Introduction: Cement pressurisation is important for the insertion of both the acetabular and femoralcomponents during Total Hip Arthroplasty. Secondary to pressurization the rare phenomenon of unilateral cementincursion into the nutrient foramen has previously been reported. No bilateral case has been reported to date. This has implications both for misdiagnosis of periprosthetic fractures and for medico-legal consequences due to a presumed adverse intra-operative event.

Case Report: We present a case report of a 59 year old, caucasian female who underwent staged bilateral cemented Stanmore Total Hip replacements. The post-operative radiographs demonstrate evidence of bilateral nutrient foramen penetration intra-operatively by standard viscosity cement. The patient suffered no adverse consequences.

Conclusion: In summary, cement extravasation into the nutrient foramen is an important differential to be considered in presence of posterior-medial cement in the diaphysis of femur following total hip replacement. No such bilateral case has been reported.

Keywords: Nutrient Foramen, Total Hip Arthroplasty, Cement, Polymethyl methacrylate.

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