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Case Reports
. 2014 Feb;76(1-2):203-10.

Intraoperative migration of the trial femoral head into the pelvis during total hip arthroplasty--report of two cases

Kazuma Ikeuchi, Yukiharu Hasegawa, Hideki Warashina, Taisuke Seki
Case Reports

Intraoperative migration of the trial femoral head into the pelvis during total hip arthroplasty--report of two cases

Kazuma Ikeuchi et al. Nagoya J Med Sci. 2014 Feb.

Abstract

Various complications occur during total hip arthroplasty (THA). It is common to implement trial treatments of various implants during THA. Here we report on 2 cases in which the trial femoral head fell into the pelvis and migrated during THA. The trial head was not retrieved but left inside in one case, while the other presented the opportunity for a possible retrieval. It is important to recognize the existence of such rare complications.

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Figures

Fig. 1
Fig. 1
This is an anterior X-ray image of the hip joints before surgery. Narrowing of the cleft between articulations, spur formation and osteoscierosis in the acetabulum were observed, and a diagnosis of osteoarthritis was reached.
Fig. 2
Fig. 2
This is an anterior X-ray image of the hip joints after surgery. The trial head was faintly visible (white arrow).
Fig. 3A
Fig. 3A
This shows the CT after surgery. (coronal image ) The trial femoral head is observed to be inside the iliac muscle of the quadrilateral space within the pelvis. (white arrow)
Fig. 3B
Fig. 3B
This shows the CT after surgery. (axial image) The trial femoral head is found in the quadrilateral space in the posterior inner wall of the right pelvis. (arrow head)
Fig. 4
Fig. 4
This shows an X-ray image 3 years after surgery. The trial femoral head is faintly visible inside the right pelvis. (Arrow head)
Fig. 5
Fig. 5
When anterior joint capsule was resected, the trial head arrived at the pelvic medial wall through the inside of the rectus femoris muscle.
See this image and copyright information in PMC

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