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Updated: Feb 3, 2026

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甲状腺癌に対するラジオ波焼灼療法
1Division of Endocrinology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390.
まとめ
ラジオ波焼灼療法(RFA)は、低リスクの乳頭癌に対する低侵襲治療の選択肢となります。この治療法は、腫瘍の著しい縮小、低い再発率、および甲状腺機能の維持を示し、手術に代わる実行可能な選択肢となります。
科学分野:
- 腫瘍学
- 低侵襲手術
背景:
- 乳頭癌(PTC)、特に乳頭癌微小癌(PTMC)は、低侵襲技術による管理が増加しています。
- ラジオ波焼灼療法(RFA)は、選択されたPTC症例に対する従来の治療法に代わる有望な選択肢となります。
研究 の 目的:
- 低リスクPTC管理のためのRFAの適応、有効性、および安全性に関する現在のエビデンスをレビューすること。
- 手術および積極的監視と比較した治療選択肢としてのRFAを評価すること。
主な方法:
- PTCに対するRFAに関する最近の研究の系統的レビュー。
- 腫瘍奏効、進行、再発率、および安全性プロファイルに関するデータの分析。
- 甲状腺機能および患者回復に対するRFAの影響の評価。
主要な成果:
- RFAは、完全奏効またはほぼ完全奏効の高い割合で、著しい腫瘍体積減少を示します。
- 進行および再発率は低く、良好な安全性プロファイルが観察されました。
- 利点としては、甲状腺機能の維持、目に見える傷跡がないこと、回復期間の短縮などが挙げられます。
結論:
- RFAは、特に1cm未満で甲状腺外進展やリンパ節転移のない腫瘍に対して、慎重に選択された低リスクPTCの実行可能な選択肢として、新たなガイドラインで認識されています。
- 現在のデータは、RFAが手術および積極的監視に代わる効果的で安全、かつ忍容性の高い代替法であることを支持しています。
- 術者依存性のため、耐久性を確認するにはさらなる長期データが必要であり、専門センターの開発が不可欠です。
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