PMC5974678_01
Pre-operative anteroposterior (a) and lateral (b) hip radiographs illustrating the detached constrained liner.
JOCR-8-53-g001.jpg
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F1
Pre-operative radiographic analysis revealed disengagement and inferior migration of the constrained liner, with suspicion of a fragmented polyethylene liner superolaterally (Fig. 1).
Post-operative anteroposterior (a) and modified lateral (b) hip radiographs. A longer femoral neck component and corrected orientation of the recemented liner are observable as compared to pre-operative radiographs.
JOCR-8-53-g002.jpg
PMC5974678_01_JOCR-8-53-g002.jpg
F2
Navigation enabled modification of the initial surgical plan, resulting in successful preservation of the primary acetabular cup and stem (Fig. 2).