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Ligamentum Teres Avulsion Fracture and Posterior Labral Tear After a Pediatric Hip Dislocation: A Case Report
Abhinav Chandra Sekhar Kolachala1, Akash Kumar Ghosh, Jai Prakash Khatri
1Department of Orthopaedics, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Case:
A 13-year-old adolescent girl presented with right hip pain and restricted motion, 3 days following closed reduction of post-traumatic hip dislocation. Initial radiograph looked innocuous. A computed tomography scan was performed due to persistent pain, revealed a bony ligamentum teres (LT) avulsion fragment incarcerated within the hip joint. The fragment was excised through a safe surgical dislocation, and an intraoperatively discovered posterior labral tear was repaired. The patient is asymptomatic at 2-year follow-up.
Conclusion:
This is a rare case of pediatric LT bony avulsion. Cross-sectional imaging is essential following closed reduction of the hip to detect any intra-articular pathologies that may be overlooked on plain radiographs.
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