{"title":"Arc-PET: Cost-Effective Whole-Body Scanner with High Sensitivity and High Spatial Resolution","authors":"Eric W. Petersen, Wei Zhao, A. Goldan","doi":"10.1109/NSS/MIC42677.2020.9507815","DOIUrl":null,"url":null,"abstract":"Current clinical positron emission tomography scanners are distinguished by their large, circular detector rings - necessary to minimize spatial blue from parallax and Compton scattering within the detector. Recent advances in detector capability, specifically depth-of-interaction (DOI) localization and Compton scatter recovery, enable alternative detector designs that are more conformal to the human body. In particular, the Prism- PET detector - a single-ended detector with a segmented light guide - has demonstrated potential in both DOI localization and Compton recovery. With this in mind, we propose a hexagonal detector geometry, Arc-PET, and develop analytical expressions to quantify the geometric efficiency and spatial resolution of the detector.","PeriodicalId":6760,"journal":{"name":"2020 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)","volume":"3 1","pages":"1-4"},"PeriodicalIF":0.0000,"publicationDate":"2020-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NSS/MIC42677.2020.9507815","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Current clinical positron emission tomography scanners are distinguished by their large, circular detector rings - necessary to minimize spatial blue from parallax and Compton scattering within the detector. Recent advances in detector capability, specifically depth-of-interaction (DOI) localization and Compton scatter recovery, enable alternative detector designs that are more conformal to the human body. In particular, the Prism- PET detector - a single-ended detector with a segmented light guide - has demonstrated potential in both DOI localization and Compton recovery. With this in mind, we propose a hexagonal detector geometry, Arc-PET, and develop analytical expressions to quantify the geometric efficiency and spatial resolution of the detector.
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