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Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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MRI of the Prostate in Germany: Online Survey among Radiologists.

RoFo : Fortschritte auf dem Gebiete der Rontgenstrahlen und der Nuklearmedizin·2015
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Image quality and cancer visibility of T2-weighted magnetic resonance imaging of the prostate at 7 Tesla.

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Cystic fibrosis in adults: short-term and long-term reproducibility of the Brody score for lung morphology in low-dose MDCT scans.

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A Cognitive Fusion-guided Prostate Biopsy Using Multiparametric Magnetic Resonance Imaging and Transrectal Ultrasound
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[Diffusion-weighted MRI of the prostate].

U G Mueller-Lisse1, U L Mueller-Lisse, P Zamecnik

  • 1Institut für Klinische Radiologie, Klinikum der Ludwig-Maximilians-Universität München, Campus Innenstadt, Ziemssenstrasse 1, Munich, Germany. ullrich.mueller-lisse@med.uni-muenchen.de

Der Radiologe
|February 18, 2011
PubMed
Summary
This summary is machine-generated.

Diffusion-weighted MRI (DWI) aids prostate cancer detection, especially after negative biopsies. DWI identifies tumors by assessing cell density and diffusion, complementing standard MRI for better localization.

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Area of Science:

  • Radiology
  • Oncology
  • Medical Imaging

Background:

  • Prostate cancer detection can be challenging, particularly after negative biopsies.
  • Diffusion-weighted magnetic resonance imaging (DWI) offers complementary information to standard MRI.
  • Understanding DWI's role in prostate cancer diagnosis is crucial for clinical application.

Purpose of the Study:

  • To evaluate the utility of DWI in detecting and localizing prostate cancer.
  • To analyze the quantitative and qualitative aspects of DWI in prostate cancer assessment.
  • To compare DWI findings with MR spectroscopy and other influencing factors.

Main Methods:

  • Systematic review of 13 original reports and 2 reviews published in 2010.
  • Analysis of DWI images for qualitative assessment of prostate cancer.
  • Quantitative assessment using the apparent diffusion coefficient (ADC) and comparison with MR spectroscopy ratios.

Main Results:

  • Prostate cancer exhibits increased cell density and decreased diffusiveness detectable by DWI.
  • ADC values are influenced by diffusion weighting, prostate zone, prostatitis, hemorrhage, and tumor characteristics.
  • Combined MRI and DWI showed slightly better test quality parameters than MRI alone.

Conclusions:

  • DWI is a valuable tool for prostate cancer detection and localization, especially post-biopsy.
  • Standardization of DWI techniques and larger patient cohorts are needed for clinical validation.
  • DWI's quantitative (ADC) and qualitative assessments provide complementary diagnostic information.