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<p>We report a rare case of anomalous systemic arterial supply to the basal segment of the left lung (ABLL) coexisting with large-vessel giant cell arteritis (LV-GCA) in a 73-year-old woman. 18F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) demonstrated inflammatory involvement of both the aorta and the anomalous artery. To reduce vascular and perioperative risks, immunosuppressive therapy was initiated first, resulting in improvement in clinical and radiological findings. This case highlights the importance of controlling active vasculitis before definitive surgical treatment.</p>

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Anomalous systemic arterial supply to the basal segment of the left lung with large vessel giant cell arteritis demonstrated by 18F-FDG PET/CT

  • 期刊论文

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  • 发表日期：

    2026年8月5日

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  • Takanori Ichikawa,
  • Megumi Kubota,
  • Dai Kishida,
  • Yasuhiro Shimojima,
  • Yoshiki Sekijima

摘要

We report a rare case of anomalous systemic arterial supply to the basal segment of the left lung (ABLL) coexisting with large-vessel giant cell arteritis (LV-GCA) in a 73-year-old woman. 18F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) demonstrated inflammatory involvement of both the aorta and the anomalous artery. To reduce vascular and perioperative risks, immunosuppressive therapy was initiated first, resulting in improvement in clinical and radiological findings. This case highlights the importance of controlling active vasculitis before definitive surgical treatment.