Presentation
Pain and swelling about six months in a basketball player.
Patient Data
Age: 19 years
Gender: Male
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Frontal
Osteochondral defect of the inner surface of the medial femoral condyle, with sclerotic margins and free fragment but not dislocated.
Case Discussion
Osteochondritis dissecans is a necrosis that affects only a small part, lenticular, the articular cartilage and the corresponding subchondral bone.
The bone is clearly demarcated the osteocartilaginous surrounding tissue to break away and become "free" in the 'articulation (called joint mice).
Osteochondritis dissecans occurs mainly in adolescence and is initially asymptomatic; as an adult, you have the first signs of pain and limitation of joint movement.
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