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| Author | Publication year | Number of knees | Description |
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| Katz et al. | 1967 | 5 | ACL agenesis treated with autologous reconstruction with good operative outcomes in all cases. |
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| Thomas et al. | 1985 | 12 | Congenital cruciate ligament agenesis: half of the patients were asymptomatic, while the other half admitted to their knee giving way more than once a week. All patients underwent arthroscopy, but no ACL reconstruction was performed. |
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| Kaelin et al. | 1986 | 6 | Documentation of arthroscopy in six knees with ligamentous aplasia. |
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| Dejour et al. | 1990 | 1 | Bilateral ligamentous aplasia treated bilaterally with surgery. There was no subjective instability. However, there was persistent pain in the second operated knee. |
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| de Ponti et al. | 2001 | 1 | Bilateral ACL agenesis is associated with tibial or fibular dysplasia, subluxation, or dislocation of the patella, ligament hyperlaxity. |
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| Gabos et al. | 2005 | 4 | Four patients who underwent tendon allograft ACL reconstructions. After a follow-up of 31 months, only one case of a 10-degree extension occurred. Laxity was clinically and subjectively improved in all patients, with a mean Lysholm score of 81. |
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| Frikha et al. | 2005 | 8 knees in the same family | Congenital cruciate ligament agenesis is autosomal, dominant. |
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| Steckel et al. | 2005 | 1 | Lateral discoid meniscus is associated with ACL aplasia.
Case of ACL and PCL absence treated with surgery. |
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| Manner et al. | 2006 | 34 | Bilateral ACL agenesis is associated with proximal focal femoral deficiency, congenital talipes equinovarus, fibular hemimelia. |
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| Knorr et al. | 2006 | 1 | Case of ACL agenesis and a hypoplastic medial meniscus treated with Clochville ACL reconstruction. At the 5-year follow-up, the patient was asymptomatic, with clinically improved stability. |
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| Lee et al. | 2006 | 1 | Case of ACL agenesis and a hypoplastic PCL treated with notchplasty and transtibial single-bundle ACL reconstruction. At the 6-month follow-up, improved clinical stability without range of motion restriction was observed. |
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| Roth et al. | 2010 | 3 | Bilateral ACL agenesis is associated with agenesis or hypoplasia of the patella, hip dysplasia, or dislocation. |
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| Bedoya et al. | 2014 | 1 | Case of ACL agenesis treated with surgery.
Bilateral ACL agenesis is associated with scoliosis. |
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| Sonn and Caltoum | 2014 | 1 | Male monozygotic twins with symptomatic ACL agenesis. Both underwent ligament reconstruction with a patellar graft. At 32 postoperative months, both patients had good clinical knee stability. |
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