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A bone density test may detect osteoporosis or osteopenia. [4] The usual response to either of these indications is consultation with a physician. [4] Bone density tests are not recommended for people without risk factors for weak bones, [5] [4] which is more likely to result in unnecessary treatment rather than discovery of a weakness.
Bone densities are often given to patients as a T score or a Z score. A T score tells the patient what their bone mineral density is in comparison to a young adult of the same gender with peak bone mineral density. A normal T score is -1.0 and above, low bone density is between -1.0 and -2.5, and osteoporosis is -2.5 and lower.
Bone density tests may help prevent expensive reparative treatments. If a doctor says a bone density test is medically necessary, Medicare will typically cover the cost.
The trabecular bone has much higher metabolic activity than the cortical bone and so is affected by age, disease and therapy-related changes earlier and to a greater degree than cortical bone. This means that QCT of the spine has an advantage compared to other bone density tests because earlier changes in bone mineral density may be detected . [1]
Older women aren't the only ones who need a bone density test. Younger women who have a fracture risk that’s similar to women who are 65 and up should also get tested.
Osteopenia, known as "low bone mass" or "low bone density", is a condition in which bone mineral density is low. [1] Because their bones are weaker, people with osteopenia may have a higher risk of fractures , and some people may go on to develop osteoporosis . [ 2 ]
DeGeneres discovered the osteoporosis or progressive bone weakness after taking a bone density test. “I don’t even know how I’m standing up right now. I’m like a human sandcastle. I could ...
The standard in bone mineral density scanning developed in the 1980s is called Dual X-ray Absorptiometry, known as DXA. The DXA technique uses two different x-ray energy levels to estimate bone density. DXA scans assume a constant relationship between the amounts of lean soft tissue and adipose tissue.
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