コントラスト強化された米国の未定焦点腎臓群の評価
Madhura A Desai1, Lauren F Alexander1, Mary J Clingan1
1Department of Radiology, Mayo Clinic Florida, 4500 San Pablo Rd, Jacksonville, FL 32224.
まとめ
コントラスト強化超音波 (CEUS) は,腎臓の質量を評価するための安全で効果的なツールであり,特に腎臓の問題のある患者の場合です. CEUSは,腎臓の病変の正確な特徴を提示し,固体から良性腫瘍を区別することができます.
科学分野:
- 放射線学 放射線学
- メディカルイマージング (医学イメージング)
- ネフロロジーはネフロロジーを用います.
背景:
- コントラスト強化超音波 (CEUS) は,不定の焦点腎臓の質を特徴づけるための牽引力を獲得しています.
- CEUSは,CTまたはMRIと比較して,安全性,移植性,および費用対効果などの利点を提供しています.
- 超音波コントラスト剤 (UCAs) は腎臓に毒性がないため,CEUSは腎機能障害の患者にとって理想的です.
研究 の 目的:
- CEUSの有用性を評価するために,不定の焦点性腎臓の質量の特徴を評価する.
- 腎臓の質量評価のためのコントラスト強化CTまたはMRIとのCEUSのパフォーマンスを比較する.
- 固体腎臓の塊から良性キスタを区別するCEUSの役割を強調する.
主な方法:
- 不定の焦点性腎臓の質量を画像化するためにCEUSを使用しました.
- 高時間解像度を使用して,損傷の血管性および perfusion を評価しました.
- 性および固体型の病変を含む病変を特徴付けるための強化パターンを分析した.
主要な成果:
- CEUSは,腎臓の質量を特徴付けるのに高い感度と特異性を示しました.
- このテクニックは,良性性キスタの流れを除外するための100%の負の予測値を持つ,内傷強化を正確に特定しました.
- CEUSの性能は,コントラスト強化CTやMRIに匹敵していました.
結論:
- CEUSは,不確定焦点腎臓質量に対する価値のある,安全で効果的な第一線イメージング方式です.
- CEUSは,腎臓機能の保存を必要とする患者に特に有益です.
- CEUSの高い感度と負の予測値は,固体腎臓の塊から良性無血管性キスタを自信を持って区別することを可能にします.
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