The Journal of Bone and Joint Surgery (American). 2009;91:126-131.
doi:10.2106/JBJS.H.01386
© 2009 The Journal of Bone and Joint Surgery, Inc.
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Magnetic Resonance Imaging Assessment of Chondral Lesions and Repair

Hollis G. Potter, MD1 and Le Roy Chong, MD1

1 Magnetic Resonance Imaging, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021. E-mail address for H.G. Potter: potterh{at}hss.edu

Disclosure: The authors did not receive any outside funding or grants in support of their research for or preparation of this work. Neither they nor a member of their immediate families received payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity. No commercial entity paid or directed, or agreed to pay or direct, any benefits to any research fund, foundation, division, center, clinical practice, or other charitable or nonprofit organization with which the authors, or a member of their immediate families, are affiliated or associated.

Standardized, validated magnetic resonance imaging sequences that are sensitive for articular cartilage are available for clinical use in magnetic resonance imaging units. Whereas two-dimensional sequences are helpful in the assessment of repair morphology, three-dimensional sequences with isotropic voxels measure cartilage volumes and provide an accurate assessment of fill following repair. Protocols should be modified so that sequences are not limited by instrumentation. The addition of quantitative magnetic resonance imaging techniques provides an objective assessment of repair-tissue biochemistry as well as of the tissue at the peripheral integration with the host hyaline cartilage.


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