2021 ISAKOS Biennial Congress ePoster
Increased MFC Width and Osteochondritis Dissecans: Cause or Effect and Implications for Osteochondral Allograft Transplantation
Mitchell Scott Mologne, BS, Appleton, WI UNITED STATES
Timothy Mologne, MD, Appleton, Wisconsin UNITED STATES
Matthew T. Provencher, MD, Vail, CO UNITED STATES
Orthopedic and Sports Institute of the Fox Valley, Appleton, WI, UNITED STATES
FDA Status Not Applicable
Summary
The medial femoral condyle is wider in patients with osteochondritis dissecans, irrespective of age, as compared to controls. Surgeons that contemplate size matched osteochondral allografts should consider non-orthotopic graft options as large MFC allografts are uncommon
ePosters will be available shortly before Congress
Abstract
Purpose
Evaluate the relationship between MFC width and osteochondritis dissecans and assess whether increased MFC width is a cause or effect of OCD.
Methods
and Materials
MRIs of 112 patients with osteochondritis dissecans of the MFC and age and gender matched control MRIs were reviewed. MFC width and tibial plateau width were recorded. T-test statistic was used to compare OCD patients with controls. Data was also assessed to determine effects of age and gender.
Results
The mean MFC width in OCD patients was 29.2 mm, which was statistically greater than controls ( p<0.001 ). Age did not have any statistical effect on MFC width in OCD patients. Men had wider MFCs as compared to women in all age groups in OCD patients and controls
Conclusion
The MFC is wider than normal in patients wtih osteochondritis dissecans of the MFC. Wider MFCs are seen even in young OCD patients, suggesting that it may play a role in the development of OCD. When considering an osteochondral allograft transplant, surgeons must keep in mind that 29 mm wide MFCs are very uncommon and if size matching is desired, other graft options like LFCs should be considered.