Zobrazeno 1 - 10
of 481
pro vyhledávání: '"Otto S, Hoekstra"'
Autor:
Elisabeth Pfaehler, Daniela Euba, Andreas Rinscheid, Otto S. Hoekstra, Josee Zijlstra, Joyce van Sluis, Adrienne H. Brouwers, Constantin Lapa, Ronald Boellaard
Publikováno v:
EJNMMI Physics, Vol 9, Iss 1, Pp 1-13 (2022)
Abstract Background Machine learning studies require a large number of images often obtained on different PET scanners. When merging these images, the use of harmonized images following EARL-standards is essential. However, when including retrospecti
Externí odkaz:
https://doaj.org/article/a1f04725e9a743b9bd1b08fc4e84537b
Autor:
Frederik Soffers, Nils Helsen, Tim Van den Wyngaert, Laurens Carp, Otto S. Hoekstra, Laurence Goethals, Michel Martens, Kristof Deben, Karoline Spaepen, Remco De Bree, Frank De Geeter, G. J. C. Zwezerijnen, Carl Van Laer, Alex Maes, Olivier Lenssen, Sigrid Stroobants, the ECLYPS Investigators
Publikováno v:
EJNMMI Research, Vol 12, Iss 1, Pp 1-11 (2022)
Abstract Background FDG-PET/CT has a high negative predictive value to detect residual nodal disease in patients with locally advanced squamous cell head and neck cancer after completing concurrent chemoradiotherapy (CCRT). However, the positive pred
Externí odkaz:
https://doaj.org/article/e9ba60f4f41e45a5a02c65b9b2f9bdd9
Autor:
Marc C. Huisman, C. Willemien Menke-van der Houven van Oordt, Josée M. Zijlstra, Otto S. Hoekstra, Ronald Boellaard, Guus A. M. S. van Dongen, Dhaval K. Shah, Yvonne W. S. Jauw
Publikováno v:
EJNMMI Research, Vol 11, Iss 1, Pp 1-7 (2021)
Abstract Background 89Zirconium-immuno-positron emission tomography (89Zr-immuno-PET) is used for assessment of target status to guide antibody-based therapy. We aim to determine the relation between antibody tumor uptake and target concentration to
Externí odkaz:
https://doaj.org/article/7ca500900e7d40a997a3ff94b199da2c
Repeatability of two semi-automatic artificial intelligence approaches for tumor segmentation in PET
Autor:
Elisabeth Pfaehler, Liesbet Mesotten, Gem Kramer, Michiel Thomeer, Karolien Vanhove, Johan de Jong, Peter Adriaensens, Otto S. Hoekstra, Ronald Boellaard
Publikováno v:
EJNMMI Research, Vol 11, Iss 1, Pp 1-11 (2021)
Abstract Background Positron emission tomography (PET) is routinely used for cancer staging and treatment follow-up. Metabolic active tumor volume (MATV) as well as total MATV (TMATV—including primary tumor, lymph nodes and metastasis) and/or total
Externí odkaz:
https://doaj.org/article/461be31f8fc2498086df5a6ae04e80f5
Autor:
Roland M. Martens, Thomas Koopman, Daniel P. Noij, Elisabeth Pfaehler, Caroline Übelhör, Sughandi Sharma, Marije R. Vergeer, C. René Leemans, Otto S. Hoekstra, Maqsood Yaqub, Gerben J. Zwezerijnen, Martijn W. Heymans, Carel F. W. Peeters, Remco de Bree, Pim de Graaf, Jonas A. Castelijns, Ronald Boellaard
Publikováno v:
EJNMMI Research, Vol 10, Iss 1, Pp 1-15 (2020)
Abstract Background Radiomics is aimed at image-based tumor phenotyping, enabling application within clinical-decision-support-systems to improve diagnostic accuracy and allow for personalized treatment. The purpose was to identify predictive 18-fluo
Externí odkaz:
https://doaj.org/article/e9eb6e3e52734f8994cff40763189297
Autor:
Lemonitsa H. Mammatas, Clasina M. Venema, Carolina P. Schröder, Henrica C. W. de Vet, Michel van Kruchten, Andor W. J. M. Glaudemans, Maqsood M. Yaqub, Henk M. W. Verheul, Epie Boven, Bert van der Vegt, Erik F. J. de Vries, Elisabeth G. E. de Vries, Otto S. Hoekstra, Geke A. P. Hospers, C. Willemien Menke-van der Houven van Oordt
Publikováno v:
EJNMMI Research, Vol 10, Iss 1, Pp 1-12 (2020)
Abstract Purpose Correct identification of tumour receptor status is important for treatment decisions in breast cancer. [18F]FES PET and [18F]FDHT PET allow non-invasive assessment of the oestrogen (ER) and androgen receptor (AR) status of individua
Externí odkaz:
https://doaj.org/article/f6dfe578bd1f40b29ae9ebae41c1886e
Autor:
Andres Kaalep, Coreline N. Burggraaff, Simone Pieplenbosch, Eline E. Verwer, Terez Sera, Josee Zijlstra, Otto S. Hoekstra, Daniela E. Oprea-Lager, Ronald Boellaard
Publikováno v:
EJNMMI Physics, Vol 6, Iss 1, Pp 1-16 (2019)
Abstract Purpose Recently, updated EARL specifications (EARL2) have been developed and announced. This study aims at investigating the impact of the EARL2 specifications on the quantitative reads of clinical PET–CT studies and testing a method to e
Externí odkaz:
https://doaj.org/article/1244a37d10a8476c99c66a0929b80c76
Autor:
Matthijs C. F. Cysouw, Gerbrand M. Kramer, Dennis Heijtel, Robert C. Schuit, Michael J. Morris, Alfons J. M. van den Eertwegh, Jens Voortman, Otto S. Hoekstra, Daniela E. Oprea-Lager, Ronald Boellaard
Publikováno v:
EJNMMI Research, Vol 9, Iss 1, Pp 1-12 (2019)
Abstract Objectives Whole body [18F]-fluorodihydrotestosterone positron emission tomography ([18F]FDHT PET) imaging directly targets the androgen receptor and is a promising prognostic and predictive biomarker in metastatic castration-resistant cance
Externí odkaz:
https://doaj.org/article/1b8c7e2c0ffd41dabcb09ad815d60f17
Autor:
Niels Verburg, Thomas Koopman, Maqsood Yaqub, Otto S. Hoekstra, Adriaan A. Lammertsma, Lothar A. Schwarte, Frederik Barkhof, Petra J. W. Pouwels, Jan J. Heimans, Jaap C. Reijneveld, Annemieke J. M. Rozemuller, William P. Vandertop, Pieter Wesseling, Ronald Boellaard, Philip C. de Witt Hamer
Publikováno v:
EJNMMI Research, Vol 9, Iss 1, Pp 1-9 (2019)
Abstract Background Positron emission tomography (PET) is increasingly used to guide local treatment in glioma. The purpose of this study was a direct comparison of two potential tracers for detecting glioma infiltration, O-(2-[18F]-fluoroethyl)-l-ty
Externí odkaz:
https://doaj.org/article/6d9c6a5bb9024f70a10e92b69f8c0b8e
Autor:
Guilherme D. Kolinger, David Vállez García, Gerbrand M. Kramer, Virginie Frings, Egbert F. Smit, Adrianus J. de Langen, Rudi A. J. O. Dierckx, Otto S. Hoekstra, Ronald Boellaard
Publikováno v:
EJNMMI Research, Vol 9, Iss 1, Pp 1-12 (2019)
Abstract Background Total metabolic active tumour volume (TMATV) and total tumour burden (TTB) are increasingly studied as prognostic and predictive factors in non-small cell lung cancer (NSCLC) patients. In this study, we investigated the repeatabil
Externí odkaz:
https://doaj.org/article/3d713e086e37471f9cb28544adbb8e47