dual-photon absorptiometry


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dual-photon absorptiometry

A technique used to measure bone density.

Pros
DPA measures bone density of the vertebrae and hip (the bones most susceptible to clinical fractures), using very low doses of radiation.

Cons
Slower scan time than other methods.
References in periodicals archive ?
Single-photon absorptiometry measurements in the forearm, and both dual-photon absorptiometry and quantitative computed tomography in the spine indicate a premenopausal loss of bone mass [1-3] that becomes slightly more accentuated in the perimenopausal period [4].
BONE DENSITOMETRY MEASUREMENT TECHNIQUES Dual Energy X-Ray Absorptiometry (DEXA) Central Skeleton Evaluation Quantitative Computed Tomography (QCT) Radiographic Absorptiometry (RA) Single-Photon Absorptiometry (SPA) Dual-Photon Absorptiometry (DPA) Ultrasound (US) Technological Developments In Bone Densitometry During 90s X-Ray Synchrotrons Create New Imaging Opportunities A New Positioner for Precision Measurements Bone Structural Model by Stereolithography Technique in Ultrasound for Measuring Bone Density 5.
Dual-photon absorptiometry (DPA) of the lumbar spine was performed using a Novo BMC-Lab 22a densitometer with a gadolinium source.
20] Much of the controversy has centered on the suitability of single- vs dual-photon absorptiometry and whether one should screen all women.
Total body bone mineral and lean body mass by dual-photon absorptiometry.
These compartments once were determined separately using different techniques [6-8], but now they all can be studied using the same technique since technological developments in dual-photon absorptiometry (DPA), originally used for bone density studies [9, 10], now permit evaluation of TBBM, FFM, and F.