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Rectilinear Transmission Scanning of Irregular Bones for Quantification of Mineral Content

U.S. Public Health Service Hospital, San Francisco, California

Correspondence: For reprints contact: John M. Vogel, Nuclear Medicine Service, U.S. Public Health Service Hospital, 15th Ave. & Lake St., San Francisco, California 94118.

ABSTRACT

A system which permits accurate and reproducible evaluation of bone mineral content has been described. By utilizing the gamma absorption principle, various uncertainties of the radiographic approach are eliminated. The use of automated multi-row scanning and data handling techniques permits study of irregular bones as well as the more regularly-shaped bones of extremities which can be studied by single-line scans. The system's usefulness has been confirmed through its successful use in long-term studies of bed-rest subjects.

Further studies aimed at the evaluation of remedial measures in the prevention and treatment of disuse osteopenia are in progress.