局所的に進行した食道がんにおける腫瘍の蓄積:手術後のTNMステージと予後的な影響の再定義
Fan Zhang1, Zhen-Hua Li1, Ke-Qin Dong2
1Department of thoracic Surgery, The Fourth Affiliated Hospital of Hebei Medical University, Shijiazhuang, Hebei, China.
まとめ
食道がん (ESCA) の腫瘍積立 (TD) は,より悪い予後と相関しています. TDsをステージに含めると,患者のアウトカムを予測する精度が向上します.
科学分野:
- 腫瘍学
- 外科病理学
背景:
- 腫瘍堆積 (TDs) は,脂肪組織に蓄積した腫瘍細胞であり,大腸がんと食道がん (ESCA) で観察されています.
- ESCAにおけるTDの予後および段階的な影響は,それらがより悪い結果と結びついているいくつかの証拠にもかかわらず,完全に理解されていません.
研究 の 目的:
- 食道がん (ESCA) の腫瘍収納 (TD) の予後的意義を調査する.
- ESCAのTNM段階化システムに対するTDの影響を評価する.
主な方法:
- エソファゲクトミーを受けた482人のESCA患者 (2014年−2022年) の遡及分析.
- 患者は,手術後のサンプルに基づいて,腫瘍積立陽性 (TDP) と腫瘍積立陰性 (TDN) にグループ化されました.
- 臨床病理学的特徴と生存アウトカムを比較し,コックス回帰モデルで予後的有意性とTNM段階化効果を評価した.
主要な成果:
- 482人の患者 (TNMステージIII-IV) のうち,TDPは10. 2%,TDNは89. 8%でした.
- TDPグループは,全体的なコホートおよびTNMステージIIIおよびIVサブグループにおいて,TDNグループよりも著しく悪い予後を示しました.
- TDPは一貫して各N段階のサブグループで劣悪な結果を示し,TNM第3段階TDPとTNM第4段階TDNの患者との間に有意な差異はなかった.
結論:
- 腫瘍積層 (TD) は食道がん (ESCA) の有害な結果の独立した危険因子です.
- TDsの存在は,ESCA患者の予後が悪いと関連しています.
- 将来のTNMステージングシステムの更新にTDを含めるのは,予後精度を高めるために推奨されます.
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