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Locking plate and fibular strut-graft augmentation in the reconstruction of unicameral bone cyst of proximal femur in the paediatric population

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Abstract

Purpose

Several therapeutic strategies have been used for managing unicameral bone cyst (UBC) of the proximal femur. However, there is insufficient evidence to support one treatment over another, and the optimal treatment is controversial. This study aims at describing our experience with surgical reconstruction of paediatric UBCs of the proximal femur using a proximal locking plate and fibular strut allograft.

Methods

In total, 14 consecutive paediatric patients with Dormans types IB (four cases) and IIB (10 cases) UBC were assessed. Mean patient age was 8.6 ± 2.3 years, and mean follow-up period was 41.7 ± 29.8 months. Six patients (42.8%) were referred with a pathologic fracture. Clinical/radiological outcome and complication rates were evaluated at the final follow-up session.

Results

No cysts were Capanna’s class III (recurrence) or IV (no response). Complete healing (Capanna’s class I) was seen in ten cysts, while four other cysts healed with residual radiolucent areas (Capanna’s class II). Mean healing period was 14.1 ± 5.1 (9–24 months). One patient had superficial infection, one heterotopic ossification, and one mild coxa vara, and mean Musculoskeletal Tumor Society (MSTS) score was 99.5%.

Conclusion

According to our results, locking plate and fibular strut graft in Dormans classification types IB and IIB results in a favorable outcome in managing UBC of the proximal femur in the paediatric population.

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Authors and Affiliations

  1. Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Tehran, Iran

    Khodamorad Jamshidi, Masoud Mirkazemi & Alireza Mirzaei

  2. Razavi Cancer Research Center, Research and Education Department, Razavi Hospital, Mashhad, Iran

    Azra Izanloo

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  1. Khodamorad Jamshidi
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  2. Masoud Mirkazemi
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  3. Azra Izanloo
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  4. Alireza Mirzaei
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Correspondence to Alireza Mirzaei.

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Jamshidi, K., Mirkazemi, M., Izanloo, A. et al. Locking plate and fibular strut-graft augmentation in the reconstruction of unicameral bone cyst of proximal femur in the paediatric population. International Orthopaedics (SICOT) 42, 169–174 (2018). https://doi.org/10.1007/s00264-017-3648-2

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  • DOI: https://doi.org/10.1007/s00264-017-3648-2

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