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Diagnostic significance of apical membranous and cytoplasmic dot-like CD26 expression in encapsulated follicular variant of papillary thyroid carcinoma : a useful marker for capsular invasion
https://kagawa-u.repo.nii.ac.jp/records/7335
https://kagawa-u.repo.nii.ac.jp/records/733522ff6f4a-6082-424e-bf1a-2c58a11622e8
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本文 (4.2 MB)
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内容の要旨 (836.8 kB)
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審査の結果の要旨 (119.2 kB)
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| Item type | 学位論文 / Thesis or Dissertation(1) | |||||||||||||
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| 公開日 | 2021-04-22 | |||||||||||||
| タイトル | ||||||||||||||
| タイトル | Diagnostic significance of apical membranous and cytoplasmic dot-like CD26 expression in encapsulated follicular variant of papillary thyroid carcinoma : a useful marker for capsular invasion | |||||||||||||
| 言語 | en | |||||||||||||
| 言語 | ||||||||||||||
| 言語 | eng | |||||||||||||
| 資源タイプ | ||||||||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_db06 | |||||||||||||
| 資源タイプ | doctoral thesis | |||||||||||||
| その他（別言語等）のタイトル | ||||||||||||||
| その他のタイトル | 被包性濾胞型乳頭癌におけるCD26の細胞膜発現およびドット状発現の診断意義 : 被膜浸潤の有用なマーカー | |||||||||||||
| 言語 | ja | |||||||||||||
| アクセス権 | ||||||||||||||
| アクセス権 | open access | |||||||||||||
| アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||||||
| 著者 |
髙木, 翔士
× 髙木, 翔士
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| 抄録 | ||||||||||||||
| 内容記述タイプ | Abstract | |||||||||||||
| 内容記述 | Non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) and invasive encapsulated follicular variant of papillary thyroid carcinoma (EFV-PTC) are indistinguishable preoperatively. CD26 expression in follicular tumor-uncertain malignant potential (FT-UMP) is reported to be clearly higher than in that without capsular invasion. To verify the diagnostic significance of CD26 immunostaining in EFV-PTC, we examined the expression pattern of CD26 in non-invasive EFV-PTC (NIFTP) and invasive EFV-PTC. We performed immunohistochemical analysis using CD26 antibody for 37 NIFTPs and 54 EFV-PTCs (34 minimally invasive EFV-PTCs and 20 widely invasive EFV-PTCs). Most NIFTP samples showed an apical membranous pattern or a cytoplasmic diffuse pattern of expression. Invasive EFV-PTCs more frequently showed a cytoplasmic dot-like pattern, and the labeling indices of tumor cells with cytoplasmic dot-like patterns were significantly higher than those in NIFTPs. The sizes of dots seen in NIFTPs (mean: 1.12 μm) were significantly smaller than in invasive EFV-PTCs (1.33 μm), minimally invasive EFV-PTC (1.27 μm), and widely invasive EFV-PTC (1.38 μm). We, therefore, conclude that cytoplasmic diffuse and/or cytoplasmic dot-like CD26 expression, particularly the larger CD26-positive dots, could be useful markers for capsular invasion in EFV-PTC. CD26 immunostaining, using cell blocks or cytological specimens, may preoperatively distinguish between NIFTP and invasive EFV-PTC. | |||||||||||||
| 言語 | en | |||||||||||||
| 学位名 | ||||||||||||||
| 言語 | ja | |||||||||||||
| 学位名 | 博士（医学） | |||||||||||||
| 学位授与機関 | ||||||||||||||
| 識別子Scheme | kakenhi | |||||||||||||
| 識別子 | 16201 | |||||||||||||
| 言語 | ja | |||||||||||||
| 機関名 | 香川大学 | |||||||||||||
| 言語 | en | |||||||||||||
| 機関名 | Kagawa University | |||||||||||||
| 学位授与年月日 | ||||||||||||||
| 学位授与年月日 | 2021-03-24 | |||||||||||||
| 学位授与番号 | ||||||||||||||
| 学位授与番号 | 甲第769号 | |||||||||||||
| 権利 | ||||||||||||||
| 言語 | en | |||||||||||||
| 権利情報 | © The Japan Endocrine Society | |||||||||||||
| 関連サイト | ||||||||||||||
| 関連タイプ | isVersionOf | |||||||||||||
| 識別子タイプ | DOI | |||||||||||||
| 関連識別子 | https://doi.org/10.1507/endocrj.EJ19-0501 | |||||||||||||
| 著者版フラグ | ||||||||||||||
| 出版タイプ | P | |||||||||||||
| 出版タイプResource | http://purl.org/coar/version/c_fa2ee174bc00049f | |||||||||||||
| キーワード | ||||||||||||||
| 言語 | en | |||||||||||||
| 主題Scheme | Other | |||||||||||||
| 主題 | Non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) | |||||||||||||
| キーワード | ||||||||||||||
| 言語 | en | |||||||||||||
| 主題Scheme | Other | |||||||||||||
| 主題 | Follicular variant of papillary thyroid carcinoma | |||||||||||||
| キーワード | ||||||||||||||
| 言語 | en | |||||||||||||
| 主題Scheme | Other | |||||||||||||
| 主題 | CD26 | |||||||||||||
| キーワード | ||||||||||||||
| 言語 | en | |||||||||||||
| 主題Scheme | Other | |||||||||||||
| 主題 | Capsular invasion | |||||||||||||
