dual energy x-ray absorptiometry

(redirected from Bone-density scanner)

dual energy x-ray absorptiometry

Measurement of bone mineral density by calculation of the absorptiometry at two different photon energies; used to evaluate osteoporosis at very low dosage.
See also: T-score.

dual energy x-ray absorptiometry

Abbreviation: DEXA; DXA
A radiographic technique used to measure the average density of the mineral concentration of bone (e.g., at the femur, the heel, or the forearm). It is used primarily in the diagnosis of osteopenia and osteoporosis.
See also: absorptiometry
References in periodicals archive ?
He spends his days hustling around the Bay area, toting one of the unwieldy bone-density scanners that were supposed to make him rich.