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C-1176 - The simple and confusing types of meniscal tear in MRI examination

M. Kania-Pudlo1, M. Zabicka2, E. Frankowska1, R. Kidzinski1; 1 Warszawa/PL 2 Warsaw 44/PL Type: Educational Exhibit
Area of Interest: Musculoskeletal joint
Imaging Technique: MR
Procedure: Decision analysis
Special Focus: Trauma
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Learning objectives: To review the spectrum of meniscal changes visible in MRI examination after knee injury including the unusual or rare ones which can cause diagnostic confusion.

Background: The MRI examination is the method of choice for the non-invasive evaluation of meniscal tears. Numerous mechanisms of knee injury and the anatomical variations of meniscus visible in MRI examination make the diagnosis of the type and extent of meniscal tear difficult and may be the reason of overdia[...]

Findings and procedure details: The different types of meniscal tears visible in MRI examination are shown starting with the typical horizontal, longitudinal or radial tears proceeded with complex and displaced flap ones. In this part some particular, sometimes confusing tear features:  injury of the meniscal roots, parrot b[...]

Conclusion: The assessment of type of meniscal injury in MRI examination is essential for choosing  time and method of treatment after knee injury – conservative or surgery. The large spectrum of visible changes, some of them mimicking  the anatomic variants of the menisci and adjacent anatomical str[...]

Personal information:

References: Wadhwa V, Omar H, Coyner K, Khazzam M, Robertson W, Chhabra A. ISAKOSclassification of meniscal tears-illustration on 2D and 3D isotropic spin echo MR imaging. Eur J Radiol. 2016 Jan; 85(1):15-24. De Smet AA. How I diagnose meniscal tears on knee MRI. AJR Am J Roentgenol. 2012 Sep;199(3):481-499. Bo[...]

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