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Magnetic Resonance Imaging01:24

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Magnetic Resonance Imaging Assessment of Carcinogen-induced Murine Bladder Tumors
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Magnetic resonance colonography.

Anno Graser1

  • 1Department of Clinical Radiology, University of Munich, Grosshadern, Munich, Germany. anno.graser@med.lmu.de

Radiologic Clinics of North America
|November 28, 2012
PubMed
Summary
This summary is machine-generated.

Magnetic resonance colonography (MRC) uses water distension and fast imaging for clear colon visualization. This technique aids in identifying normal findings and various pathologies within the large bowel.

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Area of Science:

  • Medical Imaging
  • Gastroenterology
  • Radiology

Background:

  • Magnetic resonance colonography (MRC) is an imaging technique for the large bowel.
  • Achieving high image quality requires rapid data acquisition within breath-hold limits.

Purpose of the Study:

  • To provide a comprehensive overview of Magnetic resonance colonography (MRC).
  • To detail MRC technique, image acquisition, and post-processing.
  • To cover normal findings and common pathologies with differential diagnoses.

Main Methods:

  • Utilizes whole-body MRI scanners with laxative-based purgation and water distension.
  • Employs fast 3D fat-saturated T1-weighted sequences with parallel imaging.
  • Achieves "dark lumen" contrast for enhanced visualization of the bowel wall.

Main Results:

  • Fast imaging sequences enable acquisition within comfortable breath-hold times.
  • Intravenous contrast agent highlights bowel wall signal intensity.
  • The technique facilitates clear differentiation of normal and abnormal colonic structures.

Conclusions:

  • MRC is an effective technique for colonic imaging.
  • Understanding MRC technique and findings is crucial for accurate diagnosis.
  • This review covers essential aspects for interpreting MRC examinations.