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The chief benefit of using a high and low x-ray energy source with a dxa system is to demonstrate attenuation differences between bone and soft tissue.
A DXA scan typically aids a physician in determining bone density. It might also be useful for figuring out body composition, like the ratio of lean muscle to fat. Two low-energy X-ray beams are used in the dual-energy X-ray absorptiometry (DXA) scan. This enables the picture to display both bone and soft tissue.
A DXA scan is usually more accurate than a standard X-ray when doctors need to determine whether a patient has low bone density or whether the problem is worsening since it may spot even minute changes in bone loss. The amount of visceral fat that the body accumulates around particular internal organs can also be estimated using the data.
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