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Updated: Feb 8, 2026
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肛門がん（2025年）に関するSEOM-GEMCAD-TTD臨床ガイドライン
Mónica Guillot Morales1, Ana Fernández Montes2, Julen Fernández-Plana3
1Medical Oncology Department, Hospital Universitari Son Espases, UIB, IdisBa, Palma, Spain. monicam.guillot@ssib.es.
まとめ
まれではあるが増加傾向にある消化器新生物である肛門がんは、迅速な診断と病期分類が必要です。標準治療は、早期段階では化学放射線療法、転移性疾患では併用化学療法を含みます。
科学分野:
- 消化器病学
- 腫瘍学
- 医用画像処理
背景:
- 肛門がんの発生率は上昇しており、消化器新生物の2%を占めます。
- 診断は様々な病期で行われます：50%が限局性、29%が局所進行性、12%が転移性です。
- 早期発見と集学的管理が重要です。
研究 の 目的:
- 肛門がんの診断および管理基準を概説すること。
- 病期に応じた現在の治療戦略を詳述すること。
主な方法:
- 疑われる肛門がんの組織学的確認。
- 局所病期分類のための磁気共鳴画像法（MRI）。
- 遠隔転移病期分類のための胸腹部コンピューター断層撮影（CT）。
- 管理のための集学的チームアプローチ。
主要な成果:
- 早期/局所進行肛門がんの標準治療は化学放射線療法（5-フルオロウラシルおよびマイトマイシンC）です。
- 転移性肛門がんの治療には、タキサン系薬剤を用いた白金製剤ベースの化学療法が含まれます。
結論:
- MRIおよびCTによる正確な病期分類が不可欠です。
- 治療プロトコルは病期に依存し、化学放射線療法または併用化学療法を強調しています。
- 集学的ケアは肛門がん患者の転帰を最適化します。
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