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Densitometers, Bone, Isotope, Dual-Photon Absorptiometry

Definition : Isotope bone densitometers that use two sources to yield a dual-energy (two discrete line spectra) beam of gamma rays (x-ray photons). In addition to the dual photon sources, these densitometers typically include a scanner, a dual-channel analyzer, and a computer with appropriate software. Dual-photon densitometers are used to assess bone mineral content in the axial skeleton, usually by measuring the lumbar spine and the hip region, including the proximal femur.

Entry Terms : "Absorptiometers, Dual-Photon" , "Dual-Photon Densitometers" , "Dual-Photon Absorptiometers" , "DPA Systems"

UMDC code : 17150

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