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Musculoskeletal
Diagnosis
Trauma
Knee
Menisci
Parameniscal Cyst
Parameniscal Cyst
Donna G. Blankenbaker, MD, FACR; Andrew Sonin, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Pathology

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Synonyms

              • Meniscal cyst

            • Definitions

              • Fluid-filled cyst adjacent to, and usually arising from, periphery of meniscus

            IMAGING

            • General Features

              • Radiographic Findings

                • CT Findings

                  • MR Findings

                    • Ultrasonographic Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            CLINICAL ISSUES

                            • Presentation

                              • Demographics

                                • Natural History & Prognosis

                                  • Treatment

                                    DIAGNOSTIC CHECKLIST

                                    • Consider

                                      • Image Interpretation Pearls

                                        • Reporting Tips

                                          Selected References

                                          1. Nishino K et al: Incidence and risk factors for meniscal cyst after meniscal repair. Arthroscopy. 35(4):1222-9, 2019
                                          2. England E et al: Cysts of the anterior horn lateral meniscus and the ACL: is there a relationship? Skeletal Radiol. 44(3):369-73, 2015
                                          3. Botchu R et al: Parameniscal cyst - a rare cause of popliteal artery compression: treatment with ultrasound-guided decompression. West Indian Med J. 64(2), 2014
                                          4. Kumar NS et al: Is formal decompression necessary for parameniscal cysts associated with meniscal tears? Knee. 21(2):501-3, 2014
                                          5. Nguyen JC et al: MR imaging-based diagnosis and classification of meniscal tears. Radiographics. 34(4):981-99, 2014
                                          6. O'Laughlin SJ et al: Tear of the lateral meniscus with an associated parameniscal cyst. J Orthop Sports Phys Ther. 44(8):633, 2014
                                          7. Kose O et al: A giant medial parameniscal cyst of the knee joint. BMJ Case Rep. 2013, 2013
                                          8. Wu CC et al: Parameniscal cyst formation in the knee is associated with meniscal tear size: an MRI study. Knee. 20(6):556-61, 2013
                                          9. De Smet AA et al: Association of parameniscal cysts with underlying meniscal tears as identified on MRI and arthroscopy. AJR Am J Roentgenol. 196(2):W180-6, 2011
                                          10. Anderson JJ et al: New observations on meniscal cysts. Skeletal Radiol. 39(12):1187-91, 2010
                                          11. Chang A: Imaging-guided treatment of meniscal cysts. HSS J. 5(1):58-60, 2009
                                          12. Pinar H et al: A contribution to Pisani's sign for diagnosing lateral meniscal cysts: a technical report. Knee Surg Sports Traumatol Arthrosc. 17(4):402-4, 2009
                                          13. Al-Khateeb H et al: Lateral meniscal cyst producing lesion of the tibial plateau and literature review. Int J Surg. 6(5):412-4, 2008
                                          14. Jowett AJ et al: Lateral meniscal cyst causing common peroneal palsy. Skeletal Radiol. 37(4):351-5, 2008
                                          15. Marra MD et al: MRI features of cystic lesions around the knee. Knee. 15(6):423-38, 2008
                                          16. Yoo JH et al: Parameniscal cyst formation after arthroscopic meniscal repair with biodegradable meniscal arrow: a case report. Knee Surg Sports Traumatol Arthrosc. 16(9):815-7, 2008
                                          17. Howe TS et al: Arthroscopic internal marsupialization of meniscal cysts. Knee. 14(5):408-10, 2007
                                          18. Macmahon PJ et al: Ultrasound-guided percutaneous drainage of meniscal cysts: preliminary clinical experience. Clin Radiol. 62(7):683-7, 2007
                                          19. Roidis N et al: Tumor-like meniscal cyst. Arthroscopy. 23(1):111, 2007
                                          20. Sorrentino F et al: High-resolution ultrasonography (HRUS) of the meniscal cyst of the knee: our experience. Radiol Med. 112(5):732-9, 2007
                                          21. Lu KH: Arthroscopic meniscal repair and needle aspiration for meniscal tear with meniscal cyst. Arthroscopy. 22(12):1367, 2006
                                          22. Hulet C et al: Arthroscopic treatment of 105 lateral meniscal cysts with 5-year average follow-up. Arthroscopy. 20(8):831-6, 2004
                                          23. McCarthy CL et al: The MRI appearance of cystic lesions around the knee. Skeletal Radiol. 33(4):187-209, 2004
                                          24. Mountney J et al: When is a meniscal cyst not a meniscal cyst? Knee. 11(2):133-6, 2004
                                          25. Nagura I et al: Generation of meniscal cyst after arthroscopic meniscal repair. Arthroscopy. 20(8):869-71, 2004
                                          26. Kocher MS et al: Meniscal disorders: normal, discoid, and cysts. Orthop Clin North Am. 34(3):329-40, 2003
                                          27. Tschirch FT et al: Prevalence and size of meniscal cysts, ganglionic cysts, synovial cysts of the popliteal space, fluid-filled bursae, and other fluid collections in asymptomatic knees on MR imaging. AJR Am J Roentgenol. 180(5):1431-6, 2003
                                          28. Lu KH: An unusual case of meniscal hematoma mimicking a medial meniscal cyst. Arthroscopy. 18(5):E22, 2002
                                          29. Campbell SE et al: MR imaging of meniscal cysts: incidence, location, and clinical significance. AJR Am J Roentgenol. 177(2):409-13, 2001
                                          30. De Maeseneer M et al: MR imaging of meniscal cysts: evaluation of location and extension using a three-layer approach. Eur J Radiol. 39(2):117-24, 2001
                                          Related Anatomy
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                                          Related Differential Diagnoses
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                                          References
                                          Tables

                                          Tables

                                          KEY FACTS

                                          • Terminology

                                            • Imaging

                                              • Pathology

                                                • Clinical Issues

                                                  • Diagnostic Checklist

                                                    TERMINOLOGY

                                                    • Synonyms

                                                      • Meniscal cyst

                                                    • Definitions

                                                      • Fluid-filled cyst adjacent to, and usually arising from, periphery of meniscus

                                                    IMAGING

                                                    • General Features

                                                      • Radiographic Findings

                                                        • CT Findings

                                                          • MR Findings

                                                            • Ultrasonographic Findings

                                                              • Imaging Recommendations

                                                                DIFFERENTIAL DIAGNOSIS

                                                                  PATHOLOGY

                                                                  • General Features

                                                                    CLINICAL ISSUES

                                                                    • Presentation

                                                                      • Demographics

                                                                        • Natural History & Prognosis

                                                                          • Treatment

                                                                            DIAGNOSTIC CHECKLIST

                                                                            • Consider

                                                                              • Image Interpretation Pearls

                                                                                • Reporting Tips

                                                                                  Selected References

                                                                                  1. Nishino K et al: Incidence and risk factors for meniscal cyst after meniscal repair. Arthroscopy. 35(4):1222-9, 2019
                                                                                  2. England E et al: Cysts of the anterior horn lateral meniscus and the ACL: is there a relationship? Skeletal Radiol. 44(3):369-73, 2015
                                                                                  3. Botchu R et al: Parameniscal cyst - a rare cause of popliteal artery compression: treatment with ultrasound-guided decompression. West Indian Med J. 64(2), 2014
                                                                                  4. Kumar NS et al: Is formal decompression necessary for parameniscal cysts associated with meniscal tears? Knee. 21(2):501-3, 2014
                                                                                  5. Nguyen JC et al: MR imaging-based diagnosis and classification of meniscal tears. Radiographics. 34(4):981-99, 2014
                                                                                  6. O'Laughlin SJ et al: Tear of the lateral meniscus with an associated parameniscal cyst. J Orthop Sports Phys Ther. 44(8):633, 2014
                                                                                  7. Kose O et al: A giant medial parameniscal cyst of the knee joint. BMJ Case Rep. 2013, 2013
                                                                                  8. Wu CC et al: Parameniscal cyst formation in the knee is associated with meniscal tear size: an MRI study. Knee. 20(6):556-61, 2013
                                                                                  9. De Smet AA et al: Association of parameniscal cysts with underlying meniscal tears as identified on MRI and arthroscopy. AJR Am J Roentgenol. 196(2):W180-6, 2011
                                                                                  10. Anderson JJ et al: New observations on meniscal cysts. Skeletal Radiol. 39(12):1187-91, 2010
                                                                                  11. Chang A: Imaging-guided treatment of meniscal cysts. HSS J. 5(1):58-60, 2009
                                                                                  12. Pinar H et al: A contribution to Pisani's sign for diagnosing lateral meniscal cysts: a technical report. Knee Surg Sports Traumatol Arthrosc. 17(4):402-4, 2009
                                                                                  13. Al-Khateeb H et al: Lateral meniscal cyst producing lesion of the tibial plateau and literature review. Int J Surg. 6(5):412-4, 2008
                                                                                  14. Jowett AJ et al: Lateral meniscal cyst causing common peroneal palsy. Skeletal Radiol. 37(4):351-5, 2008
                                                                                  15. Marra MD et al: MRI features of cystic lesions around the knee. Knee. 15(6):423-38, 2008
                                                                                  16. Yoo JH et al: Parameniscal cyst formation after arthroscopic meniscal repair with biodegradable meniscal arrow: a case report. Knee Surg Sports Traumatol Arthrosc. 16(9):815-7, 2008
                                                                                  17. Howe TS et al: Arthroscopic internal marsupialization of meniscal cysts. Knee. 14(5):408-10, 2007
                                                                                  18. Macmahon PJ et al: Ultrasound-guided percutaneous drainage of meniscal cysts: preliminary clinical experience. Clin Radiol. 62(7):683-7, 2007
                                                                                  19. Roidis N et al: Tumor-like meniscal cyst. Arthroscopy. 23(1):111, 2007
                                                                                  20. Sorrentino F et al: High-resolution ultrasonography (HRUS) of the meniscal cyst of the knee: our experience. Radiol Med. 112(5):732-9, 2007
                                                                                  21. Lu KH: Arthroscopic meniscal repair and needle aspiration for meniscal tear with meniscal cyst. Arthroscopy. 22(12):1367, 2006
                                                                                  22. Hulet C et al: Arthroscopic treatment of 105 lateral meniscal cysts with 5-year average follow-up. Arthroscopy. 20(8):831-6, 2004
                                                                                  23. McCarthy CL et al: The MRI appearance of cystic lesions around the knee. Skeletal Radiol. 33(4):187-209, 2004
                                                                                  24. Mountney J et al: When is a meniscal cyst not a meniscal cyst? Knee. 11(2):133-6, 2004
                                                                                  25. Nagura I et al: Generation of meniscal cyst after arthroscopic meniscal repair. Arthroscopy. 20(8):869-71, 2004
                                                                                  26. Kocher MS et al: Meniscal disorders: normal, discoid, and cysts. Orthop Clin North Am. 34(3):329-40, 2003
                                                                                  27. Tschirch FT et al: Prevalence and size of meniscal cysts, ganglionic cysts, synovial cysts of the popliteal space, fluid-filled bursae, and other fluid collections in asymptomatic knees on MR imaging. AJR Am J Roentgenol. 180(5):1431-6, 2003
                                                                                  28. Lu KH: An unusual case of meniscal hematoma mimicking a medial meniscal cyst. Arthroscopy. 18(5):E22, 2002
                                                                                  29. Campbell SE et al: MR imaging of meniscal cysts: incidence, location, and clinical significance. AJR Am J Roentgenol. 177(2):409-13, 2001
                                                                                  30. De Maeseneer M et al: MR imaging of meniscal cysts: evaluation of location and extension using a three-layer approach. Eur J Radiol. 39(2):117-24, 2001