Method for improving photodynamic diagnosis and surgery of bladder tumours using cystoscopes

Lars René Lindvold, Gregers G. Hermann

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    Abstract

    We present a new concept on how to remove unwanted green fluorescence from urine during Photodynamic Diagnostics of tumours in the bladder using cystoscopy. A high power LED based light source (525 nm) has been made in our laboratory. This light source is tailored to match most commercially available rigid cystoscopes. A suitable spectral filter and adapter, for the eyepiece of the cystoscope, has been selected which allows the urologist to observe both red fluorescence from tumours and autofluorescence from healthy tissue at the same time.
    Original languageEnglish
    Title of host publicationProceedings of SPIE
    Number of pages11
    Volume9303
    PublisherSPIE - International Society for Optical Engineering
    Publication date2015
    Article number93030V
    DOIs
    Publication statusPublished - 2015
    EventPhotonic Therapeutics and Diagnostics XI - San Francisco, CA, United States
    Duration: 7 Feb 20158 Feb 2015
    Conference number: 11

    Conference

    ConferencePhotonic Therapeutics and Diagnostics XI
    Number11
    CountryUnited States
    CitySan Francisco, CA
    Period07/02/201508/02/2015
    SeriesProceedings of SPIE, the International Society for Optical Engineering
    Volume9303
    ISSN0277-786X

    Bibliographical note

    Copyright 2015 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

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