From conception to clinical trial: IViST -- the first multi-sensor-based platform for real-time In Vivo dosimetry and Source Tracking in HDR brachytherapy

This study aims to introduce IViST (In Vivo Source Tracking), a novel multi-sensors dosimetry platform for real-time treatment monitoring in HDR brachytherapy. IViST is a platform that comprises 3 parts: 1) an optimized and characterized multi-point plastic scintillator dosimeter (3 points mPSD; usi...

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Hauptverfasser: Rosales, Haydee M. Linares, Cantin, Audrey, Aubin, Sylviane, Beddar, Sam, Beaulieu, Luc
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Cantin, Audrey
Aubin, Sylviane
Beddar, Sam
Beaulieu, Luc
description This study aims to introduce IViST (In Vivo Source Tracking), a novel multi-sensors dosimetry platform for real-time treatment monitoring in HDR brachytherapy. IViST is a platform that comprises 3 parts: 1) an optimized and characterized multi-point plastic scintillator dosimeter (3 points mPSD; using BCF-60, BCF-12, and BCF-10 scintillators), 2) a compact assembly of photomultiplier tubes (PMTs) coupled to dichroic mirrors and filters for high-sensitivity scintillation light collection, and 3) a Python-based graphical user interface used for system management and signal processing. IViST can simultaneously measure dose, triangulate source position, and measure dwell time. By making 100 000 measurements/s, IViST samples enough data to quickly perform key QA/QC tasks such as identifying wrong individual dwell time or interchanged transfer tubes. By using 3 co-linear sensors and planned information for an implant geometry (from DICOM RT), the platform can also triangulate source position in real-time. A clinical trial is presently on-going using the IViST system.
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title From conception to clinical trial: IViST -- the first multi-sensor-based platform for real-time In Vivo dosimetry and Source Tracking in HDR brachytherapy
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