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Updated: Feb 9, 2026

Fracture Apparatus Design and Protocol Optimization for Closed-stabilized Fractures in Rodents
Published on: August 14, 2018
Insufficiency fracture at an osteochondroma bridging the proximal fibula and the tibia: Case report
Akio Sakamoto1, Takeshi Okamoto1, Shuichi Matsuda1
1Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Shogoin, Kawahara-cho 54, Sakyo-ku, Kyoto 606-8507, Japan.
Abstract:
Osteochondromas are benign bone tumors that protrude from underlying bone. A fracture of an osteochondroma is rare, and no insufficiency fractures of an osteochondroma have been reported. A 57-year-old female complained of pain in her proximal leg that increased during walking. A computed tomographic image depicted bridging that had extended to the tibia. An incomplete fracture line was observed at the osteochondroma. The osteochondroma was resected to remove the bridge. The preoperative symptoms disappeared after surgery. It was challenging to diagnose an osteochondroma with an insufficiency fracture because the symptoms varied in accordance with daily activity.
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