J Bone Metab.  2016 Feb;23(1):45-48. 10.11005/jbm.2016.23.1.45.

Calcaneal Insufficiency Fracture after Ipsilateral Total Knee Arthroplasty

• Jeong M
• Jin JW
• Shin SJ
• Kang BY

• KMID: 2156287
• DOI: http://doi.org/10.11005/jbm.2016.23.1.45

Abstract

Insufficiency fracture of the calcaneus is a rare entity. In the absence of trauma, evaluating a painful ankle in an elderly patient can be difficult and also it might be overlook the insufficiency fracture. We experienced a case of insufficiency calcaneus fracture that occurred after ipsilateral total knee arthroplasty. Here, we report our case with a review of literatures.

Keyword

Arthroplasty replacement knee; Calcaneus; Fractures stress

MeSH Terms

Aged
Ankle
Arthroplasty*
Calcaneus
Fractures, Stress*
Humans
Knee*

Figure

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  Fig. 1 Lateral and axial plain radiographs of the left calcaneus demonstrating radio-opaque irregular line (white arrow) on calcaneal body.

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  Fig. 2 Lateral plain radiographs of the left calcaneus showing clearer radio-opaque line, being parallel to posterior facet of the subtalar joint compared to previous radiograph.

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  Fig. 3 Sagittal T1-weighted image demonstrating two parallel lines with a low signal intensity (A), and T2-weighted image showing high signal intensity in the corresponding lesions (B).

Reference

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