上部消化管病理学の新情報:2026年の主要な更新と進化する課題
Domenika Ortiz Requena1, Elizabeth A Montgomery1
1University of Miami Miller School of Medicine, Department of Pathology and Laboratory Medicine, Miami, FL, USA.
Human pathology
|December 27, 2025
まとめ
消化管腫瘍に関する世界保健機関(WHO)の第6版分類は、用語とグレーディングを簡略化します。リツキシマブおよびCAR-T療法を含む新たな免疫療法関連傷害は、病理医による慎重な組織学的評価を必要とします。
科学分野:
- 消化器病学
- 腫瘍学
- 病理学
背景:
- 上部消化管(GI)の診断病理学は急速に進化しています。
- 疾患の理解には、分子病態、臨床実践、国際標準の更新が不可欠です。
- 消化器系腫瘍に関する世界保健機関(WHO)の第6版分類は、大きな変更をもたらします。
研究 の 目的:
- 上部消化管腫瘍に関するWHO第6版分類の主要な更新点を要約すること。
- 免疫療法に関連する新たな治療関連傷害の概要を説明すること。
- 上部消化管病理学における診断上の課題を乗り切るための実践的なガイドを提供すること。
主な方法:
- 消化器系腫瘍に関するWHO第6版分類のレビュー。
- 免疫療法に関連する上部消化管粘膜変化に関する文献の分析。
- リツキシマブおよびキメラ抗原受容体T細胞(CAR-T)療法関連の変化に焦点を当てる。
主要な成果:
- WHO第6版では、食道扁平上皮化生が独立した病態として組み込まれています。
- 胃粘膜化生および異形成病変に対するアプローチが変更されています。
- リツキシマブおよびCAR-T療法に関連する上部消化管の新たな傷害パターンが特定されています。
結論:
- 病理医は、更新されたWHO分類および新たな治療関連傷害を認識する必要があります。
- 上部消化管病変の誤分類を避けるためには、正確な組織学的評価が不可欠です。
- これらの更新は、上部消化管病理学における診断の一貫性と患者ケアを改善することを目的としています。
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