Advanced, multiple-projection, dual-energy x-ray absorptiometry system: Precision bone loss measurements on earth and in space

H. K. Charles, H. S. Feldmesser, T. C. Magee, T. J. Beck

Research output: Contribution to journalArticle

Abstract

Advanced, multiple-projection, and dual-energy X-ray Absoroptiometry (AMPDXA) project was undertaken to perform precision bone loss (PBL) measurements on Earth and in space. The project was a joint effort by a team from APL and JHU School of Medicine. The effort continued from 1998-2007 and was funded by the National Space Biomedical Research Institute (NSBRI). It produced technical results, including demonstration of the precision accuracy afforded by the 3-D multiple-projection technique. It focused on demonstrating that multiple projection was removed or minimized patient-positioning error. The demonstrations of the project were used on humans and its radiation levels were significantly lower than that of a computer-aided tomography.

Original languageEnglish (US)
Pages (from-to)212-213
Number of pages2
JournalJohns Hopkins APL Technical Digest (Applied Physics Laboratory)
Volume28
Issue number3
StatePublished - Mar 16 2010

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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