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Case Report

Finite Element Analysis Could Predict and Prevent a Pathological Femoral Shaft Fracture after En Bloc Resection of a Large Osteoid Osteoma

Department of Orthopedic Surgery, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-Machi, Abeno-Ku, Osaka 545-8585, Japan
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Academic Editor: Cinzia Maspero
Children 2022, 9(2), 158; https://doi.org/10.3390/children9020158
Received: 9 December 2021 / Revised: 24 January 2022 / Accepted: 25 January 2022 / Published: 26 January 2022
(This article belongs to the Section Pediatric Orthopedics)
Osteoid osteoma is a benign tumor. Approximately 20% of these tumors are located in the femur. The tumor primarily occurs in children and is treated by surgical excision or radiofrequency ablation. Recently, bone-tumor resection using three-dimensional (3D) intraoperative imaging with an O-arm in combination with a navigation system has been reported to be effective. However, there is a risk of postoperative fracture because of the weakening of the bone after drilling for tumor resection. A 12-year-old Japanese girl presented with an osteoid osteoma in the left femoral shaft, which resulted in a fracture after en bloc resection and artificial bone grafting using a 3D image-guided (O-arm) assisted navigation system. Orthopedic oncologists should be aware of the risk of fracture. Moreover, they should consider the mechanical risk prediction of bone fracture using finite element analysis prior to treatment. View Full-Text
Keywords: osteoid osteoma; en bloc resection; artificial bone graft; O-arm; fracture; finite element analysis osteoid osteoma; en bloc resection; artificial bone graft; O-arm; fracture; finite element analysis
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MDPI and ACS Style

Iwai, T.; Oebisu, N.; Hoshi, M.; Takada, N.; Nakamura, H. Finite Element Analysis Could Predict and Prevent a Pathological Femoral Shaft Fracture after En Bloc Resection of a Large Osteoid Osteoma. Children 2022, 9, 158. https://doi.org/10.3390/children9020158

AMA Style

Iwai T, Oebisu N, Hoshi M, Takada N, Nakamura H. Finite Element Analysis Could Predict and Prevent a Pathological Femoral Shaft Fracture after En Bloc Resection of a Large Osteoid Osteoma. Children. 2022; 9(2):158. https://doi.org/10.3390/children9020158

Chicago/Turabian Style

Iwai, Tadashi, Naoto Oebisu, Manabu Hoshi, Naoki Takada, and Hiroaki Nakamura. 2022. "Finite Element Analysis Could Predict and Prevent a Pathological Femoral Shaft Fracture after En Bloc Resection of a Large Osteoid Osteoma" Children 9, no. 2: 158. https://doi.org/10.3390/children9020158

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