原発不明のメラノーマ:症例報告と文献レビュー
Matteo Matteucci1, Vito D'Andrea2, Bruno Cirillo2
1Department of Medicine and General Surgery, University of Milan, 20122 Milan, Italy.
Annali italiani di chirurgia
|February 13, 2026
まとめ
未知の原発性 (MUP) のメラノーマはまれで,リンパ節と消化管にしばしば影響する. マネジメントミラーでは,既知の原発性メラノーマと,ステージIVのMUPに不可欠な免疫チェックポイント阻害剤などの全身療法を併用しています.
科学分野:
- 腫瘍学 腫瘍学
- 皮膚科 皮膚科について
- 病理学 パトロジー
背景:
- 未知の原発性メラノーマ (MUP) は,メラノーマ症例の3~4%を占めています.
- MUPは,検出可能な原発性病変のない,確認されたメラノーマ転移によって定義されます.
- MUPの診断および治療ガイドラインは,その希少性のために十分に確立されていません.
研究 の 目的:
- MUPに関するケースレポートをレビューする.
- MUPの一般的な解剖部位,症状,診断方法,治療法を特定します.
- MUPの特徴と管理を調査する.
主な方法:
- 出版された94件の症例報告の文献レビュー.
- 解剖学的部位の分析,症状の提示,診断方法,治療戦略.
- inguinal MUP.を持つ81歳の女性の特定のケースのプレゼンテーションが含まれています.
主要な成果:
- MUPは男性に多く見られる.
- 帯リンパ節は最も頻繁な部位であり,次いで子宮頸部および手足の節があります.
- 胃腸 (胃,小腸) は,最も一般的な外節部位です.
結論:
- MUPは,不明な病原性を持つ転移性メラノーマの挑戦的なプレゼンテーションです.
- MUPは,ステージIVの病気としてステージ化されるべきです.
- 治療は,既知のプライマリ (MKP) のステージIVメラノーマと一致し,免疫チェックポイント阻害剤や標的薬などの全身療法を使用する必要があります.
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