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There is a close association between peripheral longitudinal tears and ACL tears. Specifically, 90% of MM and 83% of LM peripheral longitudinal tears have an associated ACL tear Meniscal tears • Associated with 41% to 68% of acute isolated ACL injuries • Associated with 85% to 91% of chronic ACL-deficient knees • Reported in up to 79% of pediatric patients • Better prognosis for successful meniscal repair when performed in conjunction with ACL reconstruction • Higher incidence of lateral meniscal tears with acute ACL injuries, while medial meniscal tears more common with chronic AcL injuries Lateral meniscus (Wrisberg Rip) Subset of the longitudinal tears of the posterior horn of the lateral meniscus, termed the “Wrisberg Rip” originates at the junction of the posterior horn of the lateral meniscus and the meniscofemoral ligament longitudinal tear of the posterior horn of the lateral meniscus, which extends to the attachment of the meniscofemoral ligament Medial meniscus (Type 4 Ramp lesion) Full thickness vertical peripheral tear in the red- red zone of the medial meniscal posterior horn via linear high T2 fluid intensity signal extending from the superior to the inferior articular surface. #kneeanatomy #meniscus #kneemri #meniscaltear Visualizing MSK Radiology: A Practical Guide to Radiology Mastery Instagram Blog © 2022 MSK MRI Jee Eun Lee All Rights may not distribute or commercially exploit the may you transmit it or store it on any other website or other forms of the electronic retrieval you would like to use an image or video for anything other than personal use, please contact me. (jamaisvu1977@), (jamaisvu77@) or instagram (msk_mri)
