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Back to the 26 September 2026 edition

Pearl · 05 of 06

Say when the prostate MRI is not good enough

A PI-RADS score from a poor-quality scan should come with a statement that quality was poor.

If rectal gas distorts the diffusion sequence or motion blurs the T2 images, the reader of a PI-RADS 3 has no way of knowing whether the equivocal call reflects the gland or the scan. Say so in the report: name the degraded sequence and whether it limits assessment. A short line such as "DWI degraded by rectal gas; peripheral zone assessment limited" tells the urologist whether to trust the score, repeat the scan or proceed to biopsy.

  • Name any degraded sequence in the prostate MRI report.
  • State whether image quality limits the PI-RADS assessment.
  • Suggest a repeat scan when quality prevents a confident score.

Why it matters

Unstated quality problems turn into unnecessary biopsies or missed cancers downstream.

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