dual energy x-ray absorptiometry


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Related to dual energy x-ray absorptiometry: DEXA scan, Bone Density Test

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 ?
79%) all gave mean values for percentage body fat that were similar to the mean value for dual energy x-ray absorptiometry (mean 24.
Key words: Body fat, adult, bioelectrical impedance, near infrared interactance, dual energy x-ray absorptiometry, nutritional assessment
The aim of this study was to compare assessments of percentage body fat obtained using these two field methods to the reference method, dual energy x-ray absorptiometry (DXA).
While the above factors will fuel market progress, the high costs of digital mammography screening systems and axial dual energy X-ray absorptiometry (DEXA) bone densitometry systems are likely to be a deterrent.
Since then, MDM has become one of the leading providers of quality assurance and data management services for dual energy x-ray absorptiometry (used for bone densitometry and body composition measurements), ultrasound imaging and other radiological procedures.
Secondary analyses will examine (1) the effect of the therapy on the functional muscle-bone unit, (2) the impact of pubertal stage, physical activity, and disease characteristics on the response to the therapy, and (3) the sensitivity of traditional dual energy x-ray absorptiometry (DEXA) measures of BMD to treatment effects.
Hologic has long been a pioneer in array-based X-ray imaging with our dual energy X-ray absorptiometry densitometers.
DXL technology estimates bone mineral density (BMD), using the conventional dual energy x-ray absorptiometry technique (DXA), but adds laser measurement of the region of interest.
Among the variety of bone density assessment techniques available, Dual Energy X-Ray Absorptiometry (DEXA) is the most popular and is widely considered the gold standard for osteoporosis detection.
Other body composition measurement methods include skinfold calipers, bioelectrical impedance, and dual energy x-ray absorptiometry.

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