cause bone loss, including corticosteroids (like prednisone), certain anti-seizure medications (like Dilantin), or high-dose thyroid hormone replacement drugs.
Why should I prepare for my DEXA Scan?

To ensure accurate results, avoid taking calcium supplements for 24 hours before the test. If we give you additional instructions after scheduling your exam, be sure to follow them.

What Happens During the Exam?

During the procedure, you will lie on a padded table while an X-ray imaging device moves slowly above you. This device captures images of your spine, hip, and pelvis using a very low dose of radiation. The entire exam typically takes between 10 to 20 minutes, and you can return to your usual activities immediately afterward.

What Can I Expect During a Bone Density Scan?

The bone density scan is similar to other X-ray tests but specifically measures your bones' density. It’s a quick, painless test that lasts about 10 to 20 minutes.

  • Preparation: You may eat and drink normally, but remember to avoid calcium supplements for 24 hours prior. Wear loose, comfortable clothing (like sweatpants and a T-shirt), and avoid any metal items, including zippers, snaps, buttons, buckles, or jewelry.
  • Results: Your results will be presented as a "T-score," which your doctor will discuss with you in a follow-up appointment.
How Often Should I Get a Bone Density Test?

The frequency of bone density tests varies based on individual risk factors. Generally, it’s recommended to have the test every 1 to 2 years if you have low bone density or are at high risk for osteoporosis. Your doctor will provide personalized recommendations based on your health status.

What Does the T-score Mean?

The T-score compares your bone density to that of a healthy young adult. A score of -1.0 or higher is considered normal, between -1.0 and -2.5 indicates low bone density (osteopenia), and -2.5 or lower signifies osteoporosis. Your doctor will help interpret your results and discuss appropriate next steps.

Is the Bone Density Test Safe?

Yes, it uses less than 1/100th ionizing radiation dose of a single chest x-ray. The benefits of early detection and early treatment of osteoporosis far outweigh the minimal risks associated with the procedure.

Can Men Get Osteoporosis?

Yes they can. Osteoporosis is more common in women but men can develop the condition. Age, family history, low testosterone levels, and certain medical conditions increase a man's osteoporosis risk. Regular testing is important for at-risk men.

What Happens if My Test Results Show Low Bone Density?

If your results indicate low bone density, your doctor may recommend lifestyle changes, dietary adjustments, and/or medication to help strengthen your bones. Regular follow-ups and additional testing may also be advised to monitor your bone health.

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