Ramp Lesions on Knee MRI (Anatomy)

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Learn about the normal anatomy of the medial meniscus and its capsular attachment with the meniscocapsular ligament and the meniscotibial ligament. In this video, we focus on the anatomy before we have a look into the pathology and the so-called ramp lesion in next week's video. Ramp lesions are important and frequently missed on MRI. Up to 24% of ACL tears have ramp lesions, so we all have missed at least several, I'd guess. However, it is important as they sometimes need surgical repair. Some of them are named hidden lesions.

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I’m PD Dr. med. Christoph Agten, an MSK radiologist and mentor. I founded the Virtual MSK Fellowship, where 200+ radiologists have mastered MSK faster than they thought possible. I’m a teleradiologist who's completed MSK fellowships in Zurich and NYU, written 40+ research papers, and published the bestselling book SPEED MSK.

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References (images and information):
Quantitative and Qualitative Assessment of the Posterior Medial Meniscus Anatomy Defining Meniscal Ramp Lesions, by
Nicholas N. DePhillipo
https://journals.sagepub.com/doi/pdf/...

Greif, D.N., Baraga, M.G., Rizzo, M.G. et al. MRI appearance of the different meniscal ramp lesion types, with clinical and arthroscopic correlation. Skeletal Radiol 49, 677–689 (2020). https://doi.org/10.1007/s00256-020-03...
https://doi.org/10.1007/s00256-020-03...
https://rdcu.be/b3C16