MR imaging of meniscal malformations of the knee mimicking displaced bucket-handle tear.
case_report · Level V
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Abstract
We report two cases of patients with lateral meniscal malformations of the knee that were found incidentally. Magnetic resonance imaging (MRI) of both cases showed a fragment-like meniscus structure located in the intercondylar notch, very similar to the "fragment in the intercondylar notch sign" observed in displaced bucket-handle tear. Arthroscopic examinations revealed a ring-shaped lateral meniscus in one case, and "flipped-over" lateral meniscus in the other. In the latter, a similar lateral meniscal malformation was observed contralaterally at MR arthrography.
Medical subject headings
- Knee Injuries
- Menisci, Tibial
Anatomy
- knee
- tibia