著者 溝尾 妙子|
発行日 2014-09-30
出版物タイトル
資料タイプ 学位論文
タイトル(別表記) Evaluation of a one-step nucleic acid amplification (OSNA) assay for sentinel lymph node metastases in early breast cancer
フルテキストURL 126_25.pdf
著者 溝尾 妙子| 枝園 忠彦| 伊藤 麻衣子| 野上 智弘| 岩本 高行| 元木 崇之| 平 成人| 松岡 順治| 土井原 博義|
抄録  Introduction: The one-step nucleic acid amplification (OSNA) assay is a new method to detect sentinel lymph node (SLN) metastases using cytokeratin 19 (CK19) mRNA in early breast cancer. Here we retrospectively analyzed the advantages and disadvantages of the OSNA assay.  Methods: In a trial period, SLNs were divided into two sections, and we examined one side using the OSNA assay. The other side was examined by pathologists. After this period, we examined whole SLNs using only the OSNA assay. The patients with positive nodes by OSNA assay and/or pathology required axillary dissection.  Results: We examined 27 primary breast cancer patients (36 SLNs) during the trial period. The overall concordance rate between the OSNA assay and pathology results was 91%. In the later period, 157 patients (217 SLNs) were examined. The CK19-positive rate obtained by the OSNA assay was 16.5% (macrometastases OSNA (++) : 7.2%, micrometastases OSNA (+) : 9.2%). The non-SLN positive rate among the CK19-positivecases was 23%. The OSNA assay's false negative was one case in which the expression of CK-19 on the primary tumor and lymph node was not detected.  Conclusions: Our OSNA assay results were comparable to those obtained using a conventional pathological technique. Pathologists and laboratory technicians could save time and effort by using the OSNA assay when seeking the precise diagnosis during surgery.
キーワード OSNA法(OSNA method) センチネルリンパ節(sentinel lymph node) micrometastases CK-19
備考 原著 (Original Paper)
出版物タイトル 岡山医学会雑誌
発行日 2014-04-01
126巻
1号
出版者 岡山医学会
出版者(別表記) Okayama Medical Association
開始ページ 25
終了ページ 30
ISSN 0030-1558
NCID AN00032489
資料タイプ 学術雑誌論文
関連URL http://www.okayama-u.ac.jp/user/oma/
言語 Japanese
著作権者 Copyright (c) 2014 岡山医学会
論文のバージョン publisher
査読 有り
DOI 10.4044/joma.126.25
Sort Key 5
Eprints Journal Name joma
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