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<p>Hydrogel spacers can be inserted to create a gap between the prostate and rectum prior to radiotherapy for prostate cancer, enabling higher radiation doses while reducing rectal toxicity. Spacer infection is relatively rare but significant. We report a case of robot-assisted radical prostatectomy performed for spacer infection and prostate cancer<b>.</b> A 75-year-old man with a hydrogel spacer presented with fatigue and fever after completing 30&#xa0;Gy of radiation therapy for prostate cancer. He was diagnosed with a periprostatic abscess associated with the hydrogel spacer. Following antibiotic treatment, he underwent robot-assisted radical prostatectomy with concurrent abscess drainage. The treatment outcome was favorable. This case of a radical prostatectomy conducted for spacer infection represents, to our knowledge, the first documented case of management of a hydrogel spacer infection. The favorable treatment outcome suggests that this may be a viable treatment option for similar cases.</p>

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Hydrogel spacer infection during prostate cancer radiotherapy: a case report of successful abscess management through radical prostatectomy

  • 期刊论文

  • 发表日期：

    2025年4月16日

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  • Hiroki Oshiro,
  • Yu Miyazaki,
  • Takuro Kakehi,
  • Masakatsu Hirano,
  • Yusuke Hama,
  • Maki Kanzawa,
  • Sojun Kanamaru

摘要

Hydrogel spacers can be inserted to create a gap between the prostate and rectum prior to radiotherapy for prostate cancer, enabling higher radiation doses while reducing rectal toxicity. Spacer infection is relatively rare but significant. We report a case of robot-assisted radical prostatectomy performed for spacer infection and prostate cancer. A 75-year-old man with a hydrogel spacer presented with fatigue and fever after completing 30 Gy of radiation therapy for prostate cancer. He was diagnosed with a periprostatic abscess associated with the hydrogel spacer. Following antibiotic treatment, he underwent robot-assisted radical prostatectomy with concurrent abscess drainage. The treatment outcome was favorable. This case of a radical prostatectomy conducted for spacer infection represents, to our knowledge, the first documented case of management of a hydrogel spacer infection. The favorable treatment outcome suggests that this may be a viable treatment option for similar cases.