{"id":"https://openalex.org/W7224864646","doi":"https://doi.org/10.1097/rct.0000000000001936","title":"Size and Attenuation Measurements for Urinary Stone on Virtual Monoenergetic Images Derived From Dual Layer Spectral CT: A Phantom Study","display_name":"Size and Attenuation Measurements for Urinary Stone on Virtual Monoenergetic Images Derived From Dual Layer Spectral CT: A Phantom Study","publication_year":2026,"publication_date":"2026-10-30","ids":{"openalex":"https://openalex.org/W7224864646","doi":"https://doi.org/10.1097/rct.0000000000001936","pmid":"https://pubmed.ncbi.nlm.nih.gov/42960671"},"language":"en","primary_location":{"id":"doi:10.1097/rct.0000000000001936","doi":"https://doi.org/10.1097/rct.0000000000001936","is_oa":false,"landing_page_url":"https://doi.org/10.1097/rct.0000000000001936","pdf_url":null,"source":{"id":"https://openalex.org/S114479970","display_name":"Journal of Computer Assisted Tomography","issn_l":"0363-8715","issn":["0363-8715","1532-3145"],"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-40","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computer Assisted Tomography","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031589074","display_name":"Yannan Cheng","orcid":"https://orcid.org/0000-0002-8911-5829","observed_orcids":["https://orcid.org/0000-0002-8911-5829"]},"institutions":[{"id":"https://openalex.org/I4210164563","display_name":"Neurology, Inc","ror":"https://ror.org/05ne0gd95","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210164563"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yannan Cheng","raw_affiliation_strings":["Neurology","Radiology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neurology","institution_ids":["https://openalex.org/I4210164563"]},{"raw_affiliation_string":"Radiology","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160171602","display_name":"Yanfei Cheng","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210164563","display_name":"Neurology, Inc","ror":"https://ror.org/05ne0gd95","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210164563"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yanfei Cheng","raw_affiliation_strings":["Neurology","Radiology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neurology","institution_ids":["https://openalex.org/I4210164563"]},{"raw_affiliation_string":"Radiology","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160229618","display_name":"Yanan Li","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yanan Li","raw_affiliation_strings":["Radiology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radiology","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100388711","display_name":"Lu Zhang","orcid":"https://orcid.org/0000-0003-3688-7013","observed_orcids":["https://orcid.org/0000-0003-3688-7013"]},"institutions":[{"id":"https://openalex.org/I4210121771","display_name":"First Affiliated Hospital of Xi'an Jiaotong University","ror":"https://ror.org/02tbvhh96","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210121771"]},{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lu Zhang","raw_affiliation_strings":["Urology, The First Affiliated Hospital of Xi\u2019an Jiaotong University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Urology, The First Affiliated Hospital of Xi\u2019an Jiaotong University","institution_ids":["https://openalex.org/I4210121771","https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101302064","display_name":"Ganglian Fan","orcid":"https://orcid.org/0009-0006-0066-9937","observed_orcids":["https://orcid.org/0009-0006-0066-9937"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ganglian Fan","raw_affiliation_strings":["Radiology"],"raw_orcid":"https://orcid.org/0009-0006-0066-9937","affiliations":[{"raw_affiliation_string":"Radiology","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160166864","display_name":"Xiaoyue Zhang","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xiaoyue Zhang","raw_affiliation_strings":["CT Clinical Science, Philips Healthcare, Xi\u2019an, Shaanxi Province, PR China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CT Clinical Science, Philips Healthcare, Xi\u2019an, Shaanxi Province, PR China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160165413","display_name":"Huan Wang","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Huan Wang","raw_affiliation_strings":["Radiology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radiology","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086833756","display_name":"Le Cao","orcid":"https://orcid.org/0009-0003-6951-3787","observed_orcids":["https://orcid.org/0009-0003-6951-3787"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Le Cao","raw_affiliation_strings":["Radiology"],"raw_orcid":"https://orcid.org/0009-0003-6951-3787","affiliations":[{"raw_affiliation_string":"Radiology","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160230539","display_name":"Tianze Wang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210164563","display_name":"Neurology, Inc","ror":"https://ror.org/05ne0gd95","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210164563"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tianze Wang","raw_affiliation_strings":["Neurology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neurology","institution_ids":["https://openalex.org/I4210164563"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068876730","display_name":"Jianxin Guo","orcid":"https://orcid.org/0000-0003-3655-8914","observed_orcids":["https://orcid.org/0000-0003-3655-8914"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jianxin Guo","raw_affiliation_strings":["Radiology"],"raw_orcid":"https://orcid.org/0000-0003-3655-8914","affiliations":[{"raw_affiliation_string":"Radiology","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.74869019,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.8676999807357788,"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"}},"topics":[{"id":"https://openalex.org/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.8676999807357788,"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"}},{"id":"https://openalex.org/T10606","display_name":"Kidney Stones and Urolithiasis Treatments","score":0.11829999834299088,"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/T10844","display_name":"Radiation Dose and Imaging","score":0.003700000001117587,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/urolithiasis","display_name":"urolithiasis","score":0.6890000104904175},{"id":"https://openalex.org/keywords/virtual-monoenergetic-images","display_name":"virtual monoenergetic images","score":0.8420000076293945},{"id":"https://openalex.org/keywords/spectral-ct","display_name":"spectral CT","score":0.800000011920929},{"id":"https://openalex.org/keywords/dual-layer-detector","display_name":"dual-layer detector","score":0.765999972820282},{"id":"https://openalex.org/keywords/stone-size-measurement","display_name":"stone size measurement","score":0.8830000162124634},{"id":"https://openalex.org/keywords/calcium-oxalate-stones","display_name":"calcium oxalate stones","score":0.8939999938011169},{"id":"https://openalex.org/keywords/radiation-dose","display_name":"radiation dose","score":0.7350000143051147},{"id":"https://openalex.org/keywords/slice-thickness","display_name":"slice thickness","score":0.8859999775886536},{"id":"https://openalex.org/keywords/window-settings","display_name":"window settings","score":0.7990000247955322},{"id":"https://openalex.org/keywords/phantom-study","display_name":"phantom study","score":0.45399999618530273}],"concepts":[{"id":"https://openalex.org/C184652730","wikidata":"https://www.wikidata.org/wiki/Q2357982","display_name":"Attenuation","level":2,"score":0.7695000171661377},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.6700000166893005},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.5896999835968018},{"id":"https://openalex.org/C2779751349","wikidata":"https://www.wikidata.org/wiki/Q1474480","display_name":"Scanner","level":2,"score":0.5590999722480774},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5052000284194946},{"id":"https://openalex.org/C187954543","wikidata":"https://www.wikidata.org/wiki/Q1501273","display_name":"Hounsfield scale","level":3,"score":0.5012000203132629},{"id":"https://openalex.org/C123688308","wikidata":"https://www.wikidata.org/wiki/Q7309537","display_name":"Correction for attenuation","level":3,"score":0.46470001339912415},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.39169999957084656},{"id":"https://openalex.org/C136229726","wikidata":"https://www.wikidata.org/wiki/Q327092","display_name":"Biomedical engineering","level":1,"score":0.3555000126361847},{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.3472000062465668},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.3409999907016754},{"id":"https://openalex.org/C153385146","wikidata":"https://www.wikidata.org/wiki/Q18335","display_name":"Radiation","level":2,"score":0.3319999873638153},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.32919999957084656},{"id":"https://openalex.org/C2775904910","wikidata":"https://www.wikidata.org/wiki/Q127526","display_name":"Half-value layer","level":4,"score":0.32919999957084656},{"id":"https://openalex.org/C2993148961","wikidata":"https://www.wikidata.org/wiki/Q5294","display_name":"Dual layer","level":3,"score":0.32589998841285706},{"id":"https://openalex.org/C36454342","wikidata":"https://www.wikidata.org/wiki/Q245341","display_name":"Radiography","level":2,"score":0.3240000009536743},{"id":"https://openalex.org/C136948725","wikidata":"https://www.wikidata.org/wiki/Q1458306","display_name":"Soft tissue","level":2,"score":0.31380000710487366},{"id":"https://openalex.org/C94898600","wikidata":"https://www.wikidata.org/wiki/Q241433","display_name":"Flat panel detector","level":3,"score":0.313400000333786},{"id":"https://openalex.org/C2778751112","wikidata":"https://www.wikidata.org/wiki/Q835016","display_name":"Window (computing)","level":2,"score":0.303600013256073},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.26019999384880066},{"id":"https://openalex.org/C159774933","wikidata":"https://www.wikidata.org/wiki/Q902086","display_name":"Attenuation coefficient","level":2,"score":0.2526000142097473},{"id":"https://openalex.org/C9267231","wikidata":"https://www.wikidata.org/wiki/Q15841445","display_name":"Image-guided radiation therapy","level":3,"score":0.25099998712539673},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.25060001015663147}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1097/rct.0000000000001936","doi":"https://doi.org/10.1097/rct.0000000000001936","is_oa":false,"landing_page_url":"https://doi.org/10.1097/rct.0000000000001936","pdf_url":null,"source":{"id":"https://openalex.org/S114479970","display_name":"Journal of Computer Assisted Tomography","issn_l":"0363-8715","issn":["0363-8715","1532-3145"],"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-40","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computer Assisted Tomography","raw_type":"journal-article"},{"id":"pmid:42960671","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/42960671","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":"Journal of computer assisted tomography","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.8048999905586243}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W2025481176","https://openalex.org/W2065023275","https://openalex.org/W2066429881","https://openalex.org/W2763781088","https://openalex.org/W2768597724","https://openalex.org/W2911098069","https://openalex.org/W2941996769","https://openalex.org/W2946480236","https://openalex.org/W2972419341","https://openalex.org/W2984383922","https://openalex.org/W3022851848","https://openalex.org/W3042363855","https://openalex.org/W3083471995","https://openalex.org/W3157100839","https://openalex.org/W3190565724","https://openalex.org/W3195505312","https://openalex.org/W4281989304","https://openalex.org/W4309883569","https://openalex.org/W4361285597","https://openalex.org/W4410098751"],"related_works":["https://openalex.org/W4410098751","https://openalex.org/W4309883569","https://openalex.org/W2161812735","https://openalex.org/W2031811917","https://openalex.org/W2787900344","https://openalex.org/W4224269867","https://openalex.org/W2791678224","https://openalex.org/W2041881065","https://openalex.org/W3015068721","https://openalex.org/W2145881251"],"abstract_inverted_index":{"OBJECTIVE:":[0],"This":[1],"study":[2],"aimed":[3],"to":[4,26,91,198,218,232,263,272],"investigate":[5],"the":[6,28,145,159,163,184,195,202,208,213,219,226,236,264,279,288],"optimal":[7,280],"energy":[8,181,281],"level":[9,182,282],"for":[10,19],"virtual":[11],"monoenergetic":[12],"(VM)":[13],"images":[14,87,107,200,211,229,239,257,270],"with":[15,97,140,179,258],"specific":[16],"window":[17,129,189,205,215,242,289],"settings":[18,130],"stone":[20,136,174,192,248,275],"size":[21,137,175,193,249,276],"and":[22,25,33,56,76,85,115,120,126,144,166,176,206,251,253,277],"attenuation":[23,121,147,177,254],"measurements,":[24],"determine":[27],"effects":[29],"of":[30,101,113,170,183,188,247],"radiation":[31,68],"dose":[32,73],"reconstructed":[34,81,109,293],"slice":[35,99,111,295],"thickness":[36,100,296],"on":[37,61,150,194,207,225,235,255,287],"these":[38],"measurements.":[39],"METHODS:":[40],"Forty-eight":[41],"urinary":[42,274],"calcium":[43],"oxalate":[44],"stones":[45],"(<1":[46],"cm":[47],"in":[48,94],"diameter)":[49],"were":[50,59,80,108,122,156,230,261],"placed":[51],"within":[52],"a":[53,62,98,141],"32-cm":[54],"phantom,":[55],"CT":[57],"scans":[58],"performed":[60,157],"dual-layer":[63],"detector":[64],"scanner":[65],"at":[66,110,124],"3":[67],"doses":[69],"(volumetric":[70],"computed":[71],"tomography":[72],"index=5,":[74],"10,":[75],"15":[77],"mGy).":[78],"Images":[79],"as":[82],"conventional":[83,237],"120-kVp":[84,238],"VM":[86,185,196,209,227,256,269],"ranging":[88],"from":[89],"40":[90],"100":[92],"keV":[93],"10-keV":[95],"increments":[96],"1":[102],"mm.":[103,117],"In":[104,244,291],"addition,":[105,245,292],"70-keV":[106,228],"thicknesses":[112],"2":[114,132],"5":[116],"Length,":[118],"width,":[119],"measured":[123,139,149,224],"bone":[125,214],"soft":[127,203],"tissue":[128,204],"by":[131],"radiologists.":[133],"The":[134,173,191],"reference":[135,146],"was":[138,148,216],"digital":[142],"caliper,":[143],"120":[151],"kVp":[152],"images.":[153],"Statistical":[154],"analyses":[155],"using":[158],"paired":[160],"t":[161],"test,":[162,165],"Wilcoxon":[164],"repeated-measures":[167],"one-way":[168],"analysis":[169],"variance.":[171],"RESULTS:":[172],"decreased":[178],"increasing":[180],"images,":[186],"irrespective":[187],"settings.":[190,243,290],"70-":[197],"90-keV":[199],"under":[201,212],"40-keV":[210],"closest":[217],"true":[220,265],"size.":[221],"Attenuation":[222],"values":[223],"similar":[231],"those":[233],"obtained":[234],"across":[240],"both":[241],"measurements":[246],"(length":[250],"width)":[252],"thinner":[259,294],"slices":[260],"closer":[262],"value.":[266],"CONCLUSIONS:":[267],"For":[268],"used":[271],"measure":[273],"attenuation,":[278],"required":[283],"may":[284],"differ":[285],"based":[286],"can":[297],"improve":[298],"measurement":[299],"accuracy.":[300]},"counts_by_year":[],"updated_date":"2026-11-01T11:40:01.658920","created_date":"2026-10-31T00:00:00"}