Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Patricia Cambraia Lopes"'
Autor:
Lisa Klaassen, Corné Haasjes, Martijn Hol, Patricia Cambraia Lopes, Kees Spruijt, Christal van de Steeg-Henzen, Khanh Vu, Pauline Bakker, Coen Rasch, Berit Verbist, Jan-Willem Beenakker
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 31, Iss , Pp 100598- (2024)
Background & purpose: Magnetic resonance imaging (MRI) is increasingly used in treatment preparation of ocular proton therapy, but its spatial accuracy might be limited by geometric distortions due to susceptibility artefacts. A correct geometry of t
Externí odkaz:
https://doaj.org/article/880065a79b3a43639a0f403fca2e687f
Autor:
Linda Rossi, Patricia Cambraia Lopes, Joana Marques Leitão, Cecile Janus, Marjan van de Pol, Sebastiaan Breedveld, Joan Penninkhof, Ben J.M. Heijmen
Publikováno v:
Frontiers in Oncology, Vol 11 (2021)
Background and PurposeLiterature is non-conclusive regarding selection of beam configurations in radiotherapy for mediastinal lymphoma (ML) radiotherapy, and published studies are based on manual planning with its inherent limitations. In this study,
Externí odkaz:
https://doaj.org/article/e798aa702dac4092987ab941e9b1ed68
Autor:
Nils Peters, Vicki Trier Taasti, Benjamin Ackermann, Alessandra Bolsi, Christina Vallhagen Dahlgren, Malte Ellerbrock, Francesco Fracchiolla, Carles Gomà, Joanna Góra, Patricia Cambraia Lopes, Ilaria Rinaldi, Koen Salvo, Ivanka Sojat Tarp, Alessandro Vai, Thomas Bortfeld, Antony Lomax, Christian Richter, Patrick Wohlfahrt
Publikováno v:
Peters, N, Trier Taasti, V, Ackermann, B, Bolsi, A, Vallhagen Dahlgren, C, Ellerbrock, M, Fracchiolla, F, Gomà, C, Góra, J, Cambraia Lopes, P, Rinaldi, I, Salvo, K, Sojat Tarp, I, Vai, A, Bortfeld, T, Lomax, A, Richter, C & Wohlfahrt, P 2023, ' Consensus guide on CT-based prediction of stopping-power ratio using a Hounsfield look-up table for proton therapy ', Radiotherapy and Oncology, vol. 184, 109675 . https://doi.org/10.1016/j.radonc.2023.109675
Background and purpose: Studies have shown large variations in stopping-power ratio (SPR) prediction from computed tomography (CT) across European proton centres. To standardise this process, a step-by-step guide on specifying a Hounsfield look-up ta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cde091e4de0d431a9879589294a575c3
https://pure.au.dk/portal/da/publications/consensus-guide-on-ctbased-prediction-of-stoppingpower-ratio-using-a-hounsfield-lookup-table-for-proton-therapy(0f833db5-91e1-439c-8cad-765a81d4d640).html
https://pure.au.dk/portal/da/publications/consensus-guide-on-ctbased-prediction-of-stoppingpower-ratio-using-a-hounsfield-lookup-table-for-proton-therapy(0f833db5-91e1-439c-8cad-765a81d4d640).html
Autor:
J. Penninkhof, Joana Marques Leitão, Ben J.M. Heijmen, Sebastiaan Breedveld, Linda Rossi, Patricia Cambraia Lopes, Cecile P.M. Janus, Marjan van de Pol
Publikováno v:
Frontiers in Oncology, 11:619929. Frontiers Media S.A.
Frontiers in Oncology
Frontiers in Oncology, Vol 11 (2021)
Frontiers in Oncology
Frontiers in Oncology, Vol 11 (2021)
Background and PurposeLiterature is non-conclusive regarding selection of beam configurations in radiotherapy for mediastinal lymphoma (ML) radiotherapy, and published studies are based on manual planning with its inherent limitations. In this study,
Publikováno v:
IEEE Transactions on Radiation and Plasma Medical Sciences. 2:510-519
Much attention is currently being paid to imaging prompt gamma (PG) rays for in vivo proton range monitoring in proton therapy. PG imaging using a collimator is affected by neutron-related background. We study the effectiveness of background reductio
Autor:
R.F. Marques, Dennis R. Schaart, Patricia Cambraia Lopes, Hugo Simoes, Katia Parodi, Paulo Crespo
Publikováno v:
Physica Medica: an international journal devoted to the applications of physics to medicine and biology, 54
Prompt-gamma (PG) imaging has the potential for monitoring proton therapy in real time. Different approaches are investigated. We focus on developing multi-slat collimators to image PG quanta, aiming at optimizing collimator performance to detect dev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac84b90b3b7e994a7f0a2b34e995af51
http://resolver.tudelft.nl/uuid:50b235cc-e7b6-4bc4-b6c6-3307229f736b
http://resolver.tudelft.nl/uuid:50b235cc-e7b6-4bc4-b6c6-3307229f736b
Autor:
Frauke Roellinghoff, S. Henrotin, Patricia Cambraia Lopes, Katia Parodi, Frédéric Stichelbaut, J. Huizenga, Damien Prieels, Enrico Clementel, Dennis R. Schaart, Paulo Crespo, Guillaume Janssens, Julien Smeets
Publikováno v:
Physics in Medicine and Biology. 60:6063-6085
Proton range monitoring may facilitate online adaptive proton therapy and improve treatment outcomes. Imaging of proton-induced prompt gamma (PG) rays using a knife-edge slit collimator is currently under investigation as a potential tool for real-ti
Autor:
Patricia Cambraia Lopes, Marco Pinto, D. Oxley, Dennis R. Schaart, Aleksandra Biegun, Peter Dendooven, Frank Verhaegen, Enrica Seravalli, Paulo Crespo, Ilaria Rinaldi, Katia Parodi
Publikováno v:
Physics in Medicine and Biology, 57(20), 6429-6444. IOP PUBLISHING LTD
Physics in Medicine and Biology, 57(20), 6429-6444. IOP Publishing Ltd.
Physics in Medicine and Biology; Vol 57
Physics in Medicine and Biology
Physics in Medicine and Biology, 57(20), 6429-6444. IOP Publishing Ltd.
Physics in Medicine and Biology; Vol 57
Physics in Medicine and Biology
Therapeutic proton and heavier ion beams generate prompt gamma photons that may escape from the patient. In principle, this allows for real-time, in situ monitoring of the treatment delivery, in particular, the hadron range within the patient, by ima
Autor:
Abílio Almeida, Jose Machado Lopes, Rui Henrique, Martin Ledinsky, Joaquim Agostinho Moreira, Albino Oliveira, Artur Esteves, Patricia Cambraia Lopes, Ivan Gregora
Publikováno v:
Scopus-Elsevier
In this work, we considered the feasibility of Raman spectroscopy for discriminating between adenocarcinomatous and normal mucosal formalin-fixed colonic tissues. Unlike earlier studies in colorectal cancer, a spectral deconvolution model was impleme
Autor:
Marco Pinto, Frank Verhaegen, Peter Dendooven, Paulo Crespo, Patricia Cambraia Lopes, E. Seravalli, D. Oxley, Dennis R. Schaart, Aleksandra Biegun, Katia Parodi, Ilaria Rinaldi
Publikováno v:
2011 IEEE Nuclear Science Symposium Conference Record.
The aim of this work is to seek for an optimal angular detection of prompt photons emitted perpendicularly to the beam direction using a time-of-flight technique, which enables a huge neutron background rejection. A homogeneous PMMA phantom was studi