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Dynamic MRI of the diaphragm
M Kanematsu1, T Imaeda, R Mochizuki
1Department of Radiology, Gifu University School of Medicine, Japan.
Journal of Computer Assisted Tomography
|January 1, 1995
Summary
Single-slice dynamic MRI effectively visualizes the diaphragm in most patients, showing its thickness and enhanced layers. This technique offers valuable insights into diaphragmatic anatomy and function.
Area of Science:
- Radiology
- Medical Imaging
Background:
- The diaphragm's appearance on magnetic resonance imaging (MRI) is crucial for diagnosing various conditions.
- Dynamic MRI sequences offer potential for improved visualization of moving structures like the diaphragm.
Purpose of the Study:
- To demonstrate the feasibility and appearance of the diaphragm using single-slice dynamic MRI.
- To evaluate the diagnostic value of this specific MRI technique for diaphragmatic imaging.
Main Methods:
- A cohort of 53 patients underwent gadolinium-enhanced single-slice dynamic MRI.
- The imaging protocol focused on visualizing the diaphragm and surrounding structures.
Main Results:
- The diaphragm was visualized in 92.5% of cases, with a mean thickness of 4.4 mm.
- Enhanced high-intensity thin layers between the diaphragm and liver were identified in 86.8% of patients post-contrast.
Conclusions:
- Single-slice dynamic MRI is a valuable tool for demonstrating the diaphragm.
- The technique has limitations but provides significant anatomical and functional information.