Development and performance evaluation of a novel scintillation-based active shielding gamma probe

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dc.authorscopusidOnur Buğra Kolcu / 57936993500
dc.authorwosidOnur Buğra Kolcu / P-4990-2015
dc.contributor.authorKolcu, Onur Buğra
dc.contributor.authorYetkin, Taylan
dc.contributor.authorZengin, A. T.
dc.contributor.authorİren, Emre
dc.contributor.authorGünay, E. C.
dc.date.accessioned2025-04-18T08:59:40Z
dc.date.available2025-04-18T08:59:40Z
dc.date.issued2024
dc.departmentİstinye Üniversitesi, Diş Hekimliği Fakültesi, Klinik Bilimler Bölümü
dc.description.abstractThe gamma probe is a commonly used detector for localizing sentinel lymph nodes after the injection of radiopharmaceuticals. In recent years, studies have focused on improving the features of gamma probes to achieve more consistent localization of the radiotracer uptake. As part of this effort, a novel gamma probe prototype based on an active shielding was developed, and its characteristics, including sensitivity, resolution and shielding effectiveness, were determined. The prototype integrates trapezoidal-shaped bismuth germanate (BGO) array coupled with a silicon photomultiplier (SiPM) array, accompanied by dedicated electronics and software for stand alone usage. We conducted a thorough characterization, validating experimental observations through Monte Carlo simulations using the GEANT4 simulation package. In scattering environment, with a probe-source distance of 30 mm, the experimental results show that the detector sensitivity is 120±5 cps/MBq, and the spatial and angular resolutions, in terms of full width at half maximum (FWHM), are 44.8±1.3 mm and 87.3±1.5∘, respectively. The shielding effectiveness of the probe was determined to be greater than 95%. The prototype with active shielding was found to have comparable performance to conventional gamma probes. © Australasian College of Physical Scientists and Engineers in Medicine 2024.
dc.identifier.citationKolcu, O. B., Yetkin, T., Zengin, A. T., Iren, E., & Günay, E. C. (2024). Development and performance evaluation of a novel scintillation-based active shielding gamma probe. Physical and Engineering Sciences in Medicine, 1-10.
dc.identifier.doi10.1007/s13246-024-01474-1
dc.identifier.issn26624729
dc.identifier.scopus2-s2.0-85201296827
dc.identifier.scopusqualityQ1
dc.identifier.urihttp://dx.doi.org/10.1007/s13246-024-01474-1
dc.identifier.urihttps://hdl.handle.net/20.500.12713/6658
dc.identifier.wosWOS:001295526200004
dc.identifier.wosqualityQ2
dc.indekslendigikaynakScopus
dc.indekslendigikaynakWeb of Science
dc.institutionauthorKolcu, Onur Buğra
dc.institutionauthoridOnur Buğra Kolcu / 0000-0002-9177-1286
dc.language.isoen
dc.publisherSpringer Science and Business Media Deutschland GmbH
dc.relation.ispartofPhysical and Engineering Sciences in Medicine
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectActive Shielding
dc.subjectGamma Probes
dc.subjectIntra-Operative Probes
dc.subjectSentinel Lymph Node
dc.titleDevelopment and performance evaluation of a novel scintillation-based active shielding gamma probe
dc.typeArticle

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