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Osteoporosis

Bone Density Testing

What is a Bone Density Scan?

Bone density testing is critical for the early diagnosis of osteoporosis and osteopenia, conditions of diminished bone tissue.

At UConn Health, we use a radiological test called a DXA (Dual Energy X-ray Absorption), the “gold standard” for bone density testing. The test calculates the density of your bones and creates a chart that compares your density to what the density should be. The higher the density, the strength of your bones. It is a type of low-dose X-ray test that measures the amount of calcium and other minerals in your bones and shows the strength and thickness (known as bone density or mass) of your bones.

We use a Trabecular Bone Score (TBS) to analyze your DXA images. TBS is a number that reflects the quality and structure of your bone tissue. It can help us predict your fracture risk better than DXA alone. We also perform vertebral fracture analysis to look for spine deformities.

Since UConn Health is a major university hospital, our physicians are involved in research on the treatment and prevention of osteoporosis. We maintain “research-quality” testing standards to ensure our patients receive the most accurate test results possible.

Call today to schedule a bone density test at 860-679-3120.

  • What is the DXA test used for?

    Bone density testing is usually used to:

    • Diagnose osteopenia (low bone mass)
    • Diagnose osteoporosis (weakening of the bones)
    • Predict the risk of future fractures
    • See if treatment for osteoporosis is working
  • Should I consider having a DXA test?

    Talk with your care team about a bone density scan if you’re:

    • A woman aged 65 or older
    • A woman younger than 65 but have gone through menopause
    • Younger than 65 but have risk factors for osteoporosis, including a family history of the disease or a history of fractures
    • Taking certain drugs that can interfere with the body’s process of rebuilding bone, including steroid medications (e.g. prednisone) or immunosuppressant medications like those taken after organ or bone marrow transplantations
  • How is a DXA test done?

    The DXA Test is a pain-free outpatient test. It is usually done in a radiologist's office and takes about 30 minutes.

    • You will be asked to lie on your back on a table.
    • A scanning machine will pass over your lower spine and hip, and another scanning machine will pass beneath you at the same time.
      • The images from the two machines will be combined and sent to a computer. A healthcare provider can see the images on the computer screen.
    • While the machines are scanning, you must stay very still and keep your legs straight. You may be asked to hold your breath momentarily.
  • Do you need to prepare for a DXA test?

    The DXA test requires very little preparation:

    • You should stop taking calcium supplements 24 hours before the test
    • You should not wear any metal jewelry or clothes with metal parts, such as buttons or buckles

Center for Osteoporosis

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