Key result
Arthroscopic ACL reconstruction in a patient with congenital ACL agenesis and an anterolateral meniscofemoral ligament restored full range of motion and normal knee stability at 14 months.
Case Report (n=1)
No
ACL reconstruction with preservation of the anterolateral meniscofemoral ligament is a viable treatment option for patients with ACL agenesis and associated anomalies.
A 24 year old otherwise healthy male presented with a chief complaint of giving way in the left knee. MRI reported complete anterior cruciate ligament (ACL) tearing. Arthroscopy showed ACL agenesis, ring-shaped lateral meniscus, and an anomalous thick band extending from the anterior horn of the lateral meniscus to the intercondylar notch of the lateral femoral condyle, which is known as the anterolateral meniscofemoral ligament (MFL). The MFL was attached to the anatomic site of anteromedial bundle of ACL. ACL reconstruction surgery was performed using central 1/3 bone tendon bone graft. Practitioners should be aware that ACL reconstruction in lateral meniscofemoral ligament with associated ACL agenesis is a treatment option in which the preservation of MFL, as the stabilizer of anterior horn of lateral meniscus, should be considered during ACL reconstruction.
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Razi et al. (2020) conducted a case report in Congenital absence of anterior cruciate ligament with anterolateral meniscofemoral ligament and ring-shaped lateral meniscus (n=1). Arthroscopic ACL reconstruction was evaluated on Knee stability and range of motion. Arthroscopic ACL reconstruction in a patient with congenital ACL agenesis and an anterolateral meniscofemoral ligament restored full range of motion and normal knee stability at 14 months.
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