{"title":"薄切CTにおける充実成分の割合と腫瘍局在がcN0非小細胞肺癌のリンパ節転移に関連する","authors":"Reona Shimegi, Satoru Okada, Masanori Shimomura, Hiroaki Tsunezuka, Shunta Ishihara, Masashi Iwasaki, Masayoshi Inoue","doi":"10.2995/jacsurg.37.586","DOIUrl":null,"url":null,"abstract":"我々はcN0肺癌における病理学的リンパ節転移と臨床病理学的因子との関連を解析した.対象は2015年7月~2020年4月に肺葉切除または肺全摘+系統的縦隔リンパ節郭清(ND2a-2)を施行したcN0非小細胞肺癌213例.腫瘍局在は主座によってUpper(右上葉/左上区),Middle(中葉/舌区),S6,Basal(底区)に大別した.Consolidation tumor ratio(CTR)=1ではpN1:10.8%/pN2:8.1%,0.5<CTR<1ではpN1:7.8%/pN2:2.0%,0≦CTR≦0.5では全例pN0であった.腫瘍局在ごとのpN2頻度はUpper/Middle/S6/Basalで5.1%/5.0%/13.2%(第2群リンパ節2a-2領域:7.9%)/3.6%であった.S6肺癌は他局在に比較してpN2,特に2a-2領域の潜在的リンパ節転移の頻度が高い可能性がある.","PeriodicalId":498875,"journal":{"name":"The Journal of The Japanese Association for Chest Surgery","volume":"17 4","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Journal of The Japanese Association for Chest Surgery","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2995/jacsurg.37.586","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}