Case report demonstrates functional knee recovery following 3D-printed tantalum prosthesis implantation in patellar osteoblastoma fracture, highlighting custom reconstruction utility.
Introduction: Osteoblastoma is a rare, benign osteogenic tumor. Among patients with osteoblastoma, a small number initially seek medical treatment for pathological fractures of the patella. Importance: The patella plays a crucial role in the knee joint, contributing significantly to its normal function. Presentation of Case: This report describes the case of a young male patient with patellar osteoblastoma complicated by a pathological fracture that was treated using a 3D-printed, customized, tantalum-alloy patellar prosthesis. Clinical Discussion: Surgical intervention serves as the primary treatment modality for patellar tumors, encompassing both partial and complete resection of the patella. Conclusion: The 2-year follow-up demonstrated satisfactory efficacy, and functional recovery was attained.
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He et al. (2026) studied this question.
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