OCD grade II lesion is characterized by which feature?

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Multiple Choice

OCD grade II lesion is characterized by which feature?

In Osteochondritis dissecans, lesions are described by stability and how much of the subchondral fragment has detached. Grade II specifically means the osteochondral fragment has a fissure with partial discontinuity, but the fragment remains attached to the surrounding bone, so the lesion is stable rather than completely displaced. This partial separation distinguishes it from more advanced stages where the fragment becomes unstable or completely detached (a loose body). The other descriptions don’t fit because an unstable, fully detached fragment would be a more severe stage, a loose body implies complete detachment, and a non-symptomatic lesion wouldn’t present with a grade II pattern of partial discontinuity while remaining in place.

In Osteochondritis dissecans, lesions are described by stability and how much of the subchondral fragment has detached. Grade II specifically means the osteochondral fragment has a fissure with partial discontinuity, but the fragment remains attached to the surrounding bone, so the lesion is stable rather than completely displaced. This partial separation distinguishes it from more advanced stages where the fragment becomes unstable or completely detached (a loose body). The other descriptions don’t fit because an unstable, fully detached fragment would be a more severe stage, a loose body implies complete detachment, and a non-symptomatic lesion wouldn’t present with a grade II pattern of partial discontinuity while remaining in place.

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