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Case Reports
. 2018 Aug 15;2018(8):rjy216.
doi: 10.1093/jscr/rjy216. eCollection 2018 Aug.

Anterior and posterior cruciate ligament agenesis

Amanda Brevilheri Benassi  1 , João Paulo Fernandes Guerreiro  1   2   3 , Alexandre de Oliveira Queiroz  2   3 , Roberto Grange Gasparelli  2   3 , Marcus Vinicius Danieli  1   2   3
Affiliations
Case Reports

Anterior and posterior cruciate ligament agenesis

Amanda Brevilheri Benassi et al. J Surg Case Rep. .

Abstract

Congenital absence of the cruciate ligament is a rare condition with a prevalence of 0.017 per 1000 live births. This study reports a case of congenital absence of the anterior and posterior cruciate ligaments of the left knee associated to a type 1A fibular hemimelia, and a contribution to the existing hypotheses on knee ligaments development. According to medical literature the anomaly begins to develop around the seventh-eighth week of pregnancy. Patients with a cruciate ligament agenesis will often need a knee replacement at one point in their lives.

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Figures

Figure 1:
Figure 1:
AP radiographic view of the knees (A) and lateral view of left knee—affected (B). AP (C) and lateral view (D and E) of the ankles. Note in (A) tibial spines hypoplasia of left knee, and in (C) left tibiotarsic joint dysplasia with fibular shortening, also noted in (D).
Figure 2:
Figure 2:
MRI of the affected knee showing the congenital absence of the cruciate ligaments (circles) and the presence of a bucket handle tear of the medial meniscus (arrow).
Figure 3:
Figure 3:
Arthroscopy surgery view during cruciate ligaments reconstruction. Note in (A) and (B) the ligaments absence. The lateral meniscus has not its bone tibial insertion of the posterior horn (*), which continued with the anterior meniscus femoral ligament (Humphry), which was hypertrophied (**). LFC, lateral femoral condyle.
Figure 4:
Figure 4:
Final arthroscopic surgery image of the ACL and PCL reconstruction with the grafts tense and well positioned.
Figure 5:
Figure 5:
Radiographic image in AP (A) and lateral view (B) of left knee after surgery.
See this image and copyright information in PMC

References

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