[Anatomy_12] Normal Fissured LM Anterior Root

 

The anterior root of lateral meniscus is normally directed obliquely upward on sagittal images and frequently contains increased internal signal intensity.

In this location, the increased signal intensity is sometimes referred to as “speckled.”

The anterior root of the lateral meniscus differs from the anterior root of the medial meniscus because it often has a prominent fissured appearance similar to the posterior root of the medial meniscus

 

This fissured appearance on MRI is caused by fibrofatty tissue interposed between the insertional collagenous fibers of the anterior root as well as interposed fibers of the ACL insertion.

It's not a real patient's MRI, but they are virtual images very similar to the images in the journals. The images will be created for educational purposes.

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