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Purpose <p>Fine Needle Aspiration Biopsy (FNAB) is a critical diagnostic procedure for head and neck lesions, but its technical complexity poses challenges for beginners. This study aims to evaluate the efficacy and safety of a navigation-guided system (NGS) for ultrasound-guided FNAB compared to conventional methods.</p> Methods <p>This was a prospective, non-randomized, comparative study conducted between July 2024 and January 2025. Of 111 patients, 50 were assigned to the NGS group and 61 were assigned to the conventional group. Outcomes assessed included procedure time, number of attempts, first-pass success, complication rate, and non-diagnostic rate.</p> Results <p>The target lesion size was larger in the NGS group compared to the conventional group (2.26 ± 1.46&#xa0;cm vs. 1.77 ± 0.91&#xa0;cm, <i>p</i> = 0.042). The in-plane technique was used more frequently in the conventional group than in the NGS group (98.4% vs. 36.0%, <i>p</i> &lt; 0.001). The NGS group demonstrated a significantly shorter procedure time compared to the conventional group (65.27 ± 14.28&#xa0;s vs. 85.19 ± 22.93&#xa0;s, <i>p</i> &lt; 0.001). In the NGS group, the procedure time was shorter for the out-of-plane technique than for the in-plane technique (60.99 ± 13.32&#xa0;s vs. 72.87 ± 13.01&#xa0;s, <i>p</i> = 0.004). In the NGS group, the procedure time significantly decreased as the number of procedures was accumulated (<i>p</i> = 0.002).</p> Conclusion <p>The NGS method improves time efficiency in FNAB compared to the conventional method, with this trend being more pronounced in the out-of-plane technique.</p>

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Precision-enhancing magnetic needle tracking system in ultrasound-guided fine needle aspiration of head and neck lesions: a novel image-guided technique

  • 期刊论文

  • 发表日期：

    2026年4月1日

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  • Jooin Bang,
  • Sae-Rom Hong,
  • Oh-Hyeong Lee,
  • Sang-Yeon Kim,
  • Choung-Soo Kim,
  • Dong-Il Sun,
  • Jun-Ook Park

摘要

Purpose

Fine Needle Aspiration Biopsy (FNAB) is a critical diagnostic procedure for head and neck lesions, but its technical complexity poses challenges for beginners. This study aims to evaluate the efficacy and safety of a navigation-guided system (NGS) for ultrasound-guided FNAB compared to conventional methods.

Methods

This was a prospective, non-randomized, comparative study conducted between July 2024 and January 2025. Of 111 patients, 50 were assigned to the NGS group and 61 were assigned to the conventional group. Outcomes assessed included procedure time, number of attempts, first-pass success, complication rate, and non-diagnostic rate.

Results

The target lesion size was larger in the NGS group compared to the conventional group (2.26 ± 1.46 cm vs. 1.77 ± 0.91 cm, p = 0.042). The in-plane technique was used more frequently in the conventional group than in the NGS group (98.4% vs. 36.0%, p < 0.001). The NGS group demonstrated a significantly shorter procedure time compared to the conventional group (65.27 ± 14.28 s vs. 85.19 ± 22.93 s, p < 0.001). In the NGS group, the procedure time was shorter for the out-of-plane technique than for the in-plane technique (60.99 ± 13.32 s vs. 72.87 ± 13.01 s, p = 0.004). In the NGS group, the procedure time significantly decreased as the number of procedures was accumulated (p = 0.002).

Conclusion

The NGS method improves time efficiency in FNAB compared to the conventional method, with this trend being more pronounced in the out-of-plane technique.