Computer-assisted surgery is a rapidly expanding field that enables improved intra-operative accuracy compared to the freehand surgical techniques currently utilized. It has been researched and developed for a wide array of surgical fields including Orthopaedic Surgery, Otolaryngology, Craniomaxillofacial Surgery, Spinal Surgery, Neurosurgery and Urology. Its use in Orthopaedic Oncology dates back to 2004, with rapid developments that have led to the ability to accurately and reliably plan resection planes with safe oncologic margins around malignant bone tumors. The purpose of this article is to provide an introduction to the topic of computer-assisted surgery, and to give a perspective on the current state and the future developments of this technology in the subspecialty of Orthopaedic Oncology. Further, the article provides a brief overview of the local work that has been done in this field in Toronto as part of the Guided Therapeutics (GTx) group at University Health Network (UHN) and Mount Sinai Hospital.
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