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Proceedings Paper

Radio-opaque isotropic fiber optic probes for in vivo photodynamic therapy dosimetry
Author(s): Emma J. Hudson; Mark R. Stringer; Hugo J. van Staveren; Michael A. Smith
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Paper Abstract

When measuring laser light distribution in tissue during photodynamic therapy, accurate determination of the position of the monitoring probes is vital. For this purpose, computerized tomographic scanning has been incorporated into our treatment routine. Different mixtures of barium sulphate powder and an opaque dental sealant were used in the construction of probes which could be imaged on a computerized tomographic scan. These were tested for radio- opacity, isotropy and strength, and a mixture of 27% barium sulphate powder and 73% opaque dental sealant was found to be suitable.

Paper Details

Date Published: 1 March 1994
PDF: 6 pages
Proc. SPIE 2078, Photodynamic Therapy of Cancer, (1 March 1994); doi: 10.1117/12.168717
Show Author Affiliations
Emma J. Hudson, Univ. of Leeds/Leeds General Infirmary (United Kingdom)
Mark R. Stringer, Univ. of Leeds/Leeds General Infirmary (United Kingdom)
Hugo J. van Staveren, Dr. Daniel den Hoed Cancer Ctr. (Netherlands)
Michael A. Smith, Univ. of Leeds/Leeds General Infirmary (United Kingdom)


Published in SPIE Proceedings Vol. 2078:
Photodynamic Therapy of Cancer
Giulio Jori; Johan Moan; Willem M. Star, Editor(s)

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