Dual energy CT tissue quantitation for Monte-Carlo based treatment planning for brachytherapy

Slobodan Devic, James I. Monroe, Sasa Mutic, Bruce Whiting, Jeffrey F. Williamson

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

A new experimental method using dual-energy CT tissue-quantization (DECTQ) is proposed to identify compositional and geometric characteristics of tissue heterogeneities in and around low-energy seed implant sites. The method is based on the assumption that the total attenuation coefficient of an arbitrary material can be expressed as a linear combination of mass attenuation coefficients of two basis materials. We have validated the method in the energy range from 10-1000 keV demonstrating that all cross-section data needed for Monte Carlo simulation in this energy range can be obtained with satisfactory accuracy.

Original languageEnglish
Pages (from-to)364-367
Number of pages4
JournalAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
Volume1
DOIs
StatePublished - Jan 1 2000

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