Erschienen in:
06.02.2020 | Pediatric Orthopedics (B Heyworth, Section Editor)
Evaluation and Treatment of Borderline Dysplasia: Moving Beyond the Lateral Center Edge Angle
verfasst von:
Nicholas J. Vaudreuil, Michael P. McClincy
Erschienen in:
Current Reviews in Musculoskeletal Medicine
|
Ausgabe 1/2020
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Abstract
Purpose of Review
The purpose of this manuscript is to 1 define the features associated with borderline acetabular dysplasia and 2 review current status of diagnostic algorithms and treatment options for borderline dysplasia.
Recent Findings
Acetabular dysplasia is a common cause of hip pain secondary to insufficient coverage of the femoral head by the bony acetabulum. Historical classification of acetabular dysplasia has utilized the lateral center edge angle (LCEA); values above 25° are normal and below 20° are considered pathologic. Borderline dysplasia describes hips with LCEA between 20 and 25o; treatment of these patients is controversial.
Summary
While many studies utilize LCEA in classification of borderline dysplasia, isolated reliance on measurement of lateral femoral head coverage to define severity of undercoverage will continue to mislabel morphology. Thorough assessment of the characteristics of mild acetabular undercoverage is necessary for future studies, which will allow effective comparisons of results between hip arthroscopy and periacetabular osteotomy.