Dual-energy X-ray absorptiometry (DEXA or DXA) is a radiologic study that evaluates bone density, says Dr. Jian Q. “Michael” Yu, the chief of nuclear medicine and PET at Fox Chase Cancer ...

DEXA or DXA stands for “Dual Energy X-ray Absorptiometry,” which is a type of bone density technology. The DEXA machine takes a picture of your bones and calculates their density. Physicians commonly ...