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Purpose <p>Accurate preoperative assessment of internal carotid artery (ICA) invasion is crucial in managing glomus jugulare tumors. This study evaluated the efficacy of contrast-enhanced 3D BRAin VOlume (BRAVO) imaging compared to enhanced fast spin-echo (FSE) T1-weighted imaging and enhanced computed tomography (CT).</p> Methods <p>Retrospective analysis was performed on imaging data from surgically confirmed glomus jugulare tumors, including temporal bone enhanced BRAVO, enhanced T1-weighted FSE, and temporal bone enhanced CT sequences. ICA encasement and stenosis by tumor were graded and compared based on intraoperative assessment. According to Fisch criteria, the preoperative image C-type based on BRAVO, FSE and CT were separately and compared with surgical C-type (gold standard).</p> Results <p>Among 21 patients, For image Fisch C-type, BRAVO showed excellent agreement with surgical C-type (κ = 1.000, <i>P</i> &lt; 0.001), outperforming enhanced FSE (κ = 0.561) and CT (κ = 0.702). For ICA encasement, BRAVO had moderate agreement (κ = 0.513), slightly better than enhanced FSE (κ = 0.431) but inferior to enhanced CT (κ = 0.648). For ICA stenosis, BRAVO (κ = 0.588) surpassed enhanced FSE (κ = 0.339) but was less accurate than enhanced CT (κ = 0.716).</p> Conclusion <p>Enhanced BRAVO and temporal bone enhanced CT are complementary for assessing ICA involvement in glomus jugulare tumors, offering superior accuracy over conventional FSE imaging.</p>

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Preoperative evaluation of internal carotid artery invasion in glomus jugulare tumors: applicability of contrast-enhanced 3D brain volume imaging

  • 期刊论文

  • 发表日期：

    2026年1月7日

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  • Tong Su,
  • Xu Tian,
  • Mingyang Mao,
  • Huiying Sun,
  • Zhentan Xu,
  • Yu Chen,
  • Zhuhua Zhang,
  • Guodong Feng,
  • Feng Feng,
  • Zhengyu Jin

摘要

Purpose

Accurate preoperative assessment of internal carotid artery (ICA) invasion is crucial in managing glomus jugulare tumors. This study evaluated the efficacy of contrast-enhanced 3D BRAin VOlume (BRAVO) imaging compared to enhanced fast spin-echo (FSE) T1-weighted imaging and enhanced computed tomography (CT).

Methods

Retrospective analysis was performed on imaging data from surgically confirmed glomus jugulare tumors, including temporal bone enhanced BRAVO, enhanced T1-weighted FSE, and temporal bone enhanced CT sequences. ICA encasement and stenosis by tumor were graded and compared based on intraoperative assessment. According to Fisch criteria, the preoperative image C-type based on BRAVO, FSE and CT were separately and compared with surgical C-type (gold standard).

Results

Among 21 patients, For image Fisch C-type, BRAVO showed excellent agreement with surgical C-type (κ = 1.000, P < 0.001), outperforming enhanced FSE (κ = 0.561) and CT (κ = 0.702). For ICA encasement, BRAVO had moderate agreement (κ = 0.513), slightly better than enhanced FSE (κ = 0.431) but inferior to enhanced CT (κ = 0.648). For ICA stenosis, BRAVO (κ = 0.588) surpassed enhanced FSE (κ = 0.339) but was less accurate than enhanced CT (κ = 0.716).

Conclusion

Enhanced BRAVO and temporal bone enhanced CT are complementary for assessing ICA involvement in glomus jugulare tumors, offering superior accuracy over conventional FSE imaging.