What is bone densitometry for?

What is bone densitometry for?


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THE bone densitometry is an exam that identifies osteoporosis and osteopenia, detecting a reduction in bone mass. In this exam, a device that uses the DXA (Dual-Energy X-ray Absorptiometry) technique is used to assess sites such as the lumbar spine, femur and distal third of the radius, which are most susceptible to osteoporosis. Bone densitometry lasts about five minutes.

  • Bone densitometry indications

  • Bone densitometry contraindications

  • How bone densitometry is done

  • Periodicity of bone densitometry

Bone densitometry indications

This exam is recommended for women over 65 and men over 70. However, in people who have previous fractures, low weight, who take drugs that increase the risk of osteoporosis or have diseases that increase this risk, this test is also applied. Children and adolescents their growth may also be accompanied by bone densitometry.

Bone densitometry contraindications

Although the radiation emitted by the machine is minimal, pregnant women or with suspected pregnancy should not undergo bone densitometry. People with severe obesity or who have taken iodine or barium contrasts in the previous two weeks they are also unable to take the exam.

How bone densitometry is done

Bone densitometry is quick and painless. Before taking the exam you will need to take your clothes off and put on a hospital gown, in addition to removing jewelry and watches. Then, you will lie on the device, on a padded table, and place your legs on a sponge support, aligning your pelvis and spine. Then, the laser of the device will bone scanning.

Periodicity of bone densitometry

This examination should be done every one or two years, depending on the medical prescription and the control of osteopenia or osteoporosis.

Photo: © Production Perig – Shutterstock.com

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