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Evaluation of the acetabular labrum by MR arthrography
M Leunig1, S Werlen, A Ungersböck
1Department of Orthopaedic Surgery, University of Berne, Inselspital, Switzerland.
The Journal of Bone and Joint Surgery. British Volume
|March 1, 1997
Summary
MR arthrography is a valuable tool for diagnosing acetabular labrum tears and degeneration in young adults. This minimally-invasive technique shows promise in identifying hip abnormalities before they progress to osteoarthritis.
Area of Science:
- Orthopedics
- Radiology
- Sports Medicine
Background:
- Acetabular labrum abnormalities can cause groin pain and are precursors to osteoarthritis.
- Early and accurate diagnosis is crucial for effective management.
Purpose of the Study:
- To evaluate the diagnostic value of MR arthrography for acetabular labrum abnormalities.
- To compare MR arthrography findings with intraoperative results.
Main Methods:
- Prospective study of 23 patients with suspected acetabular labrum abnormalities.
- MR arthrography performed on all patients.
- Findings compared with subsequent surgical outcomes.
Main Results:
- MR arthrography suggested labral degeneration or tears in 21 of 23 patients.
- Surgical confirmation in 18 patients; 3 false negatives.
- 2 false positives where MR arthrography suggested an intact labrum.
- Superior labral lesions were most frequently identified.
Conclusions:
- MR arthrography is a promising, minimally-invasive diagnostic technique for acetabular labrum abnormalities.
- It aids in the early detection of conditions that may lead to osteoarthritis.
- High accuracy in identifying labral tears and degeneration, particularly in the superior labrum.