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Popliteomeniscal Fascicles
Andrew Sonin, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            TERMINOLOGY

            • Synonyms

              • Lateral meniscal struts, hypermobile lateral meniscus
            • Definitions

              • Thin bands of connective tissue running between posterior horn of lateral meniscus and lateral joint capsule

            IMAGING

            • General Features

              • Radiographic Findings

                • CT Findings

                  • MR Findings

                    • Imaging Recommendations

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Staging, Grading, & Classification

                            CLINICAL ISSUES

                            • Presentation

                              • Demographics

                                • Treatment

                                  DIAGNOSTIC CHECKLIST

                                  • Consider

                                    • Image Interpretation Pearls

                                      Selected References

                                      1. Camarillo M et al: Popliteomeniscal fascicle tears. Orthopedics. 37(3):187-90, 2014
                                      2. Park JH et al: Snapping knee caused by a popliteomeniscal fascicle tear of the lateral meniscus in a professional Taekwondo athlete. Orthopedics. 35(7):e1104-7, 2012
                                      3. Shin HK et al: Popliteomeniscal fascicle tear: diagnosis and operative technique. Arthrosc Tech. 1(1):e101-6, 2012
                                      4. Suganuma J et al: Magnetic resonance imaging and arthroscopic findings of the popliteomeniscal fascicles with and without recurrent subluxation of the lateral meniscus. Arthroscopy. 28(4):507-16, 2012
                                      5. Laundre BJ et al: MRI accuracy for tears of the posterior horn of the lateral meniscus in patients with acute anterior cruciate ligament injury and the clinical relevance of missed tears. AJR Am J Roentgenol. 193(2):515-23, 2009
                                      6. Peduto AJ et al: Popliteomeniscal fascicles: anatomic considerations using MR arthrography in cadavers. AJR Am J Roentgenol. 190(2):442-8, 2008
                                      7. Diamantopoulos A et al: The posterolateral corner of the knee: evaluation under microsurgical dissection. Arthroscopy. 21(7):826-33, 2005
                                      8. LaPrade RF et al: Popliteomeniscal fascicle tears causing symptomatic lateral compartment knee pain: diagnosis by the figure-4 test and treatment by open repair. Am J Sports Med. 33(8):1231-6, 2005
                                      9. Munshi M et al: MR imaging, MR arthrography, and specimen correlation of the posterolateral corner of the knee: an anatomic study. AJR Am J Roentgenol. 180(4):1095-101, 2003
                                      10. Blankenbaker DG et al: Usefulness of two indirect MR imaging signs to diagnose lateral meniscal tears. AJR Am J Roentgenol. 178(3):579-82, 2002
                                      11. De Smet AA et al: Abnormal superior popliteomeniscal fascicle and posterior pericapsular edema: indirect MR imaging signs of a lateral meniscal tear. AJR Am J Roentgenol. 176(1):63-6, 2001
                                      12. Johnson RL et al: MR visualization of the popliteomeniscal fascicles. Skeletal Radiol. 28(10):561-6, 1999
                                      13. LaPrade RF: Arthroscopic evaluation of the lateral compartment of knees with grade 3 posterolateral knee complex injuries. Am J Sports Med. 25(5):596-602, 1997
                                      14. Pavlov H et al: The popliteus bursa: an indicator of subtle pathology. AJR Am J Roentgenol. 134(2):313-21, 1980
                                      Related Anatomy
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                                      Related Differential Diagnoses
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                                      References
                                      Tables

                                      Tables

                                      KEY FACTS

                                      • Terminology

                                        • Imaging

                                          • Top Differential Diagnoses

                                            • Pathology

                                              • Clinical Issues

                                                TERMINOLOGY

                                                • Synonyms

                                                  • Lateral meniscal struts, hypermobile lateral meniscus
                                                • Definitions

                                                  • Thin bands of connective tissue running between posterior horn of lateral meniscus and lateral joint capsule

                                                IMAGING

                                                • General Features

                                                  • Radiographic Findings

                                                    • CT Findings

                                                      • MR Findings

                                                        • Imaging Recommendations

                                                          DIFFERENTIAL DIAGNOSIS

                                                            PATHOLOGY

                                                            • General Features

                                                              • Staging, Grading, & Classification

                                                                CLINICAL ISSUES

                                                                • Presentation

                                                                  • Demographics

                                                                    • Treatment

                                                                      DIAGNOSTIC CHECKLIST

                                                                      • Consider

                                                                        • Image Interpretation Pearls

                                                                          Selected References

                                                                          1. Camarillo M et al: Popliteomeniscal fascicle tears. Orthopedics. 37(3):187-90, 2014
                                                                          2. Park JH et al: Snapping knee caused by a popliteomeniscal fascicle tear of the lateral meniscus in a professional Taekwondo athlete. Orthopedics. 35(7):e1104-7, 2012
                                                                          3. Shin HK et al: Popliteomeniscal fascicle tear: diagnosis and operative technique. Arthrosc Tech. 1(1):e101-6, 2012
                                                                          4. Suganuma J et al: Magnetic resonance imaging and arthroscopic findings of the popliteomeniscal fascicles with and without recurrent subluxation of the lateral meniscus. Arthroscopy. 28(4):507-16, 2012
                                                                          5. Laundre BJ et al: MRI accuracy for tears of the posterior horn of the lateral meniscus in patients with acute anterior cruciate ligament injury and the clinical relevance of missed tears. AJR Am J Roentgenol. 193(2):515-23, 2009
                                                                          6. Peduto AJ et al: Popliteomeniscal fascicles: anatomic considerations using MR arthrography in cadavers. AJR Am J Roentgenol. 190(2):442-8, 2008
                                                                          7. Diamantopoulos A et al: The posterolateral corner of the knee: evaluation under microsurgical dissection. Arthroscopy. 21(7):826-33, 2005
                                                                          8. LaPrade RF et al: Popliteomeniscal fascicle tears causing symptomatic lateral compartment knee pain: diagnosis by the figure-4 test and treatment by open repair. Am J Sports Med. 33(8):1231-6, 2005
                                                                          9. Munshi M et al: MR imaging, MR arthrography, and specimen correlation of the posterolateral corner of the knee: an anatomic study. AJR Am J Roentgenol. 180(4):1095-101, 2003
                                                                          10. Blankenbaker DG et al: Usefulness of two indirect MR imaging signs to diagnose lateral meniscal tears. AJR Am J Roentgenol. 178(3):579-82, 2002
                                                                          11. De Smet AA et al: Abnormal superior popliteomeniscal fascicle and posterior pericapsular edema: indirect MR imaging signs of a lateral meniscal tear. AJR Am J Roentgenol. 176(1):63-6, 2001
                                                                          12. Johnson RL et al: MR visualization of the popliteomeniscal fascicles. Skeletal Radiol. 28(10):561-6, 1999
                                                                          13. LaPrade RF: Arthroscopic evaluation of the lateral compartment of knees with grade 3 posterolateral knee complex injuries. Am J Sports Med. 25(5):596-602, 1997
                                                                          14. Pavlov H et al: The popliteus bursa: an indicator of subtle pathology. AJR Am J Roentgenol. 134(2):313-21, 1980