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Case Reports
. 2017:2017:6873484.
doi: 10.1155/2017/6873484. Epub 2017 Nov 27.

Locked Central Fracture Dislocation of the Hip in a Child after Low-Energy Trauma

Alexandre H Nehme  1 , Jack C Daoud  1 , Hicham G Abdelnour  1 , Jad N Bou Mounsef  2 , Ramzi C Moucharafieh  1 , Joseph W Wehbe  1
Affiliations
Case Reports

Locked Central Fracture Dislocation of the Hip in a Child after Low-Energy Trauma

Alexandre H Nehme et al. Case Rep Orthop. 2017.

Abstract

We present the case of a 13-year-old boy who sustained a locked central fracture dislocation of the right acetabulum following a bicycle fall. Immediate external reduction maneuvers under general anesthesia were unsuccessful due to intrapelvic entrapment of the femoral head. Open reduction internal fixation was achieved 48 hours later. After an initial satisfactory postoperative course, the patient ended up developing severe hip osteoarthritis 16 months after the procedure. The rarity of this injury in children is discussed, with its possible implications on joint congruity and potential growth injury.

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Figures

Figure 1
Figure 1
Displaced right acetabular fracture dislocation with anterior column fracture associated with a central migration of the right femoral head.
Figure 2
Figure 2
3D reconstruction showing the medial dislocation with entrapment of the femoral head.
Figure 3
Figure 3
Postoperative AP pelvic X-ray showing adequate open reduction internal fixation.
Figure 4
Figure 4
Medial displacement of both the quadrilateral surface and femoral head resulting in focal joint space narrowing at the superomedial joint surface.
Figure 5
Figure 5
Terminal right hip osteoarthritis.
See this image and copyright information in PMC

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