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<p>MRI-guided transurethral ultrasound ablation (TULSA) is an effective treatment for prostate cancer, but proximity to the rectum presents a challenge for ablation margin. We report the first case using saline infusion to displace the rectal wall during TULSA, allowing for improved treatment margins while minimizing rectal risk. A 67-year-old male with a Gleason score 3 + 4 = 7 lesion underwent right hemiablation with saline infusion achieving 5.3&#xa0;mm displacement. Post-procedure imaging showed no rectal injury, and follow-up revealed no complications or recurrence. This novel technique demonstrates the safety and feasibility of saline displacement to enhance ablation coverage, offering a promising solution for treating lesions near the rectum.</p>

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Saline Displacement of Rectal Wall for Improved Margin During MRI-Guided Transurethral Ultrasound Ablation (TULSA)

  • 期刊论文

  • 发表日期：

    2025年6月24日

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  • Setayesh Sotoudehnia,
  • Ben Y. C. Leung,
  • Scott M. Thompson,
  • Daniel A. Adamo,
  • Lance A. Mynderse,
  • David A. Woodrum

摘要

MRI-guided transurethral ultrasound ablation (TULSA) is an effective treatment for prostate cancer, but proximity to the rectum presents a challenge for ablation margin. We report the first case using saline infusion to displace the rectal wall during TULSA, allowing for improved treatment margins while minimizing rectal risk. A 67-year-old male with a Gleason score 3 + 4 = 7 lesion underwent right hemiablation with saline infusion achieving 5.3 mm displacement. Post-procedure imaging showed no rectal injury, and follow-up revealed no complications or recurrence. This novel technique demonstrates the safety and feasibility of saline displacement to enhance ablation coverage, offering a promising solution for treating lesions near the rectum.