MR imaging of a torn ACL. (A-C) Proton density sagittal cuts; showing anteroposterior tibial insertion site length measurement “x”, intra-articular ligament.

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MR imaging of a torn ACL. (A-C) Proton density sagittal cuts; showing anteroposterior tibial insertion site length measurement “x”, intra-articular ligament length measurement “y” and ACL inclination angle measurement “z”. Oblique (in the same plane as the ACL runs) coronal cuts showing a complete ACL tear with separate images of a PL bundle tear (D) and an AM bundle tear (E). Source: Orthopedic Surgery, Schwartz's Principles of Surgery, 10e Citation: Brunicardi F, Andersen DK, Billiar TR, Dunn DL, Hunter JG, Matthews JB, Pollock RE. Schwartz's Principles of Surgery, 10e; 2014 Available at: http://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/980/bru_ch43_f011a-e.png&sec=100405189&BookID=980&ChapterSecID=59610885&imagename= Accessed: October 31, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved