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Suprascapular and Spinoglenoid Notch Cysts
Michael J. Tuite, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            TERMINOLOGY

            • Synonyms

              • Paralabral cyst, glenoid labral cyst, periglenoidal ganglion cyst
            • Definitions

              • Cystic mass in spinoglenoid notch ± extension into suprascapular notch

            IMAGING

            • General Features

              • Radiographic Findings

                • MR Findings

                  • Ultrasonographic 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

                                          • Reporting Tips

                                            Selected References

                                            1. Gupta R et al: Arthroscopic decompression of paralabral cyst around suprascapular notch causing suprascapular neuropathy. J Clin Orthop Trauma. 6(3):184-6, 2015
                                            2. Shon MS et al: Arthroscopic all-intra-articular decompression and labral repair of paralabral cyst in the shoulder. J Shoulder Elbow Surg. 24(1):e7-e14, 2015
                                            3. Park JH et al: Effective arthroscopic treatment of large, anteriorly extended spinoglenoid cysts. Arch Orthop Trauma Surg. 130(3):423-6, 2010
                                            4. Tashjian RZ et al: Arthroscopic aspiration and labral repair for treatment of spinoglenoid notch cysts. Am J Orthop (Belle Mead NJ). 38(2):94-6, 2009
                                            5. Schroder CP et al: Treatment of labral tears with associated spinoglenoid cysts without cyst decompression. J Bone Joint Surg Am. 90(3):523-30, 2008
                                            6. Semmler A et al: Suprascapular nerve entrapment by a spinoglenoid cyst. Neurology. 70(11):890, 2008
                                            7. Davidge CM et al: Spontaneous resolution of a spinoglenoid notch cyst and associated suprascapular nerve palsy: a case report. J Shoulder Elbow Surg. 16(3):e4-7, 2007
                                            8. Lee BC et al: Suprascapular nerve neuropathy secondary to spinoglenoid notch ganglion cyst: case reports and review of literature. Ann Acad Med Singapore. 36(12):1032-5, 2007
                                            9. Werner CM et al: Combined intra- and extra-articular arthroscopic treatment of entrapment neuropathy of the infraspinatus branches of the suprascapular nerve caused by a periglenoidal ganglion cyst. Arthroscopy. 23(3):328, 2007
                                            10. Baums MH et al: Treatment option in a SLAP-related ganglion cyst resulting in suprascapular nerve entrapment. Arch Orthop Trauma Surg. 126(9):621-3, 2006
                                            11. Westerheide KJ et al: Suprascapular nerve palsy secondary to spinoglenoid cysts: results of arthroscopic treatment. Arthroscopy. 22(7):721-7, 2006
                                            12. Youm T et al: Treatment of patients with spinoglenoid cysts associated with superior labral tears without cyst aspiration, debridement, or excision. Arthroscopy. 22(5):548-52, 2006
                                            13. Chen AL et al: Arthroscopic management of spinoglenoid cysts associated with SLAP lesions and suprascapular neuropathy. Arthroscopy. 19(6):E15-21, 2003
                                            14. Mellado JM et al: Fluid collections and juxta-articular cystic lesions of the shoulder: spectrum of MRI findings. Eur Radiol. 12(3):650-9, 2002
                                            15. Piatt BE et al: Clinical evaluation and treatment of spinoglenoid notch ganglion cysts. J Shoulder Elbow Surg. 11(6):600-4, 2002
                                            16. Ludig T et al: MR imaging evaluation of suprascapular nerve entrapment. Eur Radiol. 11(11):2161-9, 2001
                                            17. Tung GA et al: MR imaging and MR arthrography of paraglenoid labral cysts. AJR Am J Roentgenol. 174(6):1707-15, 2000
                                            18. Bredella MA et al: Denervation syndromes of the shoulder girdle: MR imaging with electrophysiologic correlation. Skeletal Radiol. 28(10):567-72, 1999
                                            19. Sanders TG et al: Paralabral cyst: an unusual cause of quadrilateral space syndrome. Arthroscopy. 15(6):632-7, 1999
                                            20. Sheets J et al: Aunt Minnie's Corner. Superior labral tear with associated paralabral cyst in the spinoglenoid notch, and infraspinatus denervation myositis. J Comput Assist Tomogr. 23(1):167, 1999
                                            21. Van Zandijcke M et al: Suprascapular nerve entrapment at the spinoglenoid notch due to a ganglion cyst. J Neurol Neurosurg Psychiatry. 66(2):245, 1999
                                            22. Rachbauer F et al: Suprascapular nerve entrapment at the spinoglenoid notch caused by a ganglion cyst. J Shoulder Elbow Surg. 5(2 Pt 1):150-2, 1996
                                            23. Sjödén GO et al: Spinoglenoid bone cyst causing suprascapular nerve compression. J Shoulder Elbow Surg. 5(2 Pt 1):147-9, 1996
                                            24. Skirving AP et al: Infraspinatus paralysis due to spinoglenoid notch ganglion. J Bone Joint Surg Br. 76(4):588-91, 1994
                                            25. Tirman PF et al: Association of glenoid labral cysts with labral tears and glenohumeral instability: radiologic findings and clinical significance. Radiology. 190(3):653-8, 1994
                                            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

                                                        • Paralabral cyst, glenoid labral cyst, periglenoidal ganglion cyst
                                                      • Definitions

                                                        • Cystic mass in spinoglenoid notch ± extension into suprascapular notch

                                                      IMAGING

                                                      • General Features

                                                        • Radiographic Findings

                                                          • MR Findings

                                                            • Ultrasonographic 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

                                                                                    • Reporting Tips

                                                                                      Selected References

                                                                                      1. Gupta R et al: Arthroscopic decompression of paralabral cyst around suprascapular notch causing suprascapular neuropathy. J Clin Orthop Trauma. 6(3):184-6, 2015
                                                                                      2. Shon MS et al: Arthroscopic all-intra-articular decompression and labral repair of paralabral cyst in the shoulder. J Shoulder Elbow Surg. 24(1):e7-e14, 2015
                                                                                      3. Park JH et al: Effective arthroscopic treatment of large, anteriorly extended spinoglenoid cysts. Arch Orthop Trauma Surg. 130(3):423-6, 2010
                                                                                      4. Tashjian RZ et al: Arthroscopic aspiration and labral repair for treatment of spinoglenoid notch cysts. Am J Orthop (Belle Mead NJ). 38(2):94-6, 2009
                                                                                      5. Schroder CP et al: Treatment of labral tears with associated spinoglenoid cysts without cyst decompression. J Bone Joint Surg Am. 90(3):523-30, 2008
                                                                                      6. Semmler A et al: Suprascapular nerve entrapment by a spinoglenoid cyst. Neurology. 70(11):890, 2008
                                                                                      7. Davidge CM et al: Spontaneous resolution of a spinoglenoid notch cyst and associated suprascapular nerve palsy: a case report. J Shoulder Elbow Surg. 16(3):e4-7, 2007
                                                                                      8. Lee BC et al: Suprascapular nerve neuropathy secondary to spinoglenoid notch ganglion cyst: case reports and review of literature. Ann Acad Med Singapore. 36(12):1032-5, 2007
                                                                                      9. Werner CM et al: Combined intra- and extra-articular arthroscopic treatment of entrapment neuropathy of the infraspinatus branches of the suprascapular nerve caused by a periglenoidal ganglion cyst. Arthroscopy. 23(3):328, 2007
                                                                                      10. Baums MH et al: Treatment option in a SLAP-related ganglion cyst resulting in suprascapular nerve entrapment. Arch Orthop Trauma Surg. 126(9):621-3, 2006
                                                                                      11. Westerheide KJ et al: Suprascapular nerve palsy secondary to spinoglenoid cysts: results of arthroscopic treatment. Arthroscopy. 22(7):721-7, 2006
                                                                                      12. Youm T et al: Treatment of patients with spinoglenoid cysts associated with superior labral tears without cyst aspiration, debridement, or excision. Arthroscopy. 22(5):548-52, 2006
                                                                                      13. Chen AL et al: Arthroscopic management of spinoglenoid cysts associated with SLAP lesions and suprascapular neuropathy. Arthroscopy. 19(6):E15-21, 2003
                                                                                      14. Mellado JM et al: Fluid collections and juxta-articular cystic lesions of the shoulder: spectrum of MRI findings. Eur Radiol. 12(3):650-9, 2002
                                                                                      15. Piatt BE et al: Clinical evaluation and treatment of spinoglenoid notch ganglion cysts. J Shoulder Elbow Surg. 11(6):600-4, 2002
                                                                                      16. Ludig T et al: MR imaging evaluation of suprascapular nerve entrapment. Eur Radiol. 11(11):2161-9, 2001
                                                                                      17. Tung GA et al: MR imaging and MR arthrography of paraglenoid labral cysts. AJR Am J Roentgenol. 174(6):1707-15, 2000
                                                                                      18. Bredella MA et al: Denervation syndromes of the shoulder girdle: MR imaging with electrophysiologic correlation. Skeletal Radiol. 28(10):567-72, 1999
                                                                                      19. Sanders TG et al: Paralabral cyst: an unusual cause of quadrilateral space syndrome. Arthroscopy. 15(6):632-7, 1999
                                                                                      20. Sheets J et al: Aunt Minnie's Corner. Superior labral tear with associated paralabral cyst in the spinoglenoid notch, and infraspinatus denervation myositis. J Comput Assist Tomogr. 23(1):167, 1999
                                                                                      21. Van Zandijcke M et al: Suprascapular nerve entrapment at the spinoglenoid notch due to a ganglion cyst. J Neurol Neurosurg Psychiatry. 66(2):245, 1999
                                                                                      22. Rachbauer F et al: Suprascapular nerve entrapment at the spinoglenoid notch caused by a ganglion cyst. J Shoulder Elbow Surg. 5(2 Pt 1):150-2, 1996
                                                                                      23. Sjödén GO et al: Spinoglenoid bone cyst causing suprascapular nerve compression. J Shoulder Elbow Surg. 5(2 Pt 1):147-9, 1996
                                                                                      24. Skirving AP et al: Infraspinatus paralysis due to spinoglenoid notch ganglion. J Bone Joint Surg Br. 76(4):588-91, 1994
                                                                                      25. Tirman PF et al: Association of glenoid labral cysts with labral tears and glenohumeral instability: radiologic findings and clinical significance. Radiology. 190(3):653-8, 1994