Functional reconstruction of the knee extension mechanism following wide resection for a prepatellar soft-tissue sarcoma: 
A case report

Hakozaki,Michiyuki; Yamada,Hitoshi; Tajino,Takahiro; Konno,Shinichi

doi:10.3892/ol.2015.2991

May-2015 Volume 9 Issue 5

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May-2015 Volume 9 Issue 5

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Case Report

Functional reconstruction of the knee extension mechanism following wide resection for a prepatellar soft-tissue sarcoma: A case report

Authors:
- Michiyuki Hakozaki
- Hitoshi Yamada
- Takahiro Tajino
- Shinichi Konno
View Affiliations / Copyright

Affiliations: Department of Orthopaedic Surgery, Fukushima Medical University School of Medicine, Fukushima 960‑1295, Japan
Pages: 2095-2098
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Published online on: February 26, 2015

https://doi.org/10.3892/ol.2015.2991
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Abstract

Functional reconstruction following a wide resection for a malignant musculoskeletal tumor is often challenging, particularly for juxta‑articular tumors. The current study describes a novel surgical procedure for the functional reconstruction of the knee extensor mechanism with a pedicle frozen auto‑bone and ‑tendon graft, in a case of prepatellar clear cell sarcoma. The active range of motion of the knee was from 0‑135˚, and the extension muscular strength of the knee was evaluated as 5/5 by a manual muscle test at 14 months post‑surgery (International Society of Limb Salvage score, 73%); this was improved compared with a similar procedure previously described by Muramatsu et al. This procedure must be considered following the wide resection of juxta‑articular malignant musculoskeletal tumors.

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