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Increased MFC Width and Osteochondritis Dissecans: Cause or Effect and Implications for Osteochondral Allograft Transplantation

Increased MFC Width and Osteochondritis Dissecans: Cause or Effect and Implications for Osteochondral Allograft Transplantation

Mitchell Scott Mologne, BS, UNITED STATES Timothy Mologne, MD, UNITED STATES Matthew T. Provencher, MD, UNITED STATES

Orthopedic and Sports Institute of the Fox Valley, Appleton, WI, UNITED STATES


2021 Congress   ePoster Presentation     Not yet rated

 

Anatomic Location

Anatomic Structure

Diagnosis / Condition

Treatment / Technique

Diagnosis Method

MRI

Cartilage

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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


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.


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