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(
A
and
B
) The computed tomography (CT) scans show the intra-articular bony fragment which caused the nonconcentric reduction of the left hip.
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Because the postreduction AP view of his left hip showed a nonconcentric reduction, a computed tomography (CT) scan ( Figs. 1A and B ) and a magnetic resonance imaging (MRI) ( Figs. 2A and B ) of his left hip were performed.
Small intra-articular osteochondral fragment, which was detached from the femoral head.
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We were able to identify an osteochondral fragment in the fovea attached to the posterior labrum complex ( Fig. 3 ).
(
A
,
B
, and
C
) Intraoperative images showing the enfolded labrum, which was reduced with careful manipulation with a hook. The labral complex was stable after reduction.
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Furthermore, we were able to manipulate the posterior labral complex with a hook until it was unfolded ( Figs. 4A-C ).
Anteroposterior (AP) radiograph shows the concentric reduction of the hip after arthroscopic treatment.
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Postoperatively concentric hip reduction was confirmed with an AP radiograph of the left hip ( Fig. 5 ).