dual x-ray absorptiometry


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Related to dual x-ray absorptiometry: DXA, bone mineral density, Dual energy X-ray absorptiometry, DEXA scan, Bone Density Test

du·al x-ray ab·sorp·ti·om·e·try

(DXA) (dū'ăl eks'rā ăb-sorp'shē-om'ĕ-trē)
Use of low-dose x-radiation of two different energies to measure bone mineral content and fat:lean ratios at different anatomic sites.
References in periodicals archive ?
Direct measures of adiposity, such as those obtained by dual x-ray absorptiometry (DXA), are far more precise, Dr.
In one randomized, double-blind study, for example, 51 postmenopausal women with osteopenia were treated with alendronate or placebo and followed over a 2-year period by 3-T MRI of the radius, tibia, and femur; hr-pQCT of the radius and tibia; and dual x-ray absorptiometry measures of bone mineral density.
The study confirmed previous reports that bone mineral density (BMD) as measured by dual x-ray absorptiometry (DXA) is higher in women with type 2 diabetes than in women without diabetes.
Comparison of ultrasound and dual x-ray absorptiometry measurements in the calcaneus.
Seventy-three volunteers (45 women, 28 men) were measured for whole body Z at 50 kHz (RJL Systems Quantum X) and body composition by pencil beam dual x-ray absorptiometry (Hologic, Inc.
The researchers followed 125 girls from prepuberty to pubertal maturity, assessing BMD using dual x-ray absorptiometry at both fractured and nonfractured sites including the ultradistal radius, proximal radius, femur trochanter, lumbar spine, femur neck, and femur diaphysis.
The researchers followed 125 girls from prepuberty to pubertal maturity, assessing BMC using dual x-ray absorptiometry at both fractured and nonfractured sites including the ultradistal radius, proximal radius, femur trochanter, lumbar spine, femur neck, and femur diaphysis.
Which central dual x-ray absorptiometry (DXA) skeletal sites and regions of interest should be used to determine the diagnosis of osteoporosis?
Body composition was determined by using dual x-ray absorptiometry (DXA; QDR 2000; Hologic Inc.
Bone mineral density of the lumbar spine, femoral neck and hip as well as body composition were measured by dual x-ray absorptiometry (DXA).
The women were classified as osteopenic or osteoporotic based on bone mineral density (BMD) measures taken by dual x-ray absorptiometry of the femoral neck or spine.

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