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Synovial Fringe, Elbow
Kirkland W. Davis, MD, FACR; Andrew Sonin, MD, FACR; Donna G. Blankenbaker, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Synonyms

                • Synovial fold, synovial plica, synovial shelf, radiocapitellar meniscus
              • Definitions

                • Focal band of synovial tissue in posterolateral aspect of radiocapitellar articulation
                • Synovial fold/fringe syndrome (SFS) = symptomatic synovial fold due to repetitive motion, entrapment between radial head and capitellum

              IMAGING

              • General Features

                • MR Findings

                  • Ultrasonographic Findings

                    • Imaging Recommendations

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Gross Pathologic & Surgical Features

                            • Microscopic Features

                              CLINICAL ISSUES

                              • Presentation

                                • Demographics

                                  • Natural History & Prognosis

                                    • Treatment

                                      DIAGNOSTIC CHECKLIST

                                      • Consider

                                        • Reporting Tips

                                          Selected References

                                          1. Wong JS et al: Plicae: Where do they come from and when are they relevant? Semin Musculoskelet Radiol. 23(5):547-68, 2019
                                          2. Feller RJ et al: Snapping at the lateral aspect of the elbow: a case report and review of the literature. JBJS Case Connect. 8(3):e48, 2018
                                          3. Cerezal L et al: Elbow synovial fold syndrome. AJR Am J Roentgenol. 201(1):W88-96, 2013
                                          4. Ruiz de Luzuriaga BC et al: Elbow MR imaging findings in patients with synovial fringe syndrome. Skeletal Radiol. 42(5):675-80, 2013
                                          5. Steinert AF et al: Snapping elbow caused by hypertrophic synovial plica in the radiohumeral joint: a report of three cases and review of literature. Arch Orthop Trauma Surg. 130(3):347-51, 2010
                                          6. Fukase N et al: Usefulness of MRI for diagnosis of painful snapping elbow. Skeletal Radiol. 35(10):797-800, 2006
                                          7. Kim DH et al: Arthroscopic treatment of posterolateral elbow impingement from lateral synovial plicae in throwing athletes and golfers. Am J Sports Med. 34(3):438-44, 2006
                                          8. Ruch DS et al: The posterolateral plica: a cause of refractory lateral elbow pain. J Shoulder Elbow Surg. 15(3):367-70, 2006
                                          9. Antuna SA et al: Snapping plicae associated with radiocapitellar chondromalacia. Arthroscopy. 17(5):491-5, 2001
                                          10. Awaya H et al: Elbow synovial fold syndrome: MR imaging findings. AJR Am J Roentgenol. 177(6):1377-81, 2001
                                          11. Clarke RP: Symptomatic, lateral synovial fringe (plica) of the elbow joint. Arthroscopy. 4(2):112-6, 1988
                                          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

                                                    • Diagnostic Checklist

                                                      TERMINOLOGY

                                                      • Synonyms

                                                        • Synovial fold, synovial plica, synovial shelf, radiocapitellar meniscus
                                                      • Definitions

                                                        • Focal band of synovial tissue in posterolateral aspect of radiocapitellar articulation
                                                        • Synovial fold/fringe syndrome (SFS) = symptomatic synovial fold due to repetitive motion, entrapment between radial head and capitellum

                                                      IMAGING

                                                      • General Features

                                                        • MR Findings

                                                          • Ultrasonographic Findings

                                                            • Imaging Recommendations

                                                              DIFFERENTIAL DIAGNOSIS

                                                                PATHOLOGY

                                                                • General Features

                                                                  • Gross Pathologic & Surgical Features

                                                                    • Microscopic Features

                                                                      CLINICAL ISSUES

                                                                      • Presentation

                                                                        • Demographics

                                                                          • Natural History & Prognosis

                                                                            • Treatment

                                                                              DIAGNOSTIC CHECKLIST

                                                                              • Consider

                                                                                • Reporting Tips

                                                                                  Selected References

                                                                                  1. Wong JS et al: Plicae: Where do they come from and when are they relevant? Semin Musculoskelet Radiol. 23(5):547-68, 2019
                                                                                  2. Feller RJ et al: Snapping at the lateral aspect of the elbow: a case report and review of the literature. JBJS Case Connect. 8(3):e48, 2018
                                                                                  3. Cerezal L et al: Elbow synovial fold syndrome. AJR Am J Roentgenol. 201(1):W88-96, 2013
                                                                                  4. Ruiz de Luzuriaga BC et al: Elbow MR imaging findings in patients with synovial fringe syndrome. Skeletal Radiol. 42(5):675-80, 2013
                                                                                  5. Steinert AF et al: Snapping elbow caused by hypertrophic synovial plica in the radiohumeral joint: a report of three cases and review of literature. Arch Orthop Trauma Surg. 130(3):347-51, 2010
                                                                                  6. Fukase N et al: Usefulness of MRI for diagnosis of painful snapping elbow. Skeletal Radiol. 35(10):797-800, 2006
                                                                                  7. Kim DH et al: Arthroscopic treatment of posterolateral elbow impingement from lateral synovial plicae in throwing athletes and golfers. Am J Sports Med. 34(3):438-44, 2006
                                                                                  8. Ruch DS et al: The posterolateral plica: a cause of refractory lateral elbow pain. J Shoulder Elbow Surg. 15(3):367-70, 2006
                                                                                  9. Antuna SA et al: Snapping plicae associated with radiocapitellar chondromalacia. Arthroscopy. 17(5):491-5, 2001
                                                                                  10. Awaya H et al: Elbow synovial fold syndrome: MR imaging findings. AJR Am J Roentgenol. 177(6):1377-81, 2001
                                                                                  11. Clarke RP: Symptomatic, lateral synovial fringe (plica) of the elbow joint. Arthroscopy. 4(2):112-6, 1988