J
Jonathan Gear
Researcher at The Royal Marsden NHS Foundation Trust
Publications - 42
Citations - 702
Jonathan Gear is an academic researcher from The Royal Marsden NHS Foundation Trust. The author has contributed to research in topics: Dosimetry & Medicine. The author has an hindex of 11, co-authored 29 publications receiving 396 citations. Previous affiliations of Jonathan Gear include Institute of Cancer Research.
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EANM practical guidance on uncertainty analysis for molecular radiotherapy absorbed dose calculations
Jonathan Gear,Maurice G Cox,Johan Gustafsson,Katarina Sjögreen Gleisner,Iain Murray,Gerhard Glatting,Mark Konijnenberg,Glenn D. Flux +7 more
TL;DR: Consideration is given to propagating estimates of the quantities concerned and their associated uncertainties through the dosimetry chain to obtain an estimate of mean absorbed dose in the VOI and its associated uncertainty.
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Development of patient-specific molecular imaging phantoms using a 3D printer
Jonathan Gear,Clive D. C. Long,Dominic P Rushforth,Sarah J. Chittenden,Craig Cummings,Glenn D. Flux +5 more
TL;DR: This study investigated rapid prototyping technology for the production of patient-specific, cost-effective liquid fillable phantoms directly from patient CT data and the organ geometry showed good correspondence with anatomical references.
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Abdo-Man: a 3D-printed anthropomorphic phantom for validating quantitative SIRT
Jonathan Gear,Craig Cummings,Allison J. Craig,Antigoni Divoli,Clive D. C. Long,Michael Tapner,Glenn D. Flux +6 more
TL;DR: 3D printing is a flexible and cost-efficient technology for manufacture of anthropomorphic phantom that can be used as a validation tool for post-SIRT imaging and its application to dosimetry.
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The conflict between treatment optimization and registration of radiopharmaceuticals with fixed activity posology in oncological nuclear medicine therapy
Carlo Chiesa,K. Sjogreen Gleisner,Glenn D. Flux,Jonathan Gear,Stephan Walrand,Klaus Bacher,Uta Eberlein,Eric P. Visser,Nicolas Chouin,Michael Ljungberg,Manuel Bardiès,Michael Lassmann,Lidia Strigari,Mark Konijnenberg +13 more
TL;DR: To adhere to the optimization principle in oncological patients, nuclear medicine therapy should be based on individualized dosimetry, according to the new European Council Directive 2013/59.
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EANM dosimetry committee recommendations for dosimetry of 177Lu-labelled somatostatin-receptor- and PSMA-targeting ligands
Katarina Sjögreen Gleisner,Nicolas Chouin,Pablo Minguez Gabina,Francesco Cicone,Silvano Gnesin,Caroline Stokke,Mark Konijnenberg,Marta Cremonesi,Frederik A. Verburg,Peter Bernhardt,Uta Eberlein,Jonathan Gear +11 more
TL;DR: The EANM Dosimetry Committee as discussed by the authors provides recommendations and guidance to scientists and clinicians on patient-specific dosimetry for radiopharmaceuticals labelled with lutetium-177 (177Lu).