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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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Diffusion Imaging in the Rat Cervical Spinal Cord
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Published on: April 7, 2015

Whole-body diffusion-weighted MRI: tips, tricks, and pitfalls.

Dow-Mu Koh1, Matthew Blackledge, Anwar R Padhani

  • 1Department of Radiology, Royal Marsden Hospital, Downs Rd, Sutton, Surrey SM25PT, UK. dowmukoh@icr.ac.uk

AJR. American Journal of Roentgenology
|July 25, 2012
PubMed
Summary

Whole-body diffusion-weighted MRI (WB-DW-MRI) aids tumor staging and treatment response assessment. Careful technique and understanding potential pitfalls are crucial for accurate radiologic practice.

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Area of Science:

  • Radiology
  • Oncology
  • Medical Imaging

Background:

  • Whole-body diffusion-weighted MRI (WB-DW-MRI) is an emerging technique with significant clinical potential.
  • Its application in oncology for staging and treatment monitoring is gaining traction.
  • Understanding the practical aspects of implementation and interpretation is essential.

Purpose of the Study:

  • To explore the clinical rationale behind adopting WB-DW-MRI.
  • To provide guidance on implementing WB-DW-MRI using standard clinical MRI systems.
  • To detail methods for optimizing image quality and minimizing artifacts.

Main Methods:

  • Discussion of clinical drivers for WB-DW-MRI adoption.
  • Practical recommendations for technique optimization on clinical MRI scanners.
  • Enumeration of common interpretive pitfalls and challenges.

Main Results:

  • WB-DW-MRI demonstrates utility in staging various tumors.
  • The technique is effective for assessing treatment response in oncologic patients.
  • Key strategies for image quality enhancement and artifact reduction were identified.

Conclusions:

  • Whole-body diffusion-weighted MRI is a valuable tool for tumor staging and evaluating treatment efficacy.
  • Adherence to meticulous technique and awareness of interpretive challenges are vital for successful clinical integration.
  • WB-DW-MRI is poised to become an established modality in diagnostic radiology.