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Sports Medicine
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Osteochondral Allograft Transplantation

Cartilage Restoration

A 28-year-old male professional footballer presents 6 months after failed microfracture for a 4cm² osteochondritis dissecans (OCD) lesion of the medial femoral condyle. MRI shows a persistent full-thickness cartilage defect with associated subchondral bone loss. He wishes to return to high-level sport. Regarding osteochondral allograft (OCA) transplantation and graft considerations:

Mark each as TRUE or FALSE

A

Fresh osteochondral allografts are preferred over frozen grafts because chondrocyte viability is cri...

B

Osteochondral allograft is indicated for large chondral defects greater than 2-4cm², lesions with si...

C

Fresh osteochondral allografts require HLA matching between donor and recipient; ABO blood group com...

D

Graft sizing uses plain radiographs or CT with specific measurements (anteroposterior width, maximum...

E

Disease transmission risk is minimized through donor screening (serologic testing for HIV, Hepatitis...

Answer the questions to see explanations

Click T (True) or F (False) for each option