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Original research article

Arthroscopic and low-field MRI (0.25 T) evaluation of meniscus and ligaments of painful knee

Harish S LokannavarXiaochun YangHarsha Guduru
Department of MRI, Second Affiliated Hospital of Soochow University, San Xiang Road, 1055, Suzhou ‑ 215004, Jiangsu Province, China
Date of Submission: 03-Feb-2012, Date of Acceptance: 02-Apr-2012, Date of Web Publication: 23-May-2012.
Corresponding Author:
Corresponding Author

Harish S Lokannavar

E-mail: drharry4u@gmail.com

Corresponding Author:
Corresponding Author

Harish S Lokannavar

E-mail: drharry4u@gmail.com

DOI: 10.4103/2156-7514.96539 Facebook Twitter Google Linkedin


Objective: Magnetic resonance imaging (MRI) is an accurate, non-invasive, cost-effective technique for examination of the soft tissue and osseous structures of the knee. The purpose of this study was to evaluate the accuracy of low-field MRI by comparing the results with subsequent arthroscopy.
Materials and Methods: MR imaging study of 146 patients was done using 0.25 T ESTOATE G-SCAN and the sequence used were SE, FSE and GRE in all the three planes. The comparison was based on five parameters: accuracy, sensitivity, specificity, positive predictive value, and negative predictive value.
Result: Our study showed high accuracy (98.08%) and negative predictive value (98.62%) for MRI in comparison with arthroscopy.
Conclusion: Low-field MRI alleviates the need of arthroscopy for detection of meniscus tears and ligament tears.
Keywords: Arthroscopy, Ligaments, Low Field Magnetic Resonance Imaging, Meniscus, Painful Knee

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  2. Sweta Karmakar Ghosh, Vikram Thakur and Shubhajit Roy Chowdhury (2017) Design and simulations of low cost and low magnetic field MRI system. . Conference Presentation in 2017 Eleventh International Conference on Sensing Technology (ICST) 1. doi: 10.1109/ICSensT.2017.8304456
  3. Christian Kopkow, Alice Freiberg, Stephan Kirschner, Andreas Seidler and Jochen Schmitt (2013) Physical Examination Tests for the Diagnosis of Posterior Cruciate Ligament Rupture: A Systematic Review. J Orthop Sports Phys Ther 43(11):804. doi: 10.2519/jospt.2013.4906
  4. Ryan K. L. Lee, James F. Griffith, Yvonne Y. O. Lau, Joyce H. Y. Leung, Alex W. H. Ng, Esther H. Y. Hung and S. W. Law (2015) Diagnostic Capability of Low- Versus High-Field Magnetic Resonance Imaging for Lumbar Degenerative Disease. Spine 40(6):382. doi: 10.1097/BRS.0000000000000774
  5. Christopher S. Lee, Shane M. Davis, Claire McGroder, William B. Stetson and Scott E. Powell (2013) Analysis of Low-Field Magnetic Resonance Imaging Scanners for Evaluation of Knee Pathology Based on Arthroscopy. Orthopaedic Journal of Sports Medicine 1(7):232596711351342. doi: 10.1177/2325967113513423

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