{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1040000782005104512.json","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"18K17170"},{"@type":"JGN","@value":"JP18K17170"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18K17170/"}],"jpcoar:awardTitle":[{"@language":"ja","@value":"Dual Energy CTを用いた顎顔面領域腫瘍の薬物動態解析"},{"@language":"en","@value":"Pharmacokinetic analysis of tumors in the maxillofacial region using Dual Energy CT"}],"field":[{"keyword":[{"language":"ja","textList":["小区分57060:外科系歯学関連"]},{"language":"en","textList":["Basic Section 57060:Surgical dentistry-related"]}]}],"dc:language":"ja","description":[{"type":"outline_of_research_achievement","notation":[{"@language":"ja","@value":"顎顔面領域にDual Energy CT（DECT）プロトコルを確立し、DECT画像から算出したパラメータが、扁平上皮癌の転移リンパ節の診断に有効であるか検討した。\n5mm以上の頸部リンパ節を対象とし、40,70,100keVにおけるCT値の変動と、リンパ節内のヨード含有量を求め、病理診断との相関を求めた。転移リンパ節は非転移リンパ節よりも造影剤取り込みが有意に小さくなる傾向が見られ、DECTは転移リンパ節内の病理学的変化と関連する可能性が高いことが示唆された。"},{"@language":"en","@value":"We established a Dual Energy CT (DECT) protocol in the maxillofacial region and investigated whether parameters calculated from DECT images are effective in the diagnosis of metastatic lymph nodes of squamous cell carcinoma.\nCervical lymph nodes larger than 5 mm were included in the study to determine the variation in CT values at 40, 70, and 100 keV and iodine content within the lymph nodes, and to correlate them with pathology. Metastatic lymph nodes tended to have significantly smaller contrast uptake than non-metastatic nodes, suggesting that DECT is likely to be associated with pathological changes within metastatic lymph nodes."}]},{"type":"significance_of_research_achievement","notation":[{"@language":"ja","@value":"顎顔面領域において、DECT画像から算出したパラメータが扁平上皮癌の転移リンパ節の診断に有用である可能性が示唆された。"}]}],"researcher":[{"@id":"https://cir.nii.ac.jp/crid/1420282801186639232","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"40760476"},{"@type":"NRID","@value":"1000040760476"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/e-kita"}],"foaf:name":[{"@language":"ja","@value":"北本 江梨奈"},{"@language":"en","@value":"KITAMOTO ERINA"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"九州大学"}],"role":"principal_investigator"}],"since":"2018-04-01","until":"2022-03-31","institution":[{"institutionIdentifier":[{"@type":"NII","@value":"0017102"}],"notation":[{"@language":"ja","@value":"九州大学"},{"@language":"en","@value":"Kyushu University"}]}],"fundingProgram":[{"jpcoar:funderName":[{"@language":"ja","@value":"科学研究費助成事業"},{"@language":"en","@value":"Grants-in-Aid for Scientific Research"}]}],"url":[{"@id":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18K17170/","notation":[{"@value":"KAKEN"}]}],"createdAt":"2018-04-23","modifiedAt":"2025-11-19","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=dual%20energy%20CT","dc:title":"dual energy CT"},{"@id":"https://cir.nii.ac.jp/all?q=%E9%A1%8E%E9%A1%94%E9%9D%A2%E9%A0%98%E5%9F%9F","dc:title":"顎顔面領域"},{"@id":"https://cir.nii.ac.jp/all?q=%E6%89%81%E5%B9%B3%E4%B8%8A%E7%9A%AE%E7%99%8C","dc:title":"扁平上皮癌"},{"@id":"https://cir.nii.ac.jp/all?q=%E9%A0%B8%E9%83%A8%E3%83%AA%E3%83%B3%E3%83%91%E7%AF%80%E8%BB%A2%E7%A7%BB","dc:title":"頸部リンパ節転移"},{"@id":"https://cir.nii.ac.jp/all?q=%E5%8F%A3%E8%85%94%E7%99%8C","dc:title":"口腔癌"},{"@id":"https://cir.nii.ac.jp/all?q=%E9%A0%AD%E9%A0%B8%E9%83%A8","dc:title":"頭頸部"},{"@id":"https://cir.nii.ac.jp/all?q=perfusion%20CT","dc:title":"perfusion CT"},{"@id":"https://cir.nii.ac.jp/all?q=Dual%20Energy%20CT","dc:title":"Dual Energy CT"},{"@id":"https://cir.nii.ac.jp/all?q=%E9%A1%8E%E9%A1%94%E9%9D%A2%E8%85%AB%E7%98%8D","dc:title":"顎顔面腫瘍"},{"@id":"https://cir.nii.ac.jp/all?q=Perfusion","dc:title":"Perfusion"},{"@id":"https://cir.nii.ac.jp/all?q=Permeability","dc:title":"Permeability"}],"product":[{"@id":"https://cir.nii.ac.jp/crid/1360294643742964224","@type":"Article","resourceType":"学術雑誌論文(journal article)","productIdentifier":[{"@type":"DOI","@value":"10.1259/dmfr.20200553"},{"@type":"URI","@value":"https://www.birpublications.org/doi/pdf/10.1259/dmfr.20200553"},{"@type":"PMID","@value":"33914646"}],"notation":[{"@value":"Metal artefact reduction in the oral cavity using deep learning reconstruction algorithm in ultra-high-resolution computed tomography: a phantom study"}]},{"@id":"https://cir.nii.ac.jp/crid/1360294643744992256","@type":"Article","resourceType":"学術雑誌論文(journal article)","productIdentifier":[{"@type":"DOI","@value":"10.1007/s11282-021-00584-w"},{"@type":"URI","@value":"https://link.springer.com/content/pdf/10.1007/s11282-021-00584-w.pdf"},{"@type":"URI","@value":"https://link.springer.com/article/10.1007/s11282-021-00584-w/fulltext.html"},{"@type":"PMID","@value":"35091858"},{"@type":"URI","@value":"https://search.jamas.or.jp/link/ui/2024022866"}],"notation":[{"@value":"Low-radiation dose scan protocol for preoperative imaging for dental implant surgery using deep learning-based reconstruction in multidetector CT"}]},{"@id":"https://cir.nii.ac.jp/crid/1360009142441816832","@type":"Article","resourceType":"学術雑誌論文(journal article)","productIdentifier":[{"@type":"DOI","@value":"10.1259/dmfr.20190462"},{"@type":"URI","@value":"https://www.birpublications.org/doi/pdf/10.1259/dmfr.20190462"},{"@type":"PMID","@value":"32302213"}],"notation":[{"@value":"Improved scan method for dental imaging using multidetector computed tomography: a phantom study"}]}],"dataSourceIdentifier":[{"@type":"KAKEN","@value":"18K17170"}],"grant":{"grantIdentifier":[{"@type":"NII","@value":"252"}],"jpcoar:fundingStream":[{"@language":"ja","@value":"若手研究"},{"@language":"en","@value":"Grant-in-Aid for Early-Career Scientists"}]},"allocationClassification":[{"notation":[{"@language":"ja","@value":"基金"},{"@language":"en","@value":"Multi-year Fund"}]}],"projectStatus":"project_closed","allocationAmount":{"totalCost":{"amount":"4030000","currency":"JPY"},"breakdownCost":[{"notation":[{"@language":"ja","@value":"直接経費"},{"@language":"en","@value":"Direct Cost"}],"amount":"3100000","currency":"JPY"},{"notation":[{"@language":"ja","@value":"間接経費"},{"@language":"en","@value":"Indirect Cost"}],"amount":"930000","currency":"JPY"}]}}