{"id":"https://openalex.org/W7225334305","doi":"https://doi.org/10.20944/preprints202611.0518.v1","title":"Diagnostic Performance of DWIBS for Lung Cancer Staging and Postoperative Recurrence Detection: An Exploratory Non-Inferiority Analysis Compared with PET-CT","display_name":"Diagnostic Performance of DWIBS for Lung Cancer Staging and Postoperative Recurrence Detection: An Exploratory Non-Inferiority Analysis Compared with PET-CT","publication_year":2026,"publication_date":"2026-11-05","ids":{"openalex":"https://openalex.org/W7225334305","doi":"https://doi.org/10.20944/preprints202611.0518.v1"},"language":"en","primary_location":{"id":"doi:10.20944/preprints202611.0518.v1","doi":"https://doi.org/10.20944/preprints202611.0518.v1","is_oa":true,"landing_page_url":"https://doi.org/10.20944/preprints202611.0518.v1","pdf_url":null,"source":{"id":"https://openalex.org/S6309402219","display_name":"Preprints.org","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.20944/preprints202611.0518.v1","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5022463832","display_name":"Katsuo Usuda","orcid":"https://orcid.org/0000-0001-6803-9356","observed_orcids":["https://orcid.org/0000-0001-6803-9356"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Katsuo Usuda","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160969562","display_name":"Naoto Watanabe","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Naoto Watanabe","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069862863","display_name":"Mariko Doai","orcid":"https://orcid.org/0000-0002-5083-4404","observed_orcids":["https://orcid.org/0000-0002-5083-4404"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mariko Doai","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5160945318","display_name":"Osami Shimada","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Osami Shimada","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5022463832"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"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/T10202","display_name":"Lung Cancer Diagnosis and Treatment","score":0.6352999806404114,"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/T10202","display_name":"Lung Cancer Diagnosis and Treatment","score":0.6352999806404114,"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/T11885","display_name":"MRI in cancer diagnosis","score":0.2824999988079071,"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"}},{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.0625,"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/dwibs","display_name":"DWIBS","score":0.9340000152587891},{"id":"https://openalex.org/keywords/lung-cancer-staging","display_name":"lung cancer staging","score":0.843999981880188},{"id":"https://openalex.org/keywords/pet-ct","display_name":"PET/CT","score":0.9390000104904175},{"id":"https://openalex.org/keywords/brain-mri","display_name":"brain MRI","score":0.656000018119812},{"id":"https://openalex.org/keywords/non-inferiority","display_name":"non-inferiority","score":0.8309999704360962},{"id":"https://openalex.org/keywords/diagnostic-accuracy","display_name":"diagnostic accuracy","score":0.8069999814033508},{"id":"https://openalex.org/keywords/radiation-free-imaging","display_name":"radiation-free imaging","score":0.8790000081062317},{"id":"https://openalex.org/keywords/whole-body-mri","display_name":"whole-body MRI","score":0.5889999866485596}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.927299976348877},{"id":"https://openalex.org/C2776256026","wikidata":"https://www.wikidata.org/wiki/Q47912","display_name":"Lung cancer","level":2,"score":0.6685000061988831},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.6288999915122986},{"id":"https://openalex.org/C2777693549","wikidata":"https://www.wikidata.org/wiki/Q15718270","display_name":"Lung cancer staging","level":4,"score":0.5178999900817871},{"id":"https://openalex.org/C3018260909","wikidata":"https://www.wikidata.org/wiki/Q1322871","display_name":"Exploratory analysis","level":2,"score":0.4275999963283539},{"id":"https://openalex.org/C143409427","wikidata":"https://www.wikidata.org/wiki/Q161238","display_name":"Magnetic resonance imaging","level":2,"score":0.39410001039505005},{"id":"https://openalex.org/C146357865","wikidata":"https://www.wikidata.org/wiki/Q1123245","display_name":"Stage (stratigraphy)","level":2,"score":0.3889999985694885},{"id":"https://openalex.org/C3020132585","wikidata":"https://www.wikidata.org/wiki/Q2671652","display_name":"Diagnostic accuracy","level":2,"score":0.36010000109672546},{"id":"https://openalex.org/C3018023364","wikidata":"https://www.wikidata.org/wiki/Q425265","display_name":"Significant difference","level":2,"score":0.35440000891685486},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.32850000262260437},{"id":"https://openalex.org/C187960798","wikidata":"https://www.wikidata.org/wiki/Q7631152","display_name":"Subgroup analysis","level":3,"score":0.29589998722076416},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.295199990272522},{"id":"https://openalex.org/C2777714996","wikidata":"https://www.wikidata.org/wiki/Q7886","display_name":"Lung","level":2,"score":0.29010000824928284},{"id":"https://openalex.org/C2780325254","wikidata":"https://www.wikidata.org/wiki/Q1752284","display_name":"Cancer staging","level":3,"score":0.2802000045776367},{"id":"https://openalex.org/C2776410896","wikidata":"https://www.wikidata.org/wiki/Q7997551","display_name":"Whole body imaging","level":3,"score":0.2718000113964081},{"id":"https://openalex.org/C167135981","wikidata":"https://www.wikidata.org/wiki/Q2146302","display_name":"Retrospective cohort study","level":2,"score":0.2700999975204468},{"id":"https://openalex.org/C198433322","wikidata":"https://www.wikidata.org/wiki/Q3910099","display_name":"Predictive value of tests","level":2,"score":0.267300009727478},{"id":"https://openalex.org/C121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","level":2,"score":0.2639000117778778},{"id":"https://openalex.org/C3019894029","wikidata":"https://www.wikidata.org/wiki/Q332823","display_name":"Overall survival","level":2,"score":0.26159998774528503},{"id":"https://openalex.org/C2780140570","wikidata":"https://www.wikidata.org/wiki/Q3545481","display_name":"Surgical oncology","level":2,"score":0.2605000138282776},{"id":"https://openalex.org/C31601959","wikidata":"https://www.wikidata.org/wiki/Q931309","display_name":"Medical imaging","level":2,"score":0.25540000200271606},{"id":"https://openalex.org/C144301174","wikidata":"https://www.wikidata.org/wiki/Q7893852","display_name":"Univariate analysis","level":3,"score":0.25029999017715454}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.20944/preprints202611.0518.v1","doi":"https://doi.org/10.20944/preprints202611.0518.v1","is_oa":true,"landing_page_url":"https://doi.org/10.20944/preprints202611.0518.v1","pdf_url":null,"source":{"id":"https://openalex.org/S6309402219","display_name":"Preprints.org","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.20944/preprints202611.0518.v1","doi":"https://doi.org/10.20944/preprints202611.0518.v1","is_oa":true,"landing_page_url":"https://doi.org/10.20944/preprints202611.0518.v1","pdf_url":null,"source":{"id":"https://openalex.org/S6309402219","display_name":"Preprints.org","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"sustainable_development_goals":[{"score":1.0,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2502571164","https://openalex.org/W3121413463","https://openalex.org/W1965074412","https://openalex.org/W2982228091","https://openalex.org/W2207787340","https://openalex.org/W2122072242","https://openalex.org/W7164369841","https://openalex.org/W1490544233","https://openalex.org/W117781925","https://openalex.org/W4313503617"],"abstract_inverted_index":{"Background:":[0],"Diffusion-weighted":[1],"whole-body":[2,13],"imaging":[3,230],"with":[4,35,47,59,137,142],"background":[5],"body":[6],"signal":[7],"suppression":[8],"(DWIBS)":[9],"is":[10],"a":[11,173,242],"radiation-free":[12,244],"MRI":[14,41],"technique":[15],"that":[16,36],"may":[17,240],"provide":[18],"an":[19],"alternative":[20,245],"to":[21,159,214,228,246],"PET-CT":[22,38,48,74,143],"for":[23,42,49,198,202,231],"lung":[24,43,60,232],"cancer":[25,44,61,233],"evaluation.":[26],"This":[27],"study":[28],"compared":[29,136],"the":[30,185,194],"diagnostic":[31,225],"performance":[32,226],"of":[33,37,56,117,132,139,175,178,182],"DWIBS":[34,72,90,128,171,191,199,223,239],"plus":[39,75,144],"brain":[40,76,145],"staging":[45,65,234],"and":[46,73,91,95,109,120,180,192,200,235],"postoperative":[50,168,236],"recurrence":[51,169,237],"detection.":[52,238],"Methods:":[53],"A":[54],"total":[55],"136":[57],"patients":[58,70,134,187],"were":[62,80,97,103,113],"evaluated.":[63],"Clinical":[64],"was":[66,152,196,207],"assessed":[67,81],"in":[68,82,101,150],"81":[69,133,140],"using":[71,105,115],"MRI.":[77,146],"Postoperative":[78],"recurrences":[79],"55":[83],"patients,":[84],"including":[85],"37":[86,186],"who":[87,188],"underwent":[88,189],"both":[89,190],"PET-CT.":[92,203,247],"Sensitivity,":[93],"specificity,":[94],"accuracy":[96,102,151,181,195],"calculated.":[98],"Paired":[99],"differences":[100],"evaluated":[104],"Newcombe's":[106],"Method":[107],"10,":[108],"exploratory":[110],"non-inferiority":[111,162,217],"analyses":[112],"performed":[114],"margins":[116],"\u22125,":[118],"\u221210,":[119],"\u221215":[121],"percentage":[122,154,209],"points.":[123],"Results:":[124],"For":[125,167],"clinical":[126],"staging,":[127],"correctly":[129],"classified":[130],"61":[131],"(75.3%),":[135],"56":[138],"(69.1%)":[141],"The":[147,204],"observed":[148,205],"difference":[149,206],"+6.17":[153],"points":[155,210],"(95%":[156,211],"CI,":[157,212],"+0.30":[158],"+12.27),":[160],"supporting":[161,216],"at":[163,218],"all":[164,219],"three":[165,220],"margins.":[166,221],"detection,":[170],"demonstrated":[172,224],"sensitivity":[174],"96.9%,":[176],"specificity":[177],"100.0%,":[179],"98.2%.":[183],"Among":[184],"PET-CT,":[193],"100.0%":[197],"91.9%":[201],"+8.11":[208],"\u22122.69":[213],"+21.30),":[215],"Conclusions:":[222],"comparable":[227],"PET-CT-based":[229],"represent":[241],"useful":[243]},"counts_by_year":[],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2026-11-06T00:00:00"}
