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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Synonyms
- Sublabral foramen (SLF) or sublabral hole, Buford complex, sublabral recess
Definitions
- SLF
- Unattached anterosuperior labrum
- Buford complex
- Absent anterosuperior labrum with thick, cord-like middle glenohumeral ligament (MGHL)
- Sublabral recess
- Partially unattached superior labrum
- SLF
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
- Kibler WB et al: New paradigms in the throwing shoulder: labral injury, surgery, and rehabilitation. Instr Course Lect. 68:499-512, 2019
- Gustas CN et al: Imaging update on the glenoid labrum: variants versus tears. Semin Musculoskelet Radiol. 18(4):365-73, 2014
- 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
- Shortt CP et al: Association of glenoid morphology and anterosuperior labral variation. J Comput Assist Tomogr. 33(4):584-6, 2009
- Ilahi OA et al: Classification of anterosuperior glenoid labrum variants and their association with shoulder pathology. Orthopedics. 31(3):226, 2008
- 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
- 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
- Ilahi OA et al: Variants of the anterosuperior glenoid labrum and associated pathology. Arthroscopy. 18(8):882-6, 2002
- 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
- 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
- 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
- Williams MM et al: A sublabral foramen must not be confused with a Bankart lesion. Arthroscopy. 10(5):586, 1994
- 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
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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, sublabral recess
Definitions
- SLF
- Unattached anterosuperior labrum
- Buford complex
- Absent anterosuperior labrum with thick, cord-like middle glenohumeral ligament (MGHL)
- Sublabral recess
- Partially unattached superior labrum
- SLF
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
- Kibler WB et al: New paradigms in the throwing shoulder: labral injury, surgery, and rehabilitation. Instr Course Lect. 68:499-512, 2019
- Gustas CN et al: Imaging update on the glenoid labrum: variants versus tears. Semin Musculoskelet Radiol. 18(4):365-73, 2014
- 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
- Shortt CP et al: Association of glenoid morphology and anterosuperior labral variation. J Comput Assist Tomogr. 33(4):584-6, 2009
- Ilahi OA et al: Classification of anterosuperior glenoid labrum variants and their association with shoulder pathology. Orthopedics. 31(3):226, 2008
- 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
- 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
- Ilahi OA et al: Variants of the anterosuperior glenoid labrum and associated pathology. Arthroscopy. 18(8):882-6, 2002
- 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
- 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
- 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
- Williams MM et al: A sublabral foramen must not be confused with a Bankart lesion. Arthroscopy. 10(5):586, 1994
- 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
