With our increased understanding about the causes of young adult hip pain and femoroacetabular impingement, magnetic resonance imaging has become an important diagnostic tool for identifying labral pathology. However, arthroscopic evaluation is paramount to understanding whether a labral tear truly exists in these patients. Orthopaedic dogma suggests that acetabular paralabral cysts form due to an associated acetabular labral tear. Nevertheless, a cause and effect relationship has not yet been proven in the literature. The location of these paralabral cysts may influence the clinical symptoms that they cause and their diagnostic utility. Further work is needed to fully understand the relevance of acetabular paralabral cysts in patients with femoroacetabular impingement.
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Paralabral cysts in the acetabulum often occur in the setting of labral tears. While labral tears are commonly identified in femoroacetabular impingement syndrome, developmental dysplasia of the hip is also a cause of chondrolabral pathology. Our understanding of paralabral cysts has encouraged addressing the concomitant labral pathology, as this has been shown to result in cyst resolution.
View Article and Find Full Text PDFPersistence of Labral Tears and Resolution of Paralabral Cysts With 2-Year Magnetic Resonance Imaging Analysis After Periacetabular Osteotomy for Hip Dysplasia.
Arthroscopy
November 2024
Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing, China; Beijing Key Laboratory of Sports Injuries, Beijing, China; Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, Beijing, China. Electronic address:
Article Synopsis
- The study evaluated the status of the labrum and the presence of paralabral cysts in patients with developmental dysplasia of the hip (DDH) undergoing periacetabular osteotomy (PAO) before and after surgery using MRI.
- A total of 23 patients were analyzed, with findings showing that all had labral tears, and 41.6% had paralabral cysts, which correlated significantly with several preoperative factors and decreased postoperatively.
- Patient-reported outcomes indicated substantial improvements after surgery, with high probabilities of meeting the minimal clinically important difference across various assessment scales.
Preoperative Paralabral Cysts Predict More Significant Chondral Damage but Not 2-Year Functional Outcomes Following Arthroscopic Labral Repair.
Arthroscopy
May 2024
Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, U.S.A.; Harvard Medical School, Boston, Massachusetts, U.S.A.
Purpose: To investigate whether paralabral cysts identified incidentally on preoperative magnetic resonance imaging/arthrography predict 2-year functional outcomes after arthroscopic acetabular labral repair.
Methods: Prospectively collected data for patients undergoing primary hip arthroscopy by a single surgeon from 2014 to 2020 were retrospectively reviewed. Included patients were ≥18 years and completed baseline patient-reported outcome measures (PROMs) with additional follow-up at 3, 6, 12, and 24 months.
[Comparative study of ultrasound and magnetic resonance imaging in the diagnosis of asymptomatic anterosuperior acetabular labrum tears].
Beijing Da Xue Xue Bao Yi Xue Ban
August 2023
Department of Ultrasound, Peking University Third Hospital, Beijing 100191, China.
Objective: To explore the diagnostic value of ultrasound for asymptomatic anterosuperior acetabular labral tears (ALT).
Methods: From August 2018 to February 2020, a total of 64 asymptomatic volunteers (101 hips) were recruited to complete 3.0T magnetic resonance imaging (MRI) and ultrasound examination.
RE: Acetabular paralabral cysts and perineural propagation.
Br J Radiol
September 2023
Department of Radiology, Mayo Clinic, Rochester, Minnesota, U.S.A.
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