A DEXA scan usually helps a doctor assess bone density. It may also have uses in determining body composition, such as the percentage of lean muscle and fat. The dual-energy X-ray absorptiometry (DEXA ...

Bone densitometry is a test like an X-ray that quickly and accurately measures the density of bone. It is used primarily to detect osteopenia or osteoporosis, diseases in which the bone's mineral and ...

For a sidebar on how this story came together, click here. Dual-energy x-ray absorptiometry (DXA) has long been the gold standard for osteoporosis screening. But now, thousands of patients may be ...