Complete ACL tear

Case contributed by Dr Ahmed Abd Rabou


Left knee pain and limitation of movement following twisting injury during basketball game

Patient Data

Age: 16 years old
Gender: Male

Rupture of mid fibers of ACL, anterior tibial translation with redundant patellar tendon, buckled yet intact PCL, a small vertical tear of posterior horn of lateral meniscus, marrow contusion of the lateral femoral and tibial condyles and moderate joint effusion.

Case Discussion

Diagnosis of ACL tear is made by detection of primary and secondary signs. Primary sign includes discontinuity and abnormal signal of ACL fibers and secondary signs include PCL buckling, anterior tibial translation, uncovered PHLM, empty notch sign, bone bruise and Segond fracture.

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Case information

rID: 24907
Case created: 19th Sep 2013
Last edited: 18th Apr 2017
Tags: knee, trauma
Inclusion in quiz mode: Included

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