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SLAP Tear
Michael J. Tuite, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Abbreviations

              • Superior labrum anterior-posterior (SLAP) tear
            • Synonyms

              • Type I-IV SLAP tear
            • Definitions

              • Longitudinal tear of superior labrum that extends anterior to posterior
                • Fraying of superior labrum = type I
                • Extended SLAP tear: Type V-X SLAP tears are type II or III SLAP tear with extension into adjacent labrum or ligament

            IMAGING

            • General Features

              • Radiographic Findings

                • CT 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. Modarresi S et al: Superior labral anteroposterior lesions of the shoulder: part 2, mechanisms and classification. AJR Am J Roentgenol. 197(3):604-11, 2011
                                          2. Modarresi S et al: Superior labral anteroposterior lesions of the shoulder: part 1, anatomy and anatomic variants. AJR Am J Roentgenol. 197(3):596-603, 2011
                                          3. Borrero CG et al: Magnetic resonance appearance of posterosuperior labral peel back during humeral abduction and external rotation. Skeletal Radiol. 39(1):19-26, 2010
                                          4. Holzapfel K et al: Inter- and intraobserver variability of MR arthrography in the detection and classification of superior labral anterior posterior (SLAP) lesions: evaluation in 78 cases with arthroscopic correlation. Eur Radiol. 20(3):666-73, 2010
                                          5. Lin E: Magnetic resonance arthrography of superior labrum anterior-posterior lesions: a practical approach to interpretation. Curr Probl Diagn Radiol. 38(2):91-7, 2009
                                          6. Chang D et al: SLAP lesions: anatomy, clinical presentation, MR imaging diagnosis and characterization. Eur J Radiol. 68(1):72-87, 2008
                                          7. Pandya NK et al: Physical examination and magnetic resonance imaging in the diagnosis of superior labrum anterior-posterior lesions of the shoulder: a sensitivity analysis. Arthroscopy. 24(3):311-7, 2008
                                          8. Jin W et al: MR arthrography in the differential diagnosis of type II superior labral anteroposterior lesion and sublabral recess. AJR Am J Roentgenol. 187(4):887-93, 2006
                                          9. Tuite MJ et al: Width of high signal and extension posterior to biceps tendon as signs of superior labrum anterior to posterior tears on MRI and MR arthrography. AJR Am J Roentgenol. 185(6):1422-8, 2005
                                          10. Waldt S et al: Diagnostic performance of MR arthrography in the assessment of superior labral anteroposterior lesions of the shoulder. AJR Am J Roentgenol. 182(5):1271-8, 2004
                                          11. Lee JH et al: Diagnosis of SLAP lesions with Grashey-view arthrography. Skeletal Radiol. 32(7):388-95, 2003
                                          12. Jee WH et al: Superior labral anterior posterior (SLAP) lesions of the glenoid labrum: reliability and accuracy of MR arthrography for diagnosis. Radiology. 218(1):127-32, 2001
                                          13. Bencardino JT et al: Superior labrum anterior-posterior lesions: diagnosis with MR arthrography of the shoulder. Radiology. 214(1):267-71, 2000
                                          14. Tuite MJ et al: Superior labrum anterior-posterior (SLAP) tears: evaluation of three MR signs on T2-weighted images. Radiology. 215(3):841-5, 2000
                                          15. Chan KK et al: Superior labral anteroposterior lesions: MR arthrography with arm traction. AJR Am J Roentgenol. 173(4):1117-22, 1999
                                          16. Monu JU et al: MR diagnosis of superior labral anterior posterior (SLAP) injuries of the glenoid labrum: value of routine imaging without intraarticular injection of contrast material. AJR Am J Roentgenol. 163(6):1425-9, 1994
                                          17. Smith AM et al: SLAP lesions of the glenoid labrum diagnosed with MR imaging. Skeletal Radiol. 22(7):507-10, 1993
                                          18. Cartland JP et al: MR imaging in the evaluation of SLAP injuries of the shoulder: findings in 10 patients. AJR Am J Roentgenol. 159(4):787-92, 1992
                                          Related Anatomy
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                                          Related Differential Diagnoses
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                                          References
                                          Tables

                                          Tables

                                          KEY FACTS

                                          • Terminology

                                            • Imaging

                                              • Top Differential Diagnoses

                                                • Clinical Issues

                                                  • Diagnostic Checklist

                                                    TERMINOLOGY

                                                    • Abbreviations

                                                      • Superior labrum anterior-posterior (SLAP) tear
                                                    • Synonyms

                                                      • Type I-IV SLAP tear
                                                    • Definitions

                                                      • Longitudinal tear of superior labrum that extends anterior to posterior
                                                        • Fraying of superior labrum = type I
                                                        • Extended SLAP tear: Type V-X SLAP tears are type II or III SLAP tear with extension into adjacent labrum or ligament

                                                    IMAGING

                                                    • General Features

                                                      • Radiographic Findings

                                                        • CT 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. Modarresi S et al: Superior labral anteroposterior lesions of the shoulder: part 2, mechanisms and classification. AJR Am J Roentgenol. 197(3):604-11, 2011
                                                                                  2. Modarresi S et al: Superior labral anteroposterior lesions of the shoulder: part 1, anatomy and anatomic variants. AJR Am J Roentgenol. 197(3):596-603, 2011
                                                                                  3. Borrero CG et al: Magnetic resonance appearance of posterosuperior labral peel back during humeral abduction and external rotation. Skeletal Radiol. 39(1):19-26, 2010
                                                                                  4. Holzapfel K et al: Inter- and intraobserver variability of MR arthrography in the detection and classification of superior labral anterior posterior (SLAP) lesions: evaluation in 78 cases with arthroscopic correlation. Eur Radiol. 20(3):666-73, 2010
                                                                                  5. Lin E: Magnetic resonance arthrography of superior labrum anterior-posterior lesions: a practical approach to interpretation. Curr Probl Diagn Radiol. 38(2):91-7, 2009
                                                                                  6. Chang D et al: SLAP lesions: anatomy, clinical presentation, MR imaging diagnosis and characterization. Eur J Radiol. 68(1):72-87, 2008
                                                                                  7. Pandya NK et al: Physical examination and magnetic resonance imaging in the diagnosis of superior labrum anterior-posterior lesions of the shoulder: a sensitivity analysis. Arthroscopy. 24(3):311-7, 2008
                                                                                  8. Jin W et al: MR arthrography in the differential diagnosis of type II superior labral anteroposterior lesion and sublabral recess. AJR Am J Roentgenol. 187(4):887-93, 2006
                                                                                  9. Tuite MJ et al: Width of high signal and extension posterior to biceps tendon as signs of superior labrum anterior to posterior tears on MRI and MR arthrography. AJR Am J Roentgenol. 185(6):1422-8, 2005
                                                                                  10. Waldt S et al: Diagnostic performance of MR arthrography in the assessment of superior labral anteroposterior lesions of the shoulder. AJR Am J Roentgenol. 182(5):1271-8, 2004
                                                                                  11. Lee JH et al: Diagnosis of SLAP lesions with Grashey-view arthrography. Skeletal Radiol. 32(7):388-95, 2003
                                                                                  12. Jee WH et al: Superior labral anterior posterior (SLAP) lesions of the glenoid labrum: reliability and accuracy of MR arthrography for diagnosis. Radiology. 218(1):127-32, 2001
                                                                                  13. Bencardino JT et al: Superior labrum anterior-posterior lesions: diagnosis with MR arthrography of the shoulder. Radiology. 214(1):267-71, 2000
                                                                                  14. Tuite MJ et al: Superior labrum anterior-posterior (SLAP) tears: evaluation of three MR signs on T2-weighted images. Radiology. 215(3):841-5, 2000
                                                                                  15. Chan KK et al: Superior labral anteroposterior lesions: MR arthrography with arm traction. AJR Am J Roentgenol. 173(4):1117-22, 1999
                                                                                  16. Monu JU et al: MR diagnosis of superior labral anterior posterior (SLAP) injuries of the glenoid labrum: value of routine imaging without intraarticular injection of contrast material. AJR Am J Roentgenol. 163(6):1425-9, 1994
                                                                                  17. Smith AM et al: SLAP lesions of the glenoid labrum diagnosed with MR imaging. Skeletal Radiol. 22(7):507-10, 1993
                                                                                  18. Cartland JP et al: MR imaging in the evaluation of SLAP injuries of the shoulder: findings in 10 patients. AJR Am J Roentgenol. 159(4):787-92, 1992