{"id":"https://openalex.org/W1966550586","doi":"https://doi.org/10.2214/ajr.175.6.1751659","title":"Arterioportal Shunts in Cirrhotic Patients: Evaluation of the Difference Between Tumorous and Nontumorous Arterioportal Shunts on MR Imaging with Superparamagnetic Iron Oxide","display_name":"Arterioportal Shunts in Cirrhotic Patients: Evaluation of the Difference Between Tumorous and Nontumorous Arterioportal Shunts on MR Imaging with Superparamagnetic Iron Oxide","publication_year":2000,"publication_date":"2000-12-01","ids":{"openalex":"https://openalex.org/W1966550586","doi":"https://doi.org/10.2214/ajr.175.6.1751659","mag":"1966550586","pmid":"https://pubmed.ncbi.nlm.nih.gov/11090400"},"language":"en","primary_location":{"id":"doi:10.2214/ajr.175.6.1751659","doi":"https://doi.org/10.2214/ajr.175.6.1751659","is_oa":false,"landing_page_url":"https://doi.org/10.2214/ajr.175.6.1751659","pdf_url":null,"source":{"id":"https://openalex.org/S161085503","display_name":"American Journal of Roentgenology","issn_l":"0002-9580","issn":["0002-9580","0361-803X","1546-3141"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315781","host_organization_name":"American Roentgen Ray Society","host_organization_lineage":["https://openalex.org/P4310315781"],"host_organization_lineage_names":["American Roentgen Ray Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Roentgenology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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":null,"display_name":"Kensaku Mori","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210114927","display_name":"University of Tsukuba Hospital","ror":"https://ror.org/028fz3b89","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210114927"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kensaku Mori","raw_affiliation_strings":["All authors: Department of Radiology, Tsukuba University Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576 Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"All authors: Department of Radiology, Tsukuba University Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576 Japan","institution_ids":["https://openalex.org/I4210114927"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019162886","display_name":"Hiroshi Yoshioka","orcid":"https://orcid.org/0000-0002-7916-5961","observed_orcids":["https://orcid.org/0000-0002-7916-5961"]},"institutions":[{"id":"https://openalex.org/I4210114927","display_name":"University of Tsukuba Hospital","ror":"https://ror.org/028fz3b89","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210114927"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Yoshioka","raw_affiliation_strings":["All authors: Department of Radiology, Tsukuba University Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576 Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"All authors: Department of Radiology, Tsukuba University Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576 Japan","institution_ids":["https://openalex.org/I4210114927"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034884854","display_name":"Yuji Itai","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210114927","display_name":"University of Tsukuba Hospital","ror":"https://ror.org/028fz3b89","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210114927"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuji Itai","raw_affiliation_strings":["All authors: Department of Radiology, Tsukuba University Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576 Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"All authors: Department of Radiology, Tsukuba University Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576 Japan","institution_ids":["https://openalex.org/I4210114927"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029435879","display_name":"Yoshikazu Okamoto","orcid":"https://orcid.org/0000-0002-2521-3198","observed_orcids":["https://orcid.org/0000-0002-2521-3198"]},"institutions":[{"id":"https://openalex.org/I4210114927","display_name":"University of Tsukuba Hospital","ror":"https://ror.org/028fz3b89","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210114927"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshikazu Okamoto","raw_affiliation_strings":["All authors: Department of Radiology, Tsukuba University Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576 Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"All authors: Department of Radiology, Tsukuba University Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576 Japan","institution_ids":["https://openalex.org/I4210114927"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062029974","display_name":"Harushi Mori","orcid":"https://orcid.org/0000-0003-1370-5272","observed_orcids":["https://orcid.org/0000-0003-1370-5272"]},"institutions":[{"id":"https://openalex.org/I4210114927","display_name":"University of Tsukuba Hospital","ror":"https://ror.org/028fz3b89","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210114927"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Harushi Mori","raw_affiliation_strings":["All authors: Department of Radiology, Tsukuba University Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576 Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"All authors: Department of Radiology, Tsukuba University Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576 Japan","institution_ids":["https://openalex.org/I4210114927"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101522175","display_name":"Nobuyuki Takahashi","orcid":"https://orcid.org/0000-0002-6289-5677","observed_orcids":["https://orcid.org/0000-0002-6289-5677"]},"institutions":[{"id":"https://openalex.org/I4210114927","display_name":"University of Tsukuba Hospital","ror":"https://ror.org/028fz3b89","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210114927"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Nobuyuki Takahashi","raw_affiliation_strings":["All authors: Department of Radiology, Tsukuba University Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576 Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"All authors: Department of Radiology, Tsukuba University Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576 Japan","institution_ids":["https://openalex.org/I4210114927"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110516304","display_name":"Yukihisa Saida","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210114927","display_name":"University of Tsukuba Hospital","ror":"https://ror.org/028fz3b89","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210114927"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yukihisa Saida","raw_affiliation_strings":["All authors: Department of Radiology, Tsukuba University Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576 Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"All authors: Department of Radiology, Tsukuba University Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki, 305-8576 Japan","institution_ids":["https://openalex.org/I4210114927"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210114927"],"apc_list":null,"apc_paid":null,"fwci":3.3221,"has_fulltext":false,"cited_by_count":52,"citation_normalized_percentile":{"value":0.91372768,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":87,"max":93},"biblio":{"volume":"175","issue":"6","first_page":"1659","last_page":"1664"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10073","display_name":"Hepatocellular Carcinoma Treatment and Prognosis","score":0.40869998931884766,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T10073","display_name":"Hepatocellular Carcinoma Treatment and Prognosis","score":0.40869998931884766,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.20340000092983246,"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/T10337","display_name":"Liver Disease and Transplantation","score":0.08250000327825546,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/arterioportal-shunt","display_name":"arterioportal shunt","score":0.9909999966621399},{"id":"https://openalex.org/keywords/liver-cirrhosis","display_name":"liver cirrhosis","score":0.8930000066757202},{"id":"https://openalex.org/keywords/superparamagnetic-iron-oxide-nanoparticles","display_name":"superparamagnetic iron oxide nanoparticles","score":0.8450000286102295},{"id":"https://openalex.org/keywords/t2-weighted-fast-spin-echo","display_name":"T2-weighted turbo spin echo","score":0.7310000061988831},{"id":"https://openalex.org/keywords/t2-weighted-gradient-echo","display_name":"T2*-weighted gradient echo","score":0.972000002861023},{"id":"https://openalex.org/keywords/signal-intensity","display_name":"signal intensity","score":0.4659999907016754},{"id":"https://openalex.org/keywords/contrast-to-noise-ratio","display_name":"contrast-to-noise ratio","score":0.9549999833106995}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7815762758255005},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.530417263507843},{"id":"https://openalex.org/C143409427","wikidata":"https://www.wikidata.org/wiki/Q161238","display_name":"Magnetic resonance imaging","level":2,"score":0.528560996055603},{"id":"https://openalex.org/C2781156865","wikidata":"https://www.wikidata.org/wiki/Q827023","display_name":"Lesion","level":2,"score":0.5249959230422974},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.5139729380607605},{"id":"https://openalex.org/C2777214474","wikidata":"https://www.wikidata.org/wiki/Q147778","display_name":"Cirrhosis","level":2,"score":0.49025943875312805},{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.44369056820869446},{"id":"https://openalex.org/C46141821","wikidata":"https://www.wikidata.org/wiki/Q209402","display_name":"Nuclear magnetic resonance","level":1,"score":0.32787173986434937},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.1681581437587738},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.16414880752563477},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08211779594421387},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.06901010870933533}],"mesh":[{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001164","descriptor_name":"Arteriovenous Fistula","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D003287","descriptor_name":"Contrast Media","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003911","descriptor_name":"Dextrans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003937","descriptor_name":"Diagnosis, Differential","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006499","descriptor_name":"Hepatic Artery","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D006528","descriptor_name":"Carcinoma, Hepatocellular","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007501","descriptor_name":"Iron","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008103","descriptor_name":"Liver Cirrhosis","qualifier_ui":"Q000473","qualifier_name":"pathology","is_major_topic":true},{"descriptor_ui":"D008113","descriptor_name":"Liver Neoplasms","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D008279","descriptor_name":"Magnetic Resonance Imaging","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010087","descriptor_name":"Oxides","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011169","descriptor_name":"Portal Vein","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D013535","descriptor_name":"Suspensions","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D052203","descriptor_name":"Ferrosoferric Oxide","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D058185","descriptor_name":"Magnetite Nanoparticles","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.2214/ajr.175.6.1751659","doi":"https://doi.org/10.2214/ajr.175.6.1751659","is_oa":false,"landing_page_url":"https://doi.org/10.2214/ajr.175.6.1751659","pdf_url":null,"source":{"id":"https://openalex.org/S161085503","display_name":"American Journal of Roentgenology","issn_l":"0002-9580","issn":["0002-9580","0361-803X","1546-3141"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315781","host_organization_name":"American Roentgen Ray Society","host_organization_lineage":["https://openalex.org/P4310315781"],"host_organization_lineage_names":["American Roentgen Ray Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Roentgenology","raw_type":"journal-article"},{"id":"pmid:11090400","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/11090400","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":"AJR. American journal of roentgenology","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.98580002784729,"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":20,"referenced_works":["https://openalex.org/W1867326134","https://openalex.org/W1982305687","https://openalex.org/W1983800557","https://openalex.org/W2015607636","https://openalex.org/W2034293339","https://openalex.org/W2035978448","https://openalex.org/W2038434676","https://openalex.org/W2042531618","https://openalex.org/W2042975412","https://openalex.org/W2050271902","https://openalex.org/W2051421116","https://openalex.org/W2053005984","https://openalex.org/W2061582208","https://openalex.org/W2061760239","https://openalex.org/W2073207811","https://openalex.org/W2075887833","https://openalex.org/W2077387095","https://openalex.org/W2090844388","https://openalex.org/W2121879091","https://openalex.org/W2150094821"],"related_works":["https://openalex.org/W2142549971","https://openalex.org/W2042975412","https://openalex.org/W2371123683","https://openalex.org/W2015035606","https://openalex.org/W2363943016","https://openalex.org/W1968287237","https://openalex.org/W1982528785","https://openalex.org/W4248217202","https://openalex.org/W7207975013","https://openalex.org/W2342978818"],"abstract_inverted_index":{"OBJECTIVE:":[0],"The":[1,237],"study":[2],"objective":[3],"was":[4,78],"to":[5,147],"distinguish":[6],"between":[7,103],"the":[8,62,67,74,151,185,189,193,203,233],"features":[9],"of":[10,57,66,73,126,153,192,202,215,228],"tumorous":[11,37,104,120,194],"and":[12,38,49,54,86,96,101,105,133,143,188],"nontumorous":[13,40,106,162,204,221],"arterioportal":[14,30,41,68,107,121,163,195,205,209,222],"shunts":[15,31,108,122,164,196,210,223],"on":[16,45,138,157,177,242,247],"superparamagnetic":[17,58,135,154,174,182],"iron":[18,59,136,155,175,183],"oxide-enhanced":[19],"MR":[20],"imaging":[21],"in":[22,32],"patients":[23],"with":[24,71,134,173,181],"cirrhosis.":[25],"SUBJECTS":[26],"AND":[27],"METHODS:":[28],"Ten":[29],"eight":[33],"patients,":[34],"including":[35],"four":[36,119],"six":[39],"shunts,":[42],"were":[43,99,197],"evaluated":[44],"T2-weighted":[46,139,248],"turbo":[47,140,249],"spin-echo":[48,141,250],"T2(*)-weighted":[50,158,243],"gradient-echo":[51,159,244],"sequences":[52],"before":[53],"after":[55,150],"administration":[56,152],"oxide.":[60],"Qualitatively,":[61,117],"relative":[63],"signal":[64,217,230],"intensity":[65,131,149],"shunt":[69],"compared":[70,102],"that":[72],"surrounding":[75],"liver":[76,235],"parenchyma":[77],"categorized":[79],"into":[80],"three":[81],"grades:":[82],"high,":[83,85],"slightly":[84,127],"not":[87,168],"detected.":[88],"Quantitatively,":[89,180],"signal-to-noise":[90],"ratio,":[91,93],"contrast-to-noise":[92,186],"lesion-to-liver":[94,190],"contrast,":[95],"percentage":[97],"enhancement":[98],"calculated":[100],"by":[109],"a":[110],"nonparametric":[111],"statistical":[112],"test":[113],"(Mann-Whitney":[114],"test).":[115],"RESULTS:":[116],"all":[118],"appeared":[123],"as":[124,213,226],"areas":[125,214,227],"high":[128,130,148],"or":[129,172],"without":[132,171],"oxide":[137,156,176,184],"images":[142,245],"changed":[144],"from":[145],"isointensity":[146],"images.":[160,251],"All":[161],"except":[165],"one":[166],"could":[167],"be":[169],"recognized":[170],"either":[178],"sequence.":[179],"ratio":[187],"contrast":[191],"significantly":[198],"higher":[199],"than":[200,246],"those":[201],"shunts.":[206],"CONCLUSION:":[207],"Tumorous":[208],"are":[211,224],"seen":[212,225],"reduced":[216],"loss,":[218,231],"whereas":[219],"most":[220],"normal":[229,234],"like":[232],"parenchyma.":[236],"difference":[238],"is":[239],"more":[240],"marked":[241]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2016-06-24T00:00:00"}
