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After a basketball tournament, he felt pain in the knee, and an MRI exam showed he had a joint condition called osteochondritis dissecans.

An MRI showed darkness, and Seyda was diagnosed with osteochondritis dissecans.

When Justify was a yearling, X-rays revealed he had osteochondritis dissecans in the stifle joint, meaning the bone did not develop properly.

He has aspirations of gaining a college scholarship for swimming and said he is glad osteochondritis dissecans hasn’t taken those opportunities away from him.

My knees went bad as a teenager because of OCD — not obsessive-compulsive disorder, but a rare condition known as osteochondritis dissecans.