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Revisiting quantitative multi-parametric MRI of benign prostatic hyperplasia and its differentiation from transition zone cancer

  • Aritrick Chatterjee
  • Alexander J. Gallan
  • Dianning He
  • Xiaobing Fan
  • Devkumar Mustafi
  • Ambereen Yousuf
  • Tatjana Antic
  • Gregory S. Karczmar
  • Aytekin OtoEmail author
Pelvis

Abstract

Purpose

This study investigates the multiparametric MRI (mpMRI) appearance of different types of benign prostatic hyperplasia (BPH) and whether quantitative mpMRI is effective in differentiating between prostate cancer (PCa) and BPH.

Materials and methods

Patients (n = 60) with confirmed PCa underwent preoperative 3T MRI. T2-weighted, multi-echo T2-weighted, diffusion weighted and dynamic contrast enhanced images (DCE) were obtained prior to undergoing prostatectomy. PCa and BPH (cystic, glandular or stromal) were identified in the transition zone and matched with MRI. Quantitative mpMRI metrics: T2, ADC and DCE-MRI parameters using an empirical mathematical model were measured.

Results

ADC values were significantly lower (p < 0.001) in PCa compared to all BPH types and can differentiate between PCa and BPH with high accuracy (AUC = 0.87, p < 0.001). T2 values were significantly lower (p < 0.001) in PCa compared to cystic BPH only, while glandular (p = 0.27) and stromal BPH (p = 0.99) showed no significant difference from PCa. BPH mimics PCa in the transition zone on DCE-MRI evidenced by no significant difference between them. mpMRI values of glandular (ADC = 1.31 ± 0.22 µm2/ms, T2 = 115.7 ± 37.3 ms) and cystic BPH (ADC = 1.92 ± 0.43 µm2/ms, T2 = 242.8 ± 117.9 ms) are significantly different. There was no significant difference in ADC (p = 0.72) and T2 (p = 0.46) between glandular and stromal BPH.

Conclusions

Multiparametric MRI and specifically quantitative ADC values can be used for differentiating PCa and BPH, improving PCa diagnosis in the transition zone. However, DCE-MRI metrics are not effective in distinguishing PCa and BPH. Glandular BPH are not hyperintense on ADC and T2 as previously thought and have similar quantitative mpMRI measurements to stromal BPH. Glandular and cystic BPH appear differently on mpMRI and are histologically different.

Keywords

Prostate cancer Benign prostatic hyperplasia Cystic Stromal Glandular 

Notes

Disclosures

Dr Aytekin Oto has the following disclosures - Research Grant, Koninklijke Philips NV Research Grant, Guerbet SA Research Grant, Profound Medical Inc. Medical Advisory Board, Profound Medical Inc Speaker, Bracco Group.

Funding

Philips Healthcare and National Institutes of Health (NIH R01 CA172801 and NIH 1S10OD018448-01).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interests.

Ethical approval

The study was conducted after institutional review board approval and was compliant with Health Insurance Portability and Accountability Act.

Informed consent

Informed patient consent was obtained for recruiting patients in this study.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Aritrick Chatterjee
    • 1
  • Alexander J. Gallan
    • 2
  • Dianning He
    • 1
    • 3
  • Xiaobing Fan
    • 1
  • Devkumar Mustafi
    • 1
  • Ambereen Yousuf
    • 1
  • Tatjana Antic
    • 2
  • Gregory S. Karczmar
    • 1
  • Aytekin Oto
    • 1
    Email author
  1. 1.Department of RadiologyUniversity of ChicagoChicagoUSA
  2. 2.Department of PathologyUniversity of ChicagoChicagoUSA
  3. 3.Sino-Dutch Biomedical and Information Engineering SchoolNortheastern UniversityShenyangPeople’s Republic of China

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