Compensating filter design using radiographic stereo shift information

Bruce J. Gerbi

Research output: Contribution to journalLetter

9 Scopus citations

Abstract

This paper describes a method of designing 3 dimensional compensating filters for radiation therapy using photon beams. A radiopaque grid is placed on the patient surface and stereo shift radiographs are taken of the treatment area. With the aid of a computer, tissue deficit information is calculated. Isothickness lines are plotted for the different missing tissue thicknesses and lead sheets with proper magnification are cut from these plots and assembled into the final tissue compensator.

Original languageEnglish (US)
Pages (from-to)646-648
Number of pages3
JournalMedical Physics
Volume12
Issue number5
DOIs
StatePublished - Sep 1985

Keywords

  • DESIGN
  • FILTERS
  • PHANTOMS
  • PHOTON BEAMS
  • RADIOTHERAPY
  • X RADIATION
  • X−RAY DOSIMETRY

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