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  • Title: [The quantitative determination of bone mineral content--a system comparison of similarly built computed tomographs].
    Author: Andresen R, Radmer S, Banzer D, Felsenberg D, Wolf KJ.
    Journal: Rofo; 1994 Mar; 160(3):260-5. PubMed ID: 8136480.
    Abstract:
    An intercomparison of 4 CT scanners of the same manufacturer was performed. The bone mineral content of 11 lumbar vertebral columns removed directly post mortem was determined in a specially constructed lucite-water phantom. Even devices of the same construction were shown to yield a variation in the quantitative evaluation markedly exceeding the annual physiological mineral loss. As long as scanner adjustment by physical calibration phantoms has not yet been established, a course assessment and therapy control of bone mineral content should always be carried out on the same QCT scanner.
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