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Updated: Oct 20, 2025

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
Published on: December 18, 2016
MRI of the Meniscus
James Derek Stensby1, Lauren Clough Pringle2, Julia Crim3
1Diagnostic Radiology, Department of Radiology, DC069.10, University of Missouri, Columbia, MO, USA.
Abstract:
The menisci of the knee are accurately evaluated by MRI. Knowledge of normal anatomy, imaging parameters, imaging appearance of the normal and torn meniscus, and common anatomic variants and pitfalls are essential in obtaining the correct imaging diagnosis. There are multiple imaging signs of meniscal tear, including linear signal intensity extending to an articular surface on at least 2 images, altered meniscal shape, displaced meniscal flap, ghost meniscus, meniscal extrusion, and parameniscal cyst. After surgery, granulation tissue may mimic tear. Diagnosis is improved by comparison to preoperative images, operative note, and intra-articular contrast administration.
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