ABSTRACT
Orthopedic surgeons have multiple options available to treat articular cartilage lesions,
including microfracture, osteochondral autografting, and autologous chondrocyte implantation.
By having basic knowledge of these surgical procedures, radiologists can more accurately
interpret imaging studies obtained after surgery. In this article, we briefly review
the different types of cartilage repair procedures, their appearance on magnetic resonance
imaging (MRI), and pathologic MRI findings associated with postoperative complications.
We also briefly discuss advanced MRI techniques (T2 mapping, delayed gadolinium-enhanced
MRI of cartilage, sodium MRI) that have been recently used to assess the biochemical
composition of repair tissue matrix. MRI can accurately assess the status and health
of cartilage repair tissue. By providing this information to orthopedic surgeons,
radiologists can play a valuable role in the management of patients who undergo cartilage
repair surgery.
KEYWORDS
Magnetic resonance imaging - cartilage repair - microfracture - osteochondral autograft
- autologous chondrocyte implantation
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Christian GlaserM.D.
Department of Radiology, Center for Biomedical Imaging, NYU Langone Medical Center
660 First Ave., New York, NY 10016
Email: christian.glaser@nyumc.org
