[Tear_10] Longitudinal-Vertical Tears_ ACL tear -08

There is a close association between ACL tears and peripheral longitudinal tears in the posterior horns of both the medial and lateral menisci.
Acute ACL injury is associated with more lateral meniscal tears, while chronic ACL deficiency is associated with more medial meniscal tears,many of which require meniscectomy. So early ACL reconstruction is recommended also for the prevention of secondary meniscal tear

A variety of tears may also be seen in the medial meniscus, but a higher percentage tend to be longitudinal tears of the posterior horn.

Medial meniscus tears associated with ACL tears commonly involve the meniscocapsular junction, posterior inferior corner, or are parallel to the periphery.
vertically oriented increased signal intensity contacting both articular surfaces of the body and posterior horn of the medial meniscus consistent with a complete longitudinal-vertical tear.

The axial image shows how this type of injury parallels the long axis of the meniscus, maintaining the same distance from the periphery.

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