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Case Reports
. 2018 Jul;100(6):e150-e153.
doi: 10.1308/rcsann.2018.0075. Epub 2018 Apr 25.

Severe heterotopic ossification following total knee replacement

A Brown  1 , R D Banerjee  1
Affiliations
Case Reports

Severe heterotopic ossification following total knee replacement

A Brown et al. Ann R Coll Surg Engl. 2018 Jul.

Abstract

We present a case of severe heterotopic ossification following a primary total knee replacement, which was complicated by a severe intraoperative anaphylactic reaction, and the successful treatment by revision to a rotating platform hinged implant, 32 months following the index procedure.

Keywords: Anaphylaxis; Heterotopic ossification; Stiffness; Total knee replacement.

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Figures

Figure 1
Figure 1
Preoperative plain radiograph of the right knee
Figure 2
Figure 2
Five-month postoperative plain radiographs showing development of heterotopic ossification
Figure 3
Figure 3
Fifteen months following index procedure, showing established heterotopic ossification (although not applicable to total knee arthroplasty, the pattern of ossification is similar to Brooker 2 for the hip). There is also evidence of lysis around the femoral flange and anterior tibia
Figure 4
Figure 4
Nuclear medicine bone scan, early (right) and late (left)
Figure 5
Figure 5
One year following revision with Stanmore hinged prosthesis
See this image and copyright information in PMC

References

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    1. Thienpont E, Schmalzried T, Bellemans J. Ankylosis due to heterotopic ossification following primary total knee arthroplasty. Acta Orthop Belg 2006; (4): 502–506. - PubMed
    1. Farid YR, Thakral R, Finn HA. Low-dose irradiation and constrained revision for severe, idiopathic, arthrofibrosis following total knee arthroplasty. J Arthroplasty 2013; (8): 1,314–1,320. - PubMed

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