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<p>Since its approval by the United States Food and Drug Administration (FDA), the rectal hydrogel spacer system SpaceOAR (SpaceOAR™ and Space-OAR Vue™, Boston Scientific Corporation, Marlborough, Massachusetts, United States) has become widely adopted in radiation therapy protocols for prostate cancer patients. The biodegradable hydrogel creates a temporary space between the prostate and rectum, thereby effectively reducing the radiation exposure to the anterior rectal wall. While the system is generally safe, potential complications can occur and should be recognized by radiologists. This pictorial review aims to familiarize radiologists with imaging features of SpaceOAR-related complications to ensure accurate diagnosis and reporting.</p>

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SpaceOAR hydrogel complications in prostate cancer radiotherapy: a pictorial review

  • 期刊论文

  • 发表日期：

    2025年4月5日

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  • Maximilian Pohl,
  • Nabih Nakrour,
  • Yashant Aswani,
  • Soumyadeep Ghosh,
  • Klara Pohl,
  • Abdelrahman Elshikh,
  • Mankan Yatin,
  • Rory L. Cochran,
  • Michael Fuchsjaeger,
  • Mukesh Harisinghani

摘要

Since its approval by the United States Food and Drug Administration (FDA), the rectal hydrogel spacer system SpaceOAR (SpaceOAR™ and Space-OAR Vue™, Boston Scientific Corporation, Marlborough, Massachusetts, United States) has become widely adopted in radiation therapy protocols for prostate cancer patients. The biodegradable hydrogel creates a temporary space between the prostate and rectum, thereby effectively reducing the radiation exposure to the anterior rectal wall. While the system is generally safe, potential complications can occur and should be recognized by radiologists. This pictorial review aims to familiarize radiologists with imaging features of SpaceOAR-related complications to ensure accurate diagnosis and reporting.