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Journal of Case Reports
Bilateral Tibial Spine Avulsion Fracture
Ittai Shichman, Dror Maor, Haggai Schermann, Guy Morag 
Division of Orthopedic Surgery, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
Corresponding Author:
Dr. Ittai Shichman
Email: ittaish@gmail.com
Received: 14-MAR-2020 Accepted: 17-JUN-2020 Published Online: 30-JUN-2020
DOI: http://dx.doi.org/10.17659/01.2020.0035
Background: In skeletally mature patients, anterior cruciate ligament (ACL) avulsion fractures are considered uncommon. The objective of this paper is to present a rare case of a bilateral tibial spine avulsion in a skeletally mature one-month post-partum woman and to review literature on tibial spine avulsion fractures in the adult population. Case Report: A 30-year-old healthy female one-month post-partum suffered a crushing injury of both knees. She was diagnosed with Meyer-McKeever type II fracture on the right and type IIIA fracture on the left. According to literature review, female gender and post-partum ligamentous laxity were possible risk factors for this rare injury. Ten days after injury the fractures were treated surgically. Three months post-operatively she was pain free with full range of movements and had no clinical signs of knee instability. X-rays demonstrated complete fracture union. Conclusion: The case presented concludes a rare diagnosis in a skeletally mature post-partum woman with high likelihood of pregnancy related osteoporosis and ligamentous laxity which probably were risk factors in the pathophysiology mechanism of injury.
Keywords : Anterior Cruciate Ligament, Arthroscopy, Intra-Articular Fractures, Knee Joint, Osteoporosis.
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