link
Bookmarks
Discoid Meniscus
Christopher G. Anton, MD
To access 4,300 diagnoses written by the world's leading experts in radiology, please log in or subscribe.Log inSubscribe
0
11
6
0

KEY FACTS

  • Imaging

    • Pathology

      • Clinical Issues

        TERMINOLOGY

        • Definitions

          • Large, congenitally dysplastic meniscus with loss of normal semilunar shape

        IMAGING

        • General Features

          • Radiographic Findings

            • MR Findings

              • Imaging Recommendations

                DIFFERENTIAL DIAGNOSIS

                  PATHOLOGY

                  • General Features

                    • Staging, Grading, & Classification

                      • Gross Pathologic & Surgical Features

                        CLINICAL ISSUES

                        • Presentation

                          • Demographics

                            • Natural History & Prognosis

                              • Treatment

                                DIAGNOSTIC CHECKLIST

                                • Consider

                                  • Image Interpretation Pearls

                                    Selected References

                                    1. Kushare I et al: Discoid meniscus: diagnosis and management. Orthop Clin North Am. 46(4):533-40, 2015
                                    2. Song JG et al: Radiographic evaluation of complete and incomplete discoid lateral meniscus. Knee. 22(3):163-8, 2015
                                    3. Stein MI et al: Regeneration of a discoid meniscus after arthroscopic saucerization. Am J Orthop (Belle Mead NJ). 42(1):E5-8, 2013
                                    4. Yoo WJ et al: Meniscal morphologic changes on magnetic resonance imaging are associated with symptomatic discoid lateral meniscal tear in children. Arthroscopy. 28(3):330-6, 2012
                                    5. Ozcanli H et al: Relation of discoid lateral meniscus and cord-like anterior intermeniscal ligament: morphological and clinical study. Surg Radiol Anat. 33(8):673-8, 2011
                                    6. Wasser L et al: Arthroscopic treatment of discoid meniscus in children: Clinical and MRI results. Orthop Traumatol Surg Res. 97(3):297-303, 2011
                                    7. Ha CW et al: The condylar cutoff sign: quantifying lateral femoral condylar hypoplasia in a complete discoid meniscus. Clin Orthop Relat Res. 467(5):1365-9, 2009
                                    8. Kramer DE et al: Meniscal tears and discoid meniscus in children: diagnosis and treatment. J Am Acad Orthop Surg. 17(11):698-707, 2009
                                    9. Ahn JH et al: Arthroscopic partial meniscectomy with repair of the peripheral tear for symptomatic discoid lateral meniscus in children: results of minimum 2 years of follow-up. Arthroscopy. 24(8):888-98, 2008
                                    10. Yaniv M et al: The discoid meniscus. J Child Orthop. 1(2):89-96, 2007
                                    11. Singh K et al: MRI appearance of Wrisberg variant of discoid lateral meniscus. AJR Am J Roentgenol. 187(2):384-7, 2006
                                    12. Klingele KE et al: Discoid lateral meniscus: prevalence of peripheral rim instability. J Pediatr Orthop. 24(1):79-82, 2004
                                    13. Youm T et al: Discoid lateral meniscus: evaluation and treatment. Am J Orthop. 33(5):234-8, 2004
                                    14. Samoto N et al: Diagnosis of discoid lateral meniscus of the knee on MR imaging. Magn Reson Imaging. 20(1):59-64, 2002
                                    15. Ahn JH et al: Discoid lateral meniscus in children: clinical manifestations and morphology. J Pediatr Orthop. 21(6):812-6, 2001
                                    16. Rohren EM et al: Discoid lateral meniscus and the frequency of meniscal tears. Skeletal Radiol. 30(6):316-20, 2001
                                    17. Connolly B et al: Discoid meniscus in children: magnetic resonance imaging characteristics. Can Assoc Radiol J. 47(5):347-54, 1996
                                    18. Auge WK 2nd et al: Bilateral discoid medial menisci with extensive intrasubstance cleavage tears: MRI and arthroscopic correlation. Arthroscopy. 10(3):313-8, 1994
                                    19. Silverman JM et al: Discoid menisci of the knee: MR imaging appearance. Radiology. 173(2):351-4, 1989
                                    Related Anatomy
                                    Loading...
                                    Related Differential Diagnoses
                                    Loading...
                                    References
                                    Tables

                                    Tables

                                    KEY FACTS

                                    • Imaging

                                      • Pathology

                                        • Clinical Issues

                                          TERMINOLOGY

                                          • Definitions

                                            • Large, congenitally dysplastic meniscus with loss of normal semilunar shape

                                          IMAGING

                                          • General Features

                                            • Radiographic Findings

                                              • MR Findings

                                                • Imaging Recommendations

                                                  DIFFERENTIAL DIAGNOSIS

                                                    PATHOLOGY

                                                    • General Features

                                                      • Staging, Grading, & Classification

                                                        • Gross Pathologic & Surgical Features

                                                          CLINICAL ISSUES

                                                          • Presentation

                                                            • Demographics

                                                              • Natural History & Prognosis

                                                                • Treatment

                                                                  DIAGNOSTIC CHECKLIST

                                                                  • Consider

                                                                    • Image Interpretation Pearls

                                                                      Selected References

                                                                      1. Kushare I et al: Discoid meniscus: diagnosis and management. Orthop Clin North Am. 46(4):533-40, 2015
                                                                      2. Song JG et al: Radiographic evaluation of complete and incomplete discoid lateral meniscus. Knee. 22(3):163-8, 2015
                                                                      3. Stein MI et al: Regeneration of a discoid meniscus after arthroscopic saucerization. Am J Orthop (Belle Mead NJ). 42(1):E5-8, 2013
                                                                      4. Yoo WJ et al: Meniscal morphologic changes on magnetic resonance imaging are associated with symptomatic discoid lateral meniscal tear in children. Arthroscopy. 28(3):330-6, 2012
                                                                      5. Ozcanli H et al: Relation of discoid lateral meniscus and cord-like anterior intermeniscal ligament: morphological and clinical study. Surg Radiol Anat. 33(8):673-8, 2011
                                                                      6. Wasser L et al: Arthroscopic treatment of discoid meniscus in children: Clinical and MRI results. Orthop Traumatol Surg Res. 97(3):297-303, 2011
                                                                      7. Ha CW et al: The condylar cutoff sign: quantifying lateral femoral condylar hypoplasia in a complete discoid meniscus. Clin Orthop Relat Res. 467(5):1365-9, 2009
                                                                      8. Kramer DE et al: Meniscal tears and discoid meniscus in children: diagnosis and treatment. J Am Acad Orthop Surg. 17(11):698-707, 2009
                                                                      9. Ahn JH et al: Arthroscopic partial meniscectomy with repair of the peripheral tear for symptomatic discoid lateral meniscus in children: results of minimum 2 years of follow-up. Arthroscopy. 24(8):888-98, 2008
                                                                      10. Yaniv M et al: The discoid meniscus. J Child Orthop. 1(2):89-96, 2007
                                                                      11. Singh K et al: MRI appearance of Wrisberg variant of discoid lateral meniscus. AJR Am J Roentgenol. 187(2):384-7, 2006
                                                                      12. Klingele KE et al: Discoid lateral meniscus: prevalence of peripheral rim instability. J Pediatr Orthop. 24(1):79-82, 2004
                                                                      13. Youm T et al: Discoid lateral meniscus: evaluation and treatment. Am J Orthop. 33(5):234-8, 2004
                                                                      14. Samoto N et al: Diagnosis of discoid lateral meniscus of the knee on MR imaging. Magn Reson Imaging. 20(1):59-64, 2002
                                                                      15. Ahn JH et al: Discoid lateral meniscus in children: clinical manifestations and morphology. J Pediatr Orthop. 21(6):812-6, 2001
                                                                      16. Rohren EM et al: Discoid lateral meniscus and the frequency of meniscal tears. Skeletal Radiol. 30(6):316-20, 2001
                                                                      17. Connolly B et al: Discoid meniscus in children: magnetic resonance imaging characteristics. Can Assoc Radiol J. 47(5):347-54, 1996
                                                                      18. Auge WK 2nd et al: Bilateral discoid medial menisci with extensive intrasubstance cleavage tears: MRI and arthroscopic correlation. Arthroscopy. 10(3):313-8, 1994
                                                                      19. Silverman JM et al: Discoid menisci of the knee: MR imaging appearance. Radiology. 173(2):351-4, 1989