More information about DEXA Scan

 

What is a BMD or DEXA Scan ?

What is Osteoporosis ?

Who is at Risk ?

When should one get a Scan ?

Why DEXA ?

What happens during the Scan ?

What does the Report show ?

 

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Services Offered by Dr Mittal’s Diagnostic Centre  |  Health Checkup Packages in Delhi  |  List of Investigations and Rate List

 


What is a BMD or DEXA Scan ?

BMD or bone densitometry scan refers to a test that measures your bone mineral density. A DEXA BMD scanner is a machine that scans (like taking a picture) your bones and tissues and calculates your bone mineral
density. DEXA BMD is sensitive test that can confirm the decrease of bone mass in
a particular bone in any area of the body. It makes it possible to
detect osteoporosis earlier and more accurately than any other method.

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What is Osteoporosis?

Osteoporosis is the excessive loss of calcium from the bones, progressing without symptoms but weakening to the point that even simple everyday activities can cause painful, debilitating fractures.

It was often thought of as an old women’s ailment but we know that this bone robber can strike young women and even men without warning. This is because osteoporosis is a silent disease; you cannot feel bone loss or your bones becoming weaker. Often the first sign of the disease is a fracture.

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Who is at Risk ?

Although we all experience some bone loss as we age, not everyone develops osteoporosis or experiences fractures. Bone mass typically begins declining in both men and women when they are in their mid 30s. However, certain people are more likely to develop osteoporosis than others. Factors that increase likelihood of developing osteoporosis are called “risk factors”.

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When should one get a scan ?

Since osteoporosis can develop undetected for decades until a fracture occurs, early diagnosis is important. Every woman above 40 and man over 50 should have a baseline screening.

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Why DEXA ?

Standard X-Rays are not sensitive enough to detect osteoporosis until 30% of bone has already been lost, and blood and urine tests are not very specific.

Ultrasound based machines cannot scan hip or spine, it can only scan the heel and it has a precision of 2% and worse. It is not possible to measure the effect of treatment before 2 to 2.5 years.

Today there are newer, more accurate, non-invasive safe and painless tests to measure bone mineral density (BMD). The gold standard in BMD testing is Dual energy X-Ray Absorbtiometry (DEXA).
With DEXA it is possible to scan hip, spine, forearm and the latest machines can even scan the whole body.
We have installed the latest, whole body DEXA technique from GE Healthcare, USA to test Bone Mineral Density.

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What happens during the Scan ?

  • There is no special preparation required for the scan.
  • All it involves lying on a table, breathing normally.
  • Depending on the part of the body being scanned, you may be asked to remove any metal object such as belts, jewellery etc.
  • No intravenous injections or oral medication.
  • The intensity of radiation is extremely low, equivalent to what you would get on a fight from Delhi to London.
  • The whole procedure takes about 10 minutes.

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What does the report show ?

The scan precisely calculates bone density in g/cm2 and gives your T-score. From this report your physician can :

  • Detect osteopenia/ osteoporosis before a fracture occurs.
  • Project future chances of fracture.
  • Monitor the effects of any treatment over a period of time.

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Are you at risk?

Take this Questionnaire to find out.

For Women Yes No
Being a female the risk is 4 times higher than males.
Are you of Indian or Asian origin?
Have you had menopause?
Did you have an early menopause?
Is your physical activity less than normal?
Do you suffer from irregular menstrual periods?
Do you have a family history of osteoporosis?
Is your diet low in calcium?
Have you had a hysterectomy?
Is your physical activity less than normal?
Do you drink large amount of coffee, tea, cola or other bone robbers?
Have you been taking medications, such as corticosteroids, anticonvulsants or excessive thyroid medication?
Do you suffer from an eating disorder such as anorexia nervosa or bulimia?
Do you or have you ever smoked or consumed alcohol in excess?

 

For Men Yes No
Are you of Indian or Asian origin?
Are you slim/thin?
Do you have a family history of osteoporosis?
Is your diet low in calcium?
Do you or have you ever smoked or consumed alcohol in excess
Is your physical activity less than normal?
Do you drink large amount of coffee, tea, cola or other bone
robbers?
Have you been taking medications, such as corticosteroids,
anticonvulsants or excessive thyroid medication?
Do you suffer from an eating disorder such as anorexia nervosa or bulimia?
Do or have you suffered from low levels of testosterone?
Have you suffered from a fracture as an adult?

If you have answered YES to more than one of the above questions, you have a chance of developing osteoporosis. The more the number of times you have answered yes, the higher is your risk for developing osteoporosis.

 

Also View:

Services Offered by Dr Mittal’s Diagnostic Centre  |  Health Checkup Packages in Delhi  |  List of Investigations and Rate List