Avulsed anterior cruciate ligament with meniscal tear
Twisting and instability of the knee
Loading Stack -
0 images remaining
- The posterior horn medial meniscus shows triangular intermediate signal intensity at PD not reaching the articular surfaces suggesting its degeneration.
- The posterior horn lateral meniscus shows a complex linear intermediate signal intensity at the PD with both vertical and transverse component, Also a part of this altered signal became hyper-intense at T2 confirming fluid leakage into the meniscal substance. Features denoting flap tear PHLM.
- The medial articular surface of the patella shows irregularity with sub-articula sclerosis suggesting early osteoarthritis of the patello-femoral articulation.
- The tibial plateau shows a hyperintense T2 and STIR line extending at the anterior cruciate ligament attachment site with surrounding bone marrow edema and a separated bony fragment attached to ACL lower end. Features suggestive of recent ACL avulsion from tibial insertion.
1 case question available
Surgical repair was performed with confirmation of the meniscal tear.
- Christopher JG, Benjamin AE, Eric AW, Thomas JL, Deborah F. Avulsion Fractures of the Knee: Imaging Findings and Clinical Significance. RadioGraphics 2008; 28:1755–1770