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Multicenter German reference data base for peripheral quantitative computer tomography

P Schneider1, S Butz, B Allolio

  • 1Klinik und Poliklinik für Nuklearmedizin, Universität Würzburg, Germany.

Technology and Health Care : Official Journal of the European Society for Engineering and Medicine
|October 1, 1995
PubMed
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A validated reference database for bone densitometry was established in Germany using a forearm phantom. This ensured consistent distal radius measurements across multiple peripheral quantitative computed tomography (pQCT) devices.

Area of Science:

  • Medical Imaging
  • Bone Densitometry
  • Biomedical Engineering

Background:

  • Widespread use of bone densitometers necessitates a validated reference population database in Europe.
  • Peripheral quantitative computed tomography (pQCT) devices require cross-calibration for accurate bone density measurements.

Purpose of the Study:

  • To establish a validated reference population database for distal radius measurements in Germany.
  • To cross-calibrate pQCT devices used in a multicenter study.

Main Methods:

  • Utilized a semianthropomorphic forearm cross-calibration phantom (EFP) developed by the European Union's COMAC-BME program.
  • Cross-calibrated pQCT devices at four German centers participating in a multicenter study.
  • Collected data from 723 women and 208 men to form the normal database.

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Main Results:

  • No significant regional differences were found in the data collected from different centers.
  • Proper calibration of pQCT devices was monitored using the EFP and the normal database.
  • Ensured uniform reference data for distal radius measurements across all participating pQCT devices.

Conclusions:

  • The study successfully established a uniform reference database for distal radius measurements in Germany.
  • The use of the EFP and multicenter collaboration ensured consistent and reliable bone density data.
  • This facilitates accurate interpretation of bone densitometry results across different devices and locations.