{"id":"https://openalex.org/W2386623903","doi":"https://doi.org/10.1118/1.4948683","title":"Dosimetric comparison of stopping power calibration with dual\u2010energy CT and single\u2010energy CT in proton therapy treatment planning","display_name":"Dosimetric comparison of stopping power calibration with dual\u2010energy CT and single\u2010energy CT in proton therapy treatment planning","publication_year":2016,"publication_date":"2016-05-13","ids":{"openalex":"https://openalex.org/W2386623903","doi":"https://doi.org/10.1118/1.4948683","mag":"2386623903","pmid":"https://pubmed.ncbi.nlm.nih.gov/27277033"},"language":"en","primary_location":{"id":"doi:10.1118/1.4948683","doi":"https://doi.org/10.1118/1.4948683","is_oa":true,"landing_page_url":"https://doi.org/10.1118/1.4948683","pdf_url":null,"source":{"id":"https://openalex.org/S95522064","display_name":"Medical Physics","issn_l":"0094-2405","issn":["0094-2405","1522-8541","2473-4209"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medical Physics","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1118/1.4948683","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5103648475","display_name":"Jiahua Zhu","orcid":"https://orcid.org/0009-0004-2142-8150","observed_orcids":["https://orcid.org/0009-0004-2142-8150"]},"institutions":[{"id":"https://openalex.org/I5681781","display_name":"The University of Adelaide","ror":"https://ror.org/00892tw58","country_code":"AU","type":"education","lineage":["https://openalex.org/I4405259444","https://openalex.org/I5681781"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Jiahua Zhu","raw_affiliation_strings":["Department of Physics, University of Adelaide, Adelaide, SA 5005, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Adelaide, Adelaide, SA 5005, Australia","institution_ids":["https://openalex.org/I5681781"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017206847","display_name":"Scott N. Penfold","orcid":"https://orcid.org/0000-0002-3422-9108","observed_orcids":["https://orcid.org/0000-0002-3422-9108"]},"institutions":[{"id":"https://openalex.org/I1320133117","display_name":"Royal Adelaide Hospital","ror":"https://ror.org/00carf720","country_code":"AU","type":"healthcare","lineage":["https://openalex.org/I1320133117","https://openalex.org/I4392738059"]},{"id":"https://openalex.org/I5681781","display_name":"The University of Adelaide","ror":"https://ror.org/00892tw58","country_code":"AU","type":"education","lineage":["https://openalex.org/I4405259444","https://openalex.org/I5681781"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Scott N. Penfold","raw_affiliation_strings":["Department of Physics, University of Adelaide, Adelaide, SA 5005, Australia and Department of Medical Physics, Royal Adelaide Hospital, Adelaide, SA 5000, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Adelaide, Adelaide, SA 5005, Australia and Department of Medical Physics, Royal Adelaide Hospital, Adelaide, SA 5000, Australia","institution_ids":["https://openalex.org/I1320133117","https://openalex.org/I5681781"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5017206847"],"corresponding_institution_ids":["https://openalex.org/I1320133117","https://openalex.org/I5681781"],"apc_list":{"value":3360,"currency":"USD","value_usd":3360},"apc_paid":{"value":3360,"currency":"USD","value_usd":3360},"fwci":9.2406,"has_fulltext":false,"cited_by_count":75,"citation_normalized_percentile":{"value":0.98275532,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"43","issue":"6Part1","first_page":"2845","last_page":"2854"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11176","display_name":"Radiation Therapy and Dosimetry","score":0.9535999894142151,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11176","display_name":"Radiation Therapy and Dosimetry","score":0.9535999894142151,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10358","display_name":"Advanced Radiotherapy Techniques","score":0.031199999153614044,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.008200000040233135,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/dual-energy-ct","display_name":"dual-energy CT","score":0.8360000252723694},{"id":"https://openalex.org/keywords/single-energy-ct","display_name":"single-energy CT","score":0.9330000281333923},{"id":"https://openalex.org/keywords/proton-therapy-treatment-planning","display_name":"proton therapy treatment planning","score":0.9629999995231628},{"id":"https://openalex.org/keywords/intensity-modulated-proton-therapy","display_name":"intensity-modulated proton therapy","score":0.8349999785423279},{"id":"https://openalex.org/keywords/hounsfield-units","display_name":"Hounsfield units","score":0.47099998593330383},{"id":"https://openalex.org/keywords/effective-atomic-number","display_name":"effective atomic number","score":0.9390000104904175},{"id":"https://openalex.org/keywords/tissue-composition","display_name":"tissue composition","score":0.3619999885559082},{"id":"https://openalex.org/keywords/phantom-dosimetry","display_name":"phantom dosimetry","score":0.7099999785423279}],"concepts":[{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.8420438170433044},{"id":"https://openalex.org/C2779244869","wikidata":"https://www.wikidata.org/wiki/Q507667","display_name":"Proton therapy","level":3,"score":0.7328505516052246},{"id":"https://openalex.org/C150432741","wikidata":"https://www.wikidata.org/wiki/Q1224749","display_name":"Digital Enhanced Cordless Telecommunications","level":3,"score":0.7149954438209534},{"id":"https://openalex.org/C146904657","wikidata":"https://www.wikidata.org/wiki/Q201332","display_name":"Stopping power","level":3,"score":0.6758697032928467},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.5860023498535156},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.5823630094528198},{"id":"https://openalex.org/C201645570","wikidata":"https://www.wikidata.org/wiki/Q830637","display_name":"Radiation treatment planning","level":3,"score":0.5134037733078003},{"id":"https://openalex.org/C187954543","wikidata":"https://www.wikidata.org/wiki/Q1501273","display_name":"Hounsfield scale","level":3,"score":0.47027188539505005},{"id":"https://openalex.org/C75088862","wikidata":"https://www.wikidata.org/wiki/Q2291081","display_name":"Dosimetry","level":2,"score":0.4488992691040039},{"id":"https://openalex.org/C31601959","wikidata":"https://www.wikidata.org/wiki/Q931309","display_name":"Medical imaging","level":2,"score":0.4367733597755432},{"id":"https://openalex.org/C54516573","wikidata":"https://www.wikidata.org/wiki/Q2294","display_name":"Proton","level":2,"score":0.43004310131073},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.3624778389930725},{"id":"https://openalex.org/C509974204","wikidata":"https://www.wikidata.org/wiki/Q180507","display_name":"Radiation therapy","level":2,"score":0.3427371680736542},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.30589088797569275},{"id":"https://openalex.org/C544519230","wikidata":"https://www.wikidata.org/wiki/Q32566","display_name":"Computed tomography","level":2,"score":0.2549833357334137},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.2463047206401825},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22818657755851746},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.20423027873039246},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.19191253185272217},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.09532827138900757},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.08797669410705566},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.0},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D002138","descriptor_name":"Calibration","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008953","descriptor_name":"Models, Anatomic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011522","descriptor_name":"Protons","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011874","descriptor_name":"Radiometry","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011879","descriptor_name":"Radiotherapy Dosage","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011880","descriptor_name":"Radiotherapy Planning, Computer-Assisted","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D011880","descriptor_name":"Radiotherapy Planning, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D014057","descriptor_name":"Tomography, X-Ray Computed","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D014057","descriptor_name":"Tomography, X-Ray Computed","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D019047","descriptor_name":"Phantoms, Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D050397","descriptor_name":"Radiotherapy, Intensity-Modulated","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D050397","descriptor_name":"Radiotherapy, Intensity-Modulated","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D061766","descriptor_name":"Proton Therapy","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D061766","descriptor_name":"Proton Therapy","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1118/1.4948683","doi":"https://doi.org/10.1118/1.4948683","is_oa":true,"landing_page_url":"https://doi.org/10.1118/1.4948683","pdf_url":null,"source":{"id":"https://openalex.org/S95522064","display_name":"Medical Physics","issn_l":"0094-2405","issn":["0094-2405","1522-8541","2473-4209"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medical Physics","raw_type":"journal-article"},{"id":"pmid:27277033","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/27277033","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medical physics","raw_type":"Comparative Study"}],"best_oa_location":{"id":"doi:10.1118/1.4948683","doi":"https://doi.org/10.1118/1.4948683","is_oa":true,"landing_page_url":"https://doi.org/10.1118/1.4948683","pdf_url":null,"source":{"id":"https://openalex.org/S95522064","display_name":"Medical Physics","issn_l":"0094-2405","issn":["0094-2405","1522-8541","2473-4209"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medical Physics","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.8371999859809875,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W192229044","https://openalex.org/W1501450030","https://openalex.org/W1550771087","https://openalex.org/W1856298316","https://openalex.org/W1923826647","https://openalex.org/W2001583012","https://openalex.org/W2001881071","https://openalex.org/W2002025007","https://openalex.org/W2005348841","https://openalex.org/W2015282797","https://openalex.org/W2022717269","https://openalex.org/W2026421256","https://openalex.org/W2031359912","https://openalex.org/W2045415729","https://openalex.org/W2047605537","https://openalex.org/W2082700018","https://openalex.org/W2087142074","https://openalex.org/W2090533577","https://openalex.org/W2091253863","https://openalex.org/W2111001758","https://openalex.org/W2120717940","https://openalex.org/W2123977609","https://openalex.org/W2216191610","https://openalex.org/W2226061686"],"related_works":["https://openalex.org/W1014889205","https://openalex.org/W4408874866","https://openalex.org/W6990515512","https://openalex.org/W3108627699","https://openalex.org/W7172532956","https://openalex.org/W4386902138","https://openalex.org/W2473140446","https://openalex.org/W2769034132","https://openalex.org/W2226061686","https://openalex.org/W3093764680"],"abstract_inverted_index":{"PURPOSE:":[0],"The":[1,20,140,182,201],"accuracy":[2,212,265],"of":[3,58,109,117,129,159,175,185,204,213,241,280,293,302,333,403,410,413],"proton":[4,37,83,118,180,222,366,389,426],"dose":[5,259,294,311,320,343,353],"calculation":[6,260,264,312,321,354],"is":[7,24,73,383],"dependent":[8],"on":[9,66,197,271,437],"the":[10,102,114,166,205,211,230,238,242,299,314,318,324,336,341,346,379,421,433],"ability":[11,90,396],"to":[12,25,88,91,112,150,165,170,179,190,209,236,257,268,276,306,330,394,397,419],"correctly":[13],"characterize":[14,398],"patient":[15,59,96,404],"tissues":[16],"with":[17,36,122,134,216,229,273,430],"medical":[18],"imaging.":[19],"most":[21],"common":[22],"method":[23],"correlate":[26],"computed":[27],"tomography":[28],"(CT)":[29],"numbers":[30],"obtained":[31],"via":[32],"single-energy":[33],"CT":[34,42,71,177],"(SECT)":[35],"stopping":[38],"power":[39],"ratio":[40],"(SPR).":[41],"numbers,":[43],"however,":[44],"cannot":[45],"discriminate":[46,92],"between":[47,93],"a":[48,107,135,145,152,172,192,331,370,411],"change":[49,54],"in":[50,55,95,163,323,335,352,369,425],"mass":[51],"density":[52,97,399],"and":[53,98,218,232,248,282,288,357,361,400,407],"chemical":[56,99,401],"composition":[57,111,131,164,203,402,415],"tissues.":[60,405],"This":[61],"limitation":[62],"can":[63],"have":[64,416],"consequences":[65],"SPR":[67,214,263],"calibration":[68,174,195,215],"accuracy.":[69,261],"Dual-energy":[70],"(DECT)":[72],"receiving":[74],"increasing":[75],"interest":[76],"as":[77],"an":[78,384],"alternative":[79],"imaging":[80,243,308,386],"modality":[81,387],"for":[82,286,309,313,359,378,388],"therapy":[84,119,223,390,427],"treatment":[85,120,225,367,372,391,428],"planning":[86,121,368,373,392,429],"due":[87],"its":[89,395],"changes":[94],"composition.":[100],"In":[101],"current":[103,434],"work":[104],"we":[105],"use":[106],"phantom":[108,128,141,167,206,412],"known":[110,130,202,414],"demonstrate":[113,420],"dosimetric":[115,239,300,422],"advantages":[116,301,423],"DECT":[123,154,193,233,274,303,337,382,408,431],"over":[124,432],"SECT.":[125,277,438],"METHODS:":[126],"A":[127,157],"was":[132,142,168,188,207,266,327,355,375],"scanned":[133],"clinical":[136],"SECT":[137,176,217,231,287,307,325,360,406],"radiotherapy":[138],"CT-simulator.":[139],"rescanned":[143],"at":[144],"lower":[146],"X-ray":[147],"tube":[148],"potential":[149],"generate":[151],"complimentary":[153],"image":[155,234],"set.":[156],"set":[158,184],"reference":[160,186],"materials":[161,187],"similar":[162],"used":[169,189,208,256,418],"perform":[171,191],"stoichiometric":[173,194],"number":[178],"SPRs.":[181],"same":[183],"based":[196,436],"effective":[198],"atomic":[199],"number.":[200],"assess":[210,237,258],"DECT.":[219],"Intensity":[220],"modulated":[221],"(IMPT)":[224],"plans":[226],"were":[227,255,284],"generated":[228],"sets":[235],"effect":[240],"modality.":[244],"Isodose":[245],"difference":[246,295],"maps":[247,296],"root":[249,347],"mean":[250,348],"square":[251,349],"(RMS)":[252,350],"error":[253,322,351],"calculations":[254],"RESULTS:":[262],"found":[267,285],"be":[269],"superior,":[270],"average,":[272],"relative":[275],"Maximum":[278],"errors":[279],"12.8%":[281],"2.2%":[283],"DECT,":[289,362],"respectively.":[290,363],"Qualitative":[291],"examination":[292],"clearly":[297],"showed":[298],"imaging,":[304],"compared":[305,329],"IMPT":[310],"case":[315],"investigated.":[316],"Quantitatively,":[317],"maximum":[319],"plan":[326],"7.8%,":[328],"value":[332],"1.4%":[334],"plan.":[338],"When":[339],"considering":[340],"high":[342],"target":[344],"region,":[345],"2.1%":[356],"0.4%":[358],"CONCLUSIONS:":[364],"DECT-based":[365],"commercial":[371],"system":[374],"successfully":[376],"demonstrated":[377],"first":[380],"time.":[381],"attractive":[385],"owing":[393],"scans":[409],"been":[417],"obtainable":[424],"approach":[435]},"counts_by_year":[{"year":2026,"cited_by_count":7},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":8},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":8},{"year":2017,"cited_by_count":16},{"year":2016,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
