{"id":"https://openalex.org/W23549673","doi":null,"title":"MR imaging of the posterior fossa structures of human embryos and fetuses.","display_name":"MR imaging of the posterior fossa structures of human embryos and fetuses.","publication_year":1999,"publication_date":"1999-03-01","ids":{"openalex":"https://openalex.org/W23549673","mag":"23549673","pmid":"https://pubmed.ncbi.nlm.nih.gov/10399777"},"language":"en","primary_location":{"id":"pmid:10399777","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/10399777","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":"Radiation medicine","raw_type":"Journal Article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["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":"T Nakayama","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I317356780","display_name":"Osaka City University","ror":"https://ror.org/02skfsw40","country_code":"JP","type":"education","lineage":["https://openalex.org/I317356780","https://openalex.org/I4387152983"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"T Nakayama","raw_affiliation_strings":["Department of Radiology, Osaka City University Medical School, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology, Osaka City University Medical School, Japan","institution_ids":["https://openalex.org/I317356780"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019602773","display_name":"Ryo Yamada","orcid":"https://orcid.org/0000-0002-1587-630X","observed_orcids":["https://orcid.org/0000-0002-1587-630X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R Yamada","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.00370482,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"17","issue":"2","first_page":"105","last_page":"14"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12552","display_name":"Fetal and Pediatric Neurological Disorders","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/T12552","display_name":"Fetal and Pediatric Neurological Disorders","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/T11833","display_name":"Spinal Dysraphism and Malformations","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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":9.999999747378752e-05,"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/posterior-fossa","display_name":"posterior fossa","score":0.8330000042915344},{"id":"https://openalex.org/keywords/fetal-brain-development","display_name":"fetal brain development","score":0.9520000219345093},{"id":"https://openalex.org/keywords/cerebellum","display_name":"cerebellum","score":0.8809999823570251},{"id":"https://openalex.org/keywords/cerebellar-fissures","display_name":"cerebellar fissures","score":0.9879999756813049},{"id":"https://openalex.org/keywords/fourth-ventricle","display_name":"fourth ventricle","score":1.0},{"id":"https://openalex.org/keywords/cerebral-aqueduct","display_name":"cerebral aqueduct","score":1.0},{"id":"https://openalex.org/keywords/midbrain-tectum","display_name":"midbrain tectum","score":0.8640000224113464},{"id":"https://openalex.org/keywords/midbrain-tegmentum","display_name":"midbrain tegmentum","score":0.972000002861023},{"id":"https://openalex.org/keywords/developmental-atlas","display_name":"developmental atlas","score":0.5929999947547913},{"id":"https://openalex.org/keywords/human-embryo","display_name":"human embryo","score":0.7250000238418579},{"id":"https://openalex.org/keywords/fetus","display_name":"fetus","score":0.675000011920929},{"id":"https://openalex.org/keywords/magnetic-resonance-imaging","display_name":"magnetic resonance imaging","score":0.375}],"concepts":[{"id":"https://openalex.org/C2776473159","wikidata":"https://www.wikidata.org/wiki/Q1069121","display_name":"Fourth ventricle","level":2,"score":0.8535076975822449},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7556055784225464},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.7209721803665161},{"id":"https://openalex.org/C552161191","wikidata":"https://www.wikidata.org/wiki/Q185080","display_name":"Midbrain","level":3,"score":0.6137369871139526},{"id":"https://openalex.org/C2780813603","wikidata":"https://www.wikidata.org/wiki/Q268930","display_name":"Subarachnoid space","level":3,"score":0.6051691174507141},{"id":"https://openalex.org/C2776820357","wikidata":"https://www.wikidata.org/wiki/Q623016","display_name":"Cerebral aqueduct","level":3,"score":0.5939071774482727},{"id":"https://openalex.org/C2778134817","wikidata":"https://www.wikidata.org/wiki/Q193003","display_name":"Hydrocephalus","level":2,"score":0.5675193071365356},{"id":"https://openalex.org/C2780236928","wikidata":"https://www.wikidata.org/wiki/Q503944","display_name":"Posterior cranial fossa","level":2,"score":0.5610200762748718},{"id":"https://openalex.org/C2779652256","wikidata":"https://www.wikidata.org/wiki/Q130983","display_name":"Cerebellum","level":2,"score":0.5261340141296387},{"id":"https://openalex.org/C2776212519","wikidata":"https://www.wikidata.org/wiki/Q17146272","display_name":"Ventriculomegaly","level":4,"score":0.5186402201652527},{"id":"https://openalex.org/C172680121","wikidata":"https://www.wikidata.org/wiki/Q26513","display_name":"Fetus","level":3,"score":0.5166566967964172},{"id":"https://openalex.org/C2781171461","wikidata":"https://www.wikidata.org/wiki/Q662322","display_name":"Third ventricle","level":2,"score":0.49348151683807373},{"id":"https://openalex.org/C2993827019","wikidata":"https://www.wikidata.org/wiki/Q105402","display_name":"Cerebral ventricle","level":2,"score":0.48109716176986694},{"id":"https://openalex.org/C2993788527","wikidata":"https://www.wikidata.org/wiki/Q7234193","display_name":"Posterior fossa","level":2,"score":0.4741082787513733},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.23831278085708618},{"id":"https://openalex.org/C2779651940","wikidata":"https://www.wikidata.org/wiki/Q54196","display_name":"Cerebrospinal fluid","level":2,"score":0.23641738295555115},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.21144717931747437},{"id":"https://openalex.org/C529278444","wikidata":"https://www.wikidata.org/wiki/Q47273","display_name":"Central nervous system","level":2,"score":0.1778128445148468},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.12713050842285156},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.08841070532798767},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.07342579960823059},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D001921","descriptor_name":"Brain","qualifier_ui":"Q000196","qualifier_name":"embryology","is_major_topic":true},{"descriptor_ui":"D002531","descriptor_name":"Cerebellum","qualifier_ui":"Q000196","qualifier_name":"embryology","is_major_topic":false},{"descriptor_ui":"D002535","descriptor_name":"Cerebral Aqueduct","qualifier_ui":"Q000196","qualifier_name":"embryology","is_major_topic":false},{"descriptor_ui":"D002552","descriptor_name":"Cerebral Ventricles","qualifier_ui":"Q000196","qualifier_name":"embryology","is_major_topic":false},{"descriptor_ui":"D003336","descriptor_name":"Tectum Mesencephali","qualifier_ui":"Q000196","qualifier_name":"embryology","is_major_topic":false},{"descriptor_ui":"D003388","descriptor_name":"Cranial Fossa, Posterior","qualifier_ui":"Q000196","qualifier_name":"embryology","is_major_topic":false},{"descriptor_ui":"D005314","descriptor_name":"Embryonic and Fetal Development","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005865","descriptor_name":"Gestational Age","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":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008279","descriptor_name":"Magnetic Resonance Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D013681","descriptor_name":"Tegmentum Mesencephali","qualifier_ui":"Q000196","qualifier_name":"embryology","is_major_topic":false}],"locations_count":2,"locations":[{"id":"pmid:10399777","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/10399777","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":"Radiation medicine","raw_type":"Journal Article"},{"id":"mag:23549673","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/10399777","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":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.504800021648407,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1716784507","https://openalex.org/W1515714128","https://openalex.org/W1989661998","https://openalex.org/W2030373572","https://openalex.org/W2079134716","https://openalex.org/W3016925893","https://openalex.org/W3137413903","https://openalex.org/W619311244","https://openalex.org/W2099113386","https://openalex.org/W2012945522"],"abstract_inverted_index":{"There":[0],"have":[1],"been":[2],"few":[3],"reports":[4],"on":[5,32,137],"MR":[6,46,105,138],"imaging":[7,139],"of":[8,16,25,81,91,97,107,119,128,130,155,171],"the":[9,82,89,92,95,98,108,126,150,156,160,169,174],"developing":[10,26,62],"human":[11],"fetal":[12,27],"brain.":[13],"The":[14,58,79],"aim":[15],"this":[17],"article":[18],"is":[19],"to":[20,54],"establish":[21],"a":[22],"standard":[23],"atlas":[24,118],"brain,":[28],"focusing":[29],"in":[30,61,75,111,142,153,164],"particular":[31],"posterior":[33,112],"fossa":[34,113],"structures.":[35],"Eighty-eight":[36],"formalin-fixed":[37],"embryos":[38],"and":[39,70,85,88,94,115,133,145,159,177],"fetuses":[40],"were":[41,73,100],"examined":[42],"using":[43],"1.5":[44],"Tesla":[45],"units.":[47],"Specimens":[48],"ranged":[49],"from":[50],"Carnegie":[51],"stage":[52],"17":[53],"28":[55],"gestational":[56],"weeks.":[57],"morphologic":[59],"changes":[60,110],"cerebellum,":[63],"cerebellar":[64,131],"fissures,":[65],"pontine":[66],"flexure,":[67],"fourth":[68,83,157,175],"ventricle,":[69],"cerebral":[71,86,161],"aqueduct":[72,87,162],"observed":[74],"each":[76],"developmental":[77,109],"period.":[78],"height":[80,154],"ventricle":[84,158,176],"thickness":[90],"tectum":[93],"tegmentum":[96],"midbrain":[99],"measured.":[101],"We":[102],"obtained":[103],"detailed":[104],"images":[106],"structures":[114,132],"produced":[116],"an":[117],"these":[120],"images.":[121],"Our":[122],"study":[123,166],"showed":[124],"that":[125],"period":[127],"visualization":[129],"fissures":[134],"was":[135],"later":[136],"than":[140],"described":[141],"past":[143],"anatomical":[144],"embryological":[146],"studies.":[147],"In":[148],"addition,":[149],"sudden":[151],"decrease":[152],"found":[163],"our":[165],"might":[167],"reflect":[168],"presence":[170],"communication":[172],"between":[173],"subarachnoid":[178],"space.":[179]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}