Normal posterior meniscofemoral ligament - ligament of Wrisberg

Discussion:

The meniscofemoral ligament (MFL) arises from the posterior horn of the lateral meniscus and passes to attach to the lateral aspect of the medial femoral condyle. It splits into two bands at the posterior cruciate ligament (PCL), which are named in relation to the PCL:

  • anterior meniscofemoral ligament (ligament of Humphrey)
  • posterior meniscofemoral ligament (ligament of Wrisberg)

Radiologists should be aware of the normal course of the MFL, not to be misinterpreted on sagittal MR images as an intra-articular loose body or meniscal fragment.

A special meniscal tear is known as Wrisberg rip also occurs at the junction of the ligament of Wrisberg and the posterior horn of the lateral meniscus and is commonly associated with anterior cruciate ligament tears.

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