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MRI of bowel obstruction using the HASTE sequence
1Department of Radiology and Radiological Science, Johns Hopkins Hospital, Baltimore, MD 21287, USA.
Journal of Computer Assisted Tomography
|September 1, 1996
Summary
High-quality gastrointestinal MRI is achievable with the HASTE sequence, enabling single breath-hold scans insensitive to motion. This technique accurately diagnoses bowel obstruction, including dilation and tumor presence.
Area of Science:
- Medical Imaging
- Gastroenterology
- Radiology
Background:
- Gastrointestinal tract imaging presents challenges due to motion artifacts.
- High-quality Magnetic Resonance (MR) imaging of the abdomen requires efficient sequences.
Purpose of the Study:
- To evaluate the efficacy of a T2-weighted fast spin-echo (SE) MR sequence with half-Fourier acquisition of data (HASTE) for gastrointestinal imaging.
- To assess the HASTE sequence's utility in diagnosing bowel obstruction.
Main Methods:
- Utilized a T2-weighted fast SE MR sequence with HASTE.
- Acquired image sets during a single breath-hold period.
- Assessed image quality and insensitivity to peristalsis-related artifacts.
Main Results:
- The HASTE sequence yields high-quality MR images of the gastrointestinal tract.
- The sequence is insensitive to peristalsis-related artifacts, acquiring images in a single breath hold.
- The technique accurately identifies bowel dilation, obstruction level, and differentiates obstructing tumors.
Conclusions:
- The HASTE sequence is a valuable tool for high-quality gastrointestinal MR imaging.
- It is effective in the diagnosis and characterization of bowel obstruction.
- This fast MR technique aids in surgical planning and differential diagnosis of abdominal pathologies.