The MRI scan shows a fluid gap between the bottom of the meniscus and the tibia bone. Generally, the meniscus itself remains intact, but without this anchorage the meniscus becomes incompetent as a shock absorber and arthritis may ensue if the situation is not surgically remedied.
The “Floating” Meniscus: MRI in Knee Trauma and Implications for Surgery Bikkina RS, Tujo CA, Schraner AB and Nancy M. Major NM. American Journal of Roentgenology. 2005;184: 200-204.
Meniscal Avulsion. Case submitted by M Venkatesh. Case Discussion and Images.
See also -
- Meniscal avulsion
- Meniscotibial ligament
- Meniscofemoral ligament
- Meniscal extrusion
- Meniscal root avulsion