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Treatment of Osteosarcoma of the Talus With a 3D-Printed Talar Prosthesis
Jihui Huang1, Fengjiao Xie2, Xinyu Tan3
1Surgeon, Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China; Surgeon, Department of Orthopedics, Guangzhou Women and Children's Medical Center, Guangzhou, Guangdong, China.
Abstract:
A 31-year-old male was diagnosed with osteoblastic osteosarcoma of the talus. Limb-salvage surgery for talar osteosarcoma was performed by replacing the intact talus with a 3D-printed talar prosthesis made from medical-grade titanium. The prosthesis had 3 tunnels for simulating the ligaments around the talus. At the last follow-up, the functional and clinical outcomes were excellent. Our patient achieved 93% restoration of the Musculoskeletal Tumor Society functional score as well as a Toronto Extremity Salvage Score of 93 points, and there was no local recurrence or distant metastasis. A 3D-printed talar prosthesis showed excellent functional and clinical outcomes for a patient with osteosarcoma of the talus. A 3D-printed implant is a feasible option for patients with osteosarcoma of the foot.
