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Visualization of meniscus with 3D axial reconstructions
Eleftherios Lavdas1, Maria Papaioannou2, Panos Papanikolaou3
1University of West Attica, Department of Biomedical Sciences, Athens, Greece; Animus Kyanoys Stavros, Department of Radiology, Larissa, Greece.
Journal of Medical Imaging and Radiation Sciences
|September 7, 2021
Summary
This study demonstrates that an improvised 3-Dimensional Proton Density Fat Saturation (3D-PD FS) MRI sequence effectively visualizes the knee meniscus in the axial plane, accurately identifying meniscal tears.
Area of Science:
- Radiology
- Orthopedics
- Medical Imaging
Background:
- Conventional MRI sequences may not adequately visualize the knee meniscus.
- Improved visualization techniques are needed for accurate diagnosis of meniscal injuries.
Purpose of the Study:
- To assess the utility of an improvised 3-Dimensional Proton Density Fat Saturation (3D-PD FS) sequence for knee meniscus visualization in the axial plane.
- To identify meniscal injuries not visible with conventional MRI sequences.
Main Methods:
- A 3D-PD FS MRI sequence was applied to 202 subjects, including those with and without meniscal pathologies.
- Axial images were reconstructed and evaluated for visualization quality and accuracy of tear depiction.
- MR images of 20 patients with meniscal tears were compared with arthroscopic findings.
Main Results:
- All meniscal parts were clearly visualized in all subjects.
- Axial reformats provided superior meniscus imaging with high quality, fewer artifacts, and successful fat saturation.
- MR findings of meniscal tear topography perfectly matched arthroscopic results in 100% of cases.
Conclusions:
- The improvised 3D-PD FS sequence enables axial reconstruction for enhanced knee meniscus depiction.
- This technique accurately illustrates meniscal extent and tear location with high image quality.
- It offers a valuable tool for diagnosing meniscal pathologies.
