link
Bookmarks
Normal Labral Variants
Michael J. Tuite, MD; Donna G. Blankenbaker, MD
To access 4,300 diagnoses written by the world's leading experts in radiology, please log in or subscribe.Log inSubscribe
0
0
0
0

KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Synonyms

                • Sublabral foramen (SLF) or sublabral hole, Buford complex, superior recess
              • Definitions

                • SLF
                  • Unattached anterosuperior labrum
                • Buford complex
                  • Absent anterosuperior labrum with thick, cord-like middle glenohumeral ligament (MGHL)
                • Superior recess
                  • Partially unattached superior labrum

              IMAGING

              • General Features

                • 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. Gustas CN et al: Imaging update on the glenoid labrum: variants versus tears. Semin Musculoskelet Radiol. 18(4):365-73, 2014
                                        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. Shortt CP et al: Association of glenoid morphology and anterosuperior labral variation. J Comput Assist Tomogr. 33(4):584-6, 2009
                                        4. Ilahi OA et al: Classification of anterosuperior glenoid labrum variants and their association with shoulder pathology. Orthopedics. 31(3):226, 2008
                                        5. Waldt S et al: Variants of the superior labrum and labro-bicipital complex: a comparative study of shoulder specimens using MR arthrography, multi-slice CT arthrography and anatomical dissection. Eur Radiol. 16(2):451-8, 2006
                                        6. Rao AG et al: Anatomical variants in the anterosuperior aspect of the glenoid labrum: a statistical analysis of seventy-three cases. J Bone Joint Surg Am. 85-A(4):653-9, 2003
                                        7. Ilahi OA et al: Variants of the anterosuperior glenoid labrum and associated pathology. Arthroscopy. 18(8):882-6, 2002
                                        8. Tuite MJ et al: Sublabral foramen and buford complex: inferior extent of the unattached or absent labrum in 50 patients. Radiology. 223(1):137-42, 2002
                                        9. Tirman PF et al: The Buford complex--a variation of normal shoulder anatomy: MR arthrographic imaging features. AJR Am J Roentgenol. 166(4):869-73, 1996
                                        10. Tuite MJ et al: Anterosuperior labral variants of the shoulder: appearance on gradient-recalled-echo and fast spin-echo MR images. Radiology. 199(2):537-40, 1996
                                        11. Williams MM et al: A sublabral foramen must not be confused with a Bankart lesion. Arthroscopy. 10(5):586, 1994
                                        12. Williams MM et al: The Buford complex--the "cord-like" middle glenohumeral ligament and absent anterosuperior labrum complex: a normal anatomic capsulolabral variant. Arthroscopy. 10(3):241-7, 1994
                                        Related Anatomy
                                        Loading...
                                        Related Differential Diagnoses
                                        Loading...
                                        References
                                        Tables

                                        Tables

                                        KEY FACTS

                                        • Terminology

                                          • Imaging

                                            • Top Differential Diagnoses

                                              • Pathology

                                                • Clinical Issues

                                                  • Diagnostic Checklist

                                                    TERMINOLOGY

                                                    • Synonyms

                                                      • Sublabral foramen (SLF) or sublabral hole, Buford complex, superior recess
                                                    • Definitions

                                                      • SLF
                                                        • Unattached anterosuperior labrum
                                                      • Buford complex
                                                        • Absent anterosuperior labrum with thick, cord-like middle glenohumeral ligament (MGHL)
                                                      • Superior recess
                                                        • Partially unattached superior labrum

                                                    IMAGING

                                                    • General Features

                                                      • 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. Gustas CN et al: Imaging update on the glenoid labrum: variants versus tears. Semin Musculoskelet Radiol. 18(4):365-73, 2014
                                                                              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. Shortt CP et al: Association of glenoid morphology and anterosuperior labral variation. J Comput Assist Tomogr. 33(4):584-6, 2009
                                                                              4. Ilahi OA et al: Classification of anterosuperior glenoid labrum variants and their association with shoulder pathology. Orthopedics. 31(3):226, 2008
                                                                              5. Waldt S et al: Variants of the superior labrum and labro-bicipital complex: a comparative study of shoulder specimens using MR arthrography, multi-slice CT arthrography and anatomical dissection. Eur Radiol. 16(2):451-8, 2006
                                                                              6. Rao AG et al: Anatomical variants in the anterosuperior aspect of the glenoid labrum: a statistical analysis of seventy-three cases. J Bone Joint Surg Am. 85-A(4):653-9, 2003
                                                                              7. Ilahi OA et al: Variants of the anterosuperior glenoid labrum and associated pathology. Arthroscopy. 18(8):882-6, 2002
                                                                              8. Tuite MJ et al: Sublabral foramen and buford complex: inferior extent of the unattached or absent labrum in 50 patients. Radiology. 223(1):137-42, 2002
                                                                              9. Tirman PF et al: The Buford complex--a variation of normal shoulder anatomy: MR arthrographic imaging features. AJR Am J Roentgenol. 166(4):869-73, 1996
                                                                              10. Tuite MJ et al: Anterosuperior labral variants of the shoulder: appearance on gradient-recalled-echo and fast spin-echo MR images. Radiology. 199(2):537-40, 1996
                                                                              11. Williams MM et al: A sublabral foramen must not be confused with a Bankart lesion. Arthroscopy. 10(5):586, 1994
                                                                              12. Williams MM et al: The Buford complex--the "cord-like" middle glenohumeral ligament and absent anterosuperior labrum complex: a normal anatomic capsulolabral variant. Arthroscopy. 10(3):241-7, 1994