Medial Discoid Meniscus: A Rare Condition. Case Report and Treatment Considerations

Main Article Content

Hugo Vasquez Diaz
Diego Toledo Riquelme
Marco Tulio Gutierrez Gonzalez
Pedro Valdecantos Poblete

Abstract

Medial discoid meniscus is an extremely rare condition, with a reported incidence of 0.12 -0.3%. It results from early developmental abnormalities that produce a thickened meniscus, compromising function and stability and predisposing to injury. Magnetic resonance imaging (MRI) is the main diagnostic tool, while arthroscopy is considered the gold standard for confirmation. Treatment depends on clinical symptoms and associated injuries, and may be conservative or surgical, with an emphasis on preserving as much meniscal tissue as possible. We report the case of a 14-year-old patient with left knee pain. MRI findings confirmed thediagnosis of medial discoid meniscus. The patient underwent arthroscopic saucerization with a favorable postoperative outcome.

Downloads

Download data is not yet available.

Article Details

How to Cite
Vasquez Diaz, H., Toledo Riquelme, D., Gutierrez Gonzalez, M. T., & Valdecantos Poblete, P. (2025). Medial Discoid Meniscus: A Rare Condition. Case Report and Treatment Considerations. Revista De La Asociación Argentina De Ortopedia Y Traumatología, 90(5), 489-493. https://doi.org/10.15417/issn.1852-7434.2025.90.5.2045
Section
Case Presentations
Author Biographies

Hugo Vasquez Diaz, Pediatric Traumatology Service, Clínica Dávila, Santiago de Chile, Chile

Pediatric Traumatology Service, Clínica Dávila, Santiago de Chile, Chile

Diego Toledo Riquelme, Pediatric Traumatology Service, Clínica Dávila, Santiago de Chile, Chile

Pediatric Traumatology Service, Clínica Dávila, Santiago de Chile, Chile

Marco Tulio Gutierrez Gonzalez, Pediatric Traumatology Service, Clínica Dávila, Santiago de Chile, Chile

Pediatric Traumatology Service, Clínica Dávila, Santiago de Chile, Chile

Pedro Valdecantos Poblete, Pediatric Traumatology Service, Clínica Dávila, Santiago de Chile, Chile

Pediatric Traumatology Service, Clínica Dávila, Santiago de Chile, Chile

References

1. Masquijo JJ, Bernocco F, Porta J. Menisco discoide en niños y adolescentes: correlación entre la morfología y la
presencia de lesiones. Rev Esp Cir Ortop Traumatol 2019;63:24-8. https://doi.org/10.1016/j.recot.2018.08.002

2. Yang X, Shao D. Bilateral discoid medial meniscus. Two case reports. Medicine (Baltimore) 2019;98:e15182.
https://doi.org/10.1097/MD.0000000000015182

3. Campbell AL, Pace JL, Mandelbaum BR. Discoid lateral meniscus. Curr Rev Musculoskelet Med 2023;16:154-161.
https://doi.org/10.1007/s12178023-09824-4

4. Tyler PA, Jain V, Ashraf T, Saifuddin A. Update on imaging of the discoid meniscus. Skeletal Radiol 2022;51(5):935-56. https://doi.org/10.1007/s00256-021-03910-9

5. Chico-Carpizo F, Arauz de Robles S, Alonso-Hernández J. Symptomatic bilateral medial discoid meniscus treated
with arthroscopic meniscal remodeling: clinical case. Rev Esp Cir Ortop Traumatol (Engl Ed) 2020;64(5):350-4.
https://doi.org/10.1016/j.recot.2020.02.005

6. Saavedra M, Sepúlveda M, Jesús Tuca M, Birrer E. Discoid meniscus: current concepts. EFORT Open Rev 2020;5(7):371-9. https://doi.org/10.1302/2058-5241.5.190023

7. Panchal HB, Bismil Q, Malhan K. Discoid meniscus: a review of the literature. Curr Rev Musculoskelet Med 2020;13(5):633-41. https://doi.org/10.1007/s12178-020-09653-4

8. Kim SJ, Kim HK, Lee YS, Chun YM. Symptomatic discoid meniscus in children: assessment of the mechanical axis of the lower extremity and a novel MRI classification based on stability. Knee Surg Sports Traumatol Arthrosc
2020;28(3):869-76. https://doi.org/10.1007/s00167-019-05587-8

9. Yoo WJ, Jang WY, Park MS, Chung CY, Cheon JE, Cho TJ, et al. Arthroscopic treatment for symptomatic discoid
meniscus in children: Midterm outcomes and prognostic factors. Arthroscopy 2015;31(12):2327-34. https://doi.org/10.1016/j.arthro.2015.06.032

10. Yamasaki S, Hashimoto Y, Takigami J, Terai S, Takahashi S, Nakamura H. Risk factors associated with knee joint
degeneration after arthroscopic reshaping for juvenile discoid lateral meniscus. Am J Sports Med 2017;45(3):570-7. https://doi.org/10.1177/0363546516677077