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<p>The diagnostic workflow for prostate cancer detection has evolved substantially with advances in imaging technologies and biopsy techniques. Currently, MRI is the standard modality for prostate imaging in cancer detection. However, the rising incidence of prostate cancer and the limited accessibility and high cost of MRI created a growing need for more cost- and time-effective alternative imaging modalities. Micro-ultrasound (microUS), which enables prostatic ductal anatomy to be imaged with a 70-micron resolution, provides an alternative. Level 1 evidence currently shows the non-inferiority of microUS in detecting Grade Group ≥2 prostate cancer in biopsy-naive men compared with MRI. Clinical trials are ongoing to investigate microUS in various other indications. Inter-reader variability needs to be optimized, possibly through the incorporation of artificial intelligence (AI) assistance.</p>

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Micro-ultrasound for prostate cancer

  • 期刊论文

  • 发表日期：

    2025年11月27日

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  • Melis Guer,
  • Wayne G. Brisbane,
  • Hannes Cash,
  • Sangeet Ghai,
  • Laurence Klotz,
  • Paul F. R. Wilson,
  • Adam Kinnaird

摘要

The diagnostic workflow for prostate cancer detection has evolved substantially with advances in imaging technologies and biopsy techniques. Currently, MRI is the standard modality for prostate imaging in cancer detection. However, the rising incidence of prostate cancer and the limited accessibility and high cost of MRI created a growing need for more cost- and time-effective alternative imaging modalities. Micro-ultrasound (microUS), which enables prostatic ductal anatomy to be imaged with a 70-micron resolution, provides an alternative. Level 1 evidence currently shows the non-inferiority of microUS in detecting Grade Group ≥2 prostate cancer in biopsy-naive men compared with MRI. Clinical trials are ongoing to investigate microUS in various other indications. Inter-reader variability needs to be optimized, possibly through the incorporation of artificial intelligence (AI) assistance.