case_images: PMC3367474_01
case_images: Pelvis AP identifying the migration of the reinforcement
  hook into the pelvis.
case_images: TOORTHJ-6-215_F1.jpg
case_images: PMC3367474_01_TOORTHJ-6-215_F1.jpg
case_images: F1
case_images: There was no evidence of stem loosening or migration noted (Figs. 1, 2).
case_images: Lateral view preoperative.
case_images: TOORTHJ-6-215_F2.jpg
case_images: PMC3367474_01_TOORTHJ-6-215_F2.jpg
case_images: F2
case_images: There was no evidence of stem loosening or migration noted (Figs. 1, 2).
case_images: Conventional CT scan preoperatively without contrast
  agent.
case_images: TOORTHJ-6-215_F3.jpg
case_images: PMC3367474_01_TOORTHJ-6-215_F3.jpg
case_images: F3
case_images: Based on these findings and particularly the position of the anchoring hook and close proximity to intrapelvic structures, a CT scan was performed (Fig. 3).
case_images: (a-d) CT with contrast agent which clearly identifies the anatomic relation between the hook and the urether within the contrast
  flow.
case_images: TOORTHJ-6-215_F4.jpg
case_images: PMC3367474_01_TOORTHJ-6-215_F4.jpg
case_images: F4
case_images: No other relevant soft tissue encroachment was noted and an appropriate pre-operative plan was performed accordingly (Figs. 4, 5).
case_images: A further 3-D reconstruction and scrolling throughout all
  slices allows the surgeon to clearly rule out a complete bracing of
  the hook around the urether.
case_images: TOORTHJ-6-215_F5.jpg
case_images: PMC3367474_01_TOORTHJ-6-215_F5.jpg
case_images: F5
case_images: No other relevant soft tissue encroachment was noted and an appropriate pre-operative plan was performed accordingly (Figs. 4, 5).
case_images: Pelvis AP final result with a complete reinforcement ring
  and combined allograft impaction grafting to stabilise the all-polyethylene
  cup.
case_images: TOORTHJ-6-215_F6.jpg
case_images: PMC3367474_01_TOORTHJ-6-215_F6.jpg
case_images: F6
case_images: Leg lengths and soft tissue tensioning was restored using an additional long neck and off set variation (Fig. 6).