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Based on the extent of distal spread (DS), the Japanese Society for Cancer of Colon and Rectum proposed an optimal distal margin in RS/Ra and Rb tumors. In this study, we investigated the clinical significance of DS between RS/Ra and Rb tumors. Methods We analyzed 287 stage I–III rectal cancer patients who underwent curative intent resection without preoperative therapy. DS and other pathological factors were evaluated using whole-mount sections. To investigate the clinical significance of DS in RS/Ra and Rb tumors, clinicopathological variables, including DS, were analyzed for the survival outcome according to the tumor group. Results DS was detected in 20 out of 185 (11%) patients with RS/Ra tumors and 8 out of 102 (8%) patients with Rb tumors. DS was not significantly associated with the overall survival (OS) or relapse-free survival (RFS) in RS/Ra tumors, but was an independent prognostic factor for the OS and RFS in Rb tumors (P = 0.002 and 0.007, respectively). 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直腸癌における肛門側癌進展の臨床的意義は原発巣の局在により異なる
http://hdl.handle.net/10191/0002000311
http://hdl.handle.net/10191/000200031112ed8be7-f30f-4faf-a8f5-bf2fe3162c9a
名前 / ファイル | ライセンス | アクション |
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本文 (1.25MB)
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要旨 (545KB)
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Item type | 学位論文 / Thesis or Dissertation(1) | |||||||||
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公開日 | 2022-04-04 | |||||||||
タイトル | ||||||||||
言語 | en | |||||||||
タイトル | The clinical significance of distal spread differs according to the primary tumor location in rectal cancer | |||||||||
タイトル | ||||||||||
言語 | ja | |||||||||
タイトル | 直腸癌における肛門側癌進展の臨床的意義は原発巣の局在により異なる | |||||||||
言語 | ||||||||||
言語 | eng | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | Distal spread | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | Rectal cancer | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | Whole-mount section | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | Clinical significance | |||||||||
資源タイプ | ||||||||||
資源 | http://purl.org/coar/resource_type/c_db06 | |||||||||
タイプ | doctoral thesis | |||||||||
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 |
阿部, 馨
× 阿部, 馨
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抄録 | ||||||||||
内容記述タイプ | Abstract | |||||||||
内容記述 | Purpose Treatment strategies of rectal cancer differ between tumors located above (RS/Ra) and below (Rb) the peritoneal reflection. Based on the extent of distal spread (DS), the Japanese Society for Cancer of Colon and Rectum proposed an optimal distal margin in RS/Ra and Rb tumors. In this study, we investigated the clinical significance of DS between RS/Ra and Rb tumors. Methods We analyzed 287 stage I–III rectal cancer patients who underwent curative intent resection without preoperative therapy. DS and other pathological factors were evaluated using whole-mount sections. To investigate the clinical significance of DS in RS/Ra and Rb tumors, clinicopathological variables, including DS, were analyzed for the survival outcome according to the tumor group. Results DS was detected in 20 out of 185 (11%) patients with RS/Ra tumors and 8 out of 102 (8%) patients with Rb tumors. DS was not significantly associated with the overall survival (OS) or relapse-free survival (RFS) in RS/Ra tumors, but was an independent prognostic factor for the OS and RFS in Rb tumors (P = 0.002 and 0.007, respectively). Conclusions The clinical significance of DS differs between RS/Ra and Rb tumors. DS is associated with a worse survival in Rb tumors, but not in RS/Ra tumors. | |||||||||
言語 | en | |||||||||
内容記述 | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | Surgery Today. 2020, 50(4), 360–368. | |||||||||
言語 | en | |||||||||
DOI | ||||||||||
識別子タイプ | DOI | |||||||||
関連識別子 | https://doi.org/10.1007/s00595-019-01882-x | |||||||||
権利 | ||||||||||
言語 | en | |||||||||
権利情報 | 【○!C】 Springer Nature Singapore Pte Ltd. 2019 | |||||||||
権利 | ||||||||||
言語 | en | |||||||||
学位名 | ||||||||||
言語 | ja | |||||||||
学位名 | 博士(医学) | |||||||||
学位授与機関 | ||||||||||
学位授与機関識別子Scheme | kakenhi | |||||||||
学位授与機関識別子 | 13101 | |||||||||
言語 | ja | |||||||||
学位授与機関名 | 新潟大学 | |||||||||
言語 | en | |||||||||
学位授与機関名 | Niigata University | |||||||||
学位授与年月日 | ||||||||||
学位授与年月日 | 2021-03-23 | |||||||||
学位授与番号 | ||||||||||
学位授与番号 | 甲第4852号 | |||||||||
学位記番号 | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | 新大院博(医)第1006号 | |||||||||
言語 | ja |