PMC4201023_01
Anteroposterior view of pelvis with both hips showing left hip coxarthrosis.
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She had left hip coxarthrosis [Fig. 1].
Anteroposterior and lateral view of total hip replacement.
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Postoperative radiographs showed inclination of the cup 45  on anterior posterior view and anteversion 24  on the lateral view [Fig. 2].
Anteroposterior and lateral view of dislocation of total hip.
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The hip dislocated anteriorly, postoperative three months during standing position while walking, and was confirmed by radiography [Fig. 3].
Lateral view of dislocated revised hip and post-relocation of dislocation.
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After episode of anterior dislocation with constrained liner [Fig. 4], the relevant pelvic parameters were studied but only open reduction with exchange of constrained polyethylene liner was done because patient's guardian refused re-revision of second acetabular cup.
Sacral tilt and measured acetabular tilt in standing and supine positions.
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STAR version 5, Infinitt, Seoul Korea). ST measured in supine and standing position was 49  and 16  and MAT in supine and standing position was 25  and 60  respectively [Fig. 5].