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Related Experiment Video

Updated: Apr 8, 2026

A Cognitive Fusion-guided Prostate Biopsy Using Multiparametric Magnetic Resonance Imaging and Transrectal Ultrasound
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Characterization of Clinically Significant Prostate Cancer in the Peripheral Zone Using Rapid B1-Insensitive MR

Dheeman Futela1,2, Zhiqing Yin3, Sohrab Afshari Mirak1,2

  • 1Department of Radiology, Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106.

Radiology
|April 7, 2026
PubMed
Summary

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This study shows that rapid MR fingerprinting (MRF) combined with diffusion MRI and PSA density can accurately characterize prostate cancer lesions. This approach improves the differentiation of clinically significant prostate cancer from benign findings.

Area of Science:

  • Radiology
  • Oncology
  • Medical Imaging

Background:

  • MR fingerprinting (MRF) is a valuable tool for characterizing focal prostate lesions.
  • Standard prostate MRI can be enhanced by MRF for improved lesion assessment.

Purpose of the Study:

  • To evaluate a rapid, B1-insensitive MRF technique combined with diffusion MRI for characterizing peripheral zone prostate lesions.
  • To compare the diagnostic performance of MRF-derived T1/T2 values and ADC with histopathologic analysis.

Main Methods:

  • Rapid, B1-insensitive MRF (15 seconds/section) and diffusion MRI were performed on 52 patients with suspected prostate cancer.
  • T1, T2, and apparent diffusion coefficient (ADC) values were analyzed using logistic regression and ROC curves.
  • Histopathologic analysis from MRI-guided biopsy served as the reference standard.

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Main Results:

  • Lower mean T2 and ADC values were observed in clinically significant PCa compared to benign lesions (P < .001).
  • Univariable analysis showed AUCs of 0.87 for T2 and 0.83 for ADC.
  • A multivariable model with T2 and ADC achieved an AUC of 0.90, further improved to 0.94 with serum PSA density.

Conclusions:

  • Rapid, B1-insensitive MRF-derived T1 and T2 values, combined with ADC, effectively characterize prostate cancer in the peripheral zone.
  • Incorporating serum PSA density further enhances the diagnostic performance for prostate cancer detection.