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ILLUMINATION PROFILE CHARACTERIZATION OF ...
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Document type :
Article dans une revue scientifique
Title :
ILLUMINATION PROFILE CHARACTERIZATION OF A LIGHT DEVICE FOR THE DOSIMETRY OF INTRA-PLEURAL PHOTODYNAMIC THERAPY FOR MESOTHELIOMA
Author(s) :
Munck, Camille [Auteur]
Thérapies Laser Assistées par l'Image pour l'Oncologie - U 1189 [ONCO-THAI]
Mordon, Serge [Auteur]
Thérapies Laser Assistées par l'Image pour l'Oncologie - U 1189 [ONCO-THAI]
Betrouni, Nacim [Auteur] refId
Thérapies Laser Assistées par l'Image pour l'Oncologie - U 1189 [ONCO-THAI]
Journal title :
Photodiagnosis and Photodynamic Therapy
Publisher :
Elsevier
Publication date :
2016-09-01
ISSN :
1572-1000
English keyword(s) :
Intrapleural photodynamic therapy
dosimetry
illumination profile
light device
HAL domain(s) :
Sciences du Vivant [q-bio]/Cancer
English abstract : [en]
BACKGROUND: Complete and homogeneous illumination of the pleural cavity is essential to the success of photodynamic therapy (PDT) for mesothelioma, but remains a challenge. Knowing the repartition and propagation of light ...
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BACKGROUND: Complete and homogeneous illumination of the pleural cavity is essential to the success of photodynamic therapy (PDT) for mesothelioma, but remains a challenge. Knowing the repartition and propagation of light around the light applicator could be the first step towards optimizing dosimetry. Here we propose a characterization method of the illumination profile of a specific light device.METHODS: The light wand, made of a cylindrical diffuser located inside an endotracheal tube, was fixed in a tank filled with dilute 0.01% intralipid. Light dosimetry was performed around the tip of the wand using two complementary methods: direct measurements of light power with an isotropic probe and measurements of light distribution characterization.RESULTS: Dosimetry with the isotropic probe showed an ellipse-shaped illumination. An optimized effective attenuation coefficient was deduced. Combined with the spatial representation, a theoretical illumination profile was established with iso-surfaces of fluence rate, defining a gradient light dose according to the distance from the diffuser.CONCLUSION: A theoretical illumination profile of a light device was established and could be part of an intra-operative dosimetry system to improve light delivery during intrapleural PDT.Copyright © 2016. Published by Elsevier B.V.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Collections :
  • Thérapies Lasers Assistées par l'Image pour l'Oncologie (ONCO-THAI) - U1189
Source :
Harvested from HAL
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