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Updated: Feb 8, 2026

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Functional Imaging of Brown Fat in Mice with 18F-FDG micro-PET/CT
Published on: November 23, 2012
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セマグルチド初回投与5日後の18F-FDG PET/CT:一回の撮影で捉えた副作用
Elizabeth Katherine Anna Triumbari1,2, Margherita Lorusso1, Fiammetta Cirillo1
1Nuclear Medicine Unit - Medipass Ergéa Group, Fondazione Policlinico Universitario Campus Bio-Medico.
Clinical nuclear medicine
|February 6, 2026
まとめ
この症例研究は、GLP-1受容体作動薬であるセマグルチドによる胃不全麻痺や腎障害を含む多臓器への副作用が、18F-FDG PET/CTスキャンによってどのように明らかになるかを強調しています。核医学医師は、これらの画像所見を認識する必要があります。
科学分野:
- 核医学
- 放射線学
- 腫瘍学
背景:
- セマグルチドのようなグルカゴン様ペプチド-1(GLP-1)受容体作動薬は、2型糖尿病や肥満に広く使用されています。
- 副作用は一般的ですが、画像での多臓器への影響は十分に文書化されていません。
研究 の 目的:
- 18F-FDG PET/CTで視覚化されたセマグルチド誘発性の多臓器への副作用の症例を報告すること。
- これらの潜在的な画像所見に関する核医学医師の認識を高めること。
主な方法:
- 転移性乳癌の60歳女性が、治療効果の評価のために18F-FDG PET/CTを受けました。
- 疑われる副作用を確認するために、臨床評価および検査が行われました。
主要な成果:
- 18F-FDG PET/CTは、胃の異常な貯留、胆嚢、大腸、腎臓への集積を示しました。
- これらの所見は、セマグルチド誘発性の胃不全麻痺、胆嚢炎、大腸炎、および急性腎障害を示唆していました。
- 支持療法とセマグルチドの中止後、症状は改善しました。
結論:
- これは、18F-FDG PET/CTで視覚化されたセマグルチドの多臓器への副作用の最初の報告です。
- 核医学医師は、GLP-1受容体作動薬に関連する副作用とその画像パターンに注意する必要があります。
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