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Anterior-posterior pelvis radiograph showing marked reduced joint space bilateral hip and Brooker type IV HO in both hips.
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Then, after recovery from his head injury, he developed bilateral hip stiffness and ended up with Booker class IV HO of both hips (Fig. 1).
Axial computed tomographic scan of the pelvis, showing ankylosed bilateral hip.
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Further imaging study with computed tomographic scan and three-dimensional reconstruction of the pelvis was undertaken to assess the joint and HO extension (Figs. 2, 3 ).
Computed tomographic three-dimensional reconstruction of the pelvis, which is visualizing the extent of HO in both hips from front (A) and back (B).
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Further imaging study with computed tomographic scan and three-dimensional reconstruction of the pelvis was undertaken to assess the joint and HO extension (Figs. 2, 3 ).
An 18 months postoperative anterior-posterior radiograph of right hip (A) and left hip (B).
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Postoperatively, the patient received the same protocol for the left hip, including aggressive physiotherapy for both hips, knees, and lower back. (Fig. 4) shows postoperative bilateral THA.