Osteoporosis Community
What causes osteoporosis?
About This Community:

Osteoporosis is a condition of low bone density that can progress silently over a long period of time leading to an increased risk of fracturing of bones. Discuss topics including osteopenia, the effects of menopause, low density prevention, symptoms, treatments, and how to deal with fractures.

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What causes osteoporosis?

What is osteoporosis and how is it diagnosed?

Osteoporosis, a disease that lowers bone density and causes brittle bones, affects over 25 million Americans. Annually, this disease is responsible for over 1.3 million fractures, of which 250,000 are hip fractures. Increased awareness of osteoporosis has led to more advanced methods of diagnosing and monitoring the disease. To assist in diagnosing low bone density, physicians may choose to prescribe an examination called bone densitometry, or bone density test.

The following are frequently asked questions about bone densitometry. If you have any additional questions or concerns, please contact your physician.

What causes osteoporosis?

Bone is living tissue that is constantly being broken down and reformed. As a person grows, bone forms faster than it breaks down until it reaches a peak bone mass between the ages of 25 and 35. After age 35, both men and women lose bone at a greater rate than it forms, causing bone loss. Women after menopause start to lose bone at a much more rapid rate than men of the same age. This rapid bone loss is usually due to the decrease in the production of the estrogen hormone. As a greater amount of the bone is lost, the bones become porous and brittle.

Why is bone density testing available?

Bone density tests are the most practical way to accurately measure the density of your bones. The examination estimates the amount of bone mineral content in specific areas of your body, including the spine, hip and forearm, and in the total body. A physician assesses the risk factors and will review the results of a Bone Mineral Density test. When bone density tests are repeated over time, they can help your doctor track your rate of bone loss.

How is the bone density test done?

You will be asked to lay perfectly still during the test. An arm will pass over the region of your body being measured. A dual-energy beam of x-ray passes through your body and is measured by a detector in the arm. This technology is called Dual-Energy X-ray Aborptiometry or DXA. The Eclipse(tm) bone densitometer works by measuring the amount of x-rays that are absorbed by the bones in your body. The two x-ray energies allow the machine to tell the difference between bone and soft tissue, giving a very accurate estimation of bone density.

Is a bone density test the same as a bone scan?

No. Often confused with a nuclear medicine bone scan, a bone density test is faster and does not require a radionuclide injection.

How long does the exam take?

Please allow 15 to 30 minutes for your scheduled appointment.

How much radiation is involved?

The amount of radiation from a typical bone density test is only a fraction of that received from a standard chest x-ray. Or, in other words, it is comparable to the amount received on a transcontinental airline flight. Patients should always inform the technologist if there is any chance of pregnancy.

Are there any special preparations required?

Unless instructed otherwise, you should eat normally on the day of the exam. You may prefer to call the location where the test will be done and inquire about specific instructions.

Contact Us Information

Suburban Office:

Orthopaedic and Rehabilitation Centers, S.C.
5616 N. Western Avenue
Chicago, IL 60659

Telephone:

(773) 878-6233

Facsimile:

(773) 878-2688
Related Discussions
Avatar_dr_m_tn
Hello!

Since the reason for osteoporosis is multi-factorial and diagnosis usually delayed, treatment becomes difficult and frustrating.

The principle objectives of treatment are alleviation of pain and prevention of fractures. The treatment can be divided into medical and orthopaedic.

High protein diet, calcium supplementation, Vitamin D and androgens are under medical treatment.

Orthopaedic treatment consists of weight bearing exercises which are a major stimulus for bone formation.

Take care!
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