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  • Title: Comparison of single- and dual-energy quantitative computed tomography for therapy control under antiosteoporotic treatment.
    Author: Pfeifer T, Ulrich U, Knöferl MW.
    Journal: In Vivo; 1994; 8(3):327-31. PubMed ID: 7803713.
    Abstract:
    Lumbar spine bone mineral density was determined in 50 female patients (mean age: 55.4 +/- 12.3 years), who were treated because of osteoporosis or osteopenia. Bone mineral density was assessed using single-energy QCT with 80 and 120 kV tube voltage and with dual-energy QCT. Compared to single-energy QCT, dual-energy QCT showed much higher variability of the bone density values obtained. Therefore we conclude that single energy QCT is a method that allows precise and reproducible determination of spinal bone mineral content under clinical conditions which cannot be further improved by the use of dual-energy QCT.
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