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  • Title: Outcomes following periacetabular tumor resection: A 25-year institutional experience.
    Author: Ippolito J, Thomson J, Beebe K, Patterson F, Benevenia J.
    Journal: J Surg Oncol; 2020 Oct; 122(5):949-954. PubMed ID: 32596878.
    Abstract:
    BACKGROUNDS AND OBJECTIVES: Following tumor resection involving the acetabulum (periacetabular), various methods of reconstruction exist. The objective of this study was to analyze functional outcomes and complication rates by extent of periacetabular tumor resection, as well as by method of reconstruction. METHODS: Twenty-three patients underwent periacetabular resection for a primary pelvic bone tumor from 1993-2018 at a single institution. Complications were documented and functional outcomes were assessed using the Musculoskeletal Tumor Society (MSTS) scoring system. RESULTS: Mean age was 42.8 ± 22.6 years. Mean follow-up was 107 ± 75 months. MSTS scores were highest in patients with allograft reconstruction (80.2%) and lowest in saddle reconstruction (38.0%). MSTS scores were higher in patients with Type II periacetabular resection alone compared with Type II + additional resection (78.6% vs 60.3%; P = .019). Complications were lower in patients with Type II periacetabular resection alone (75% vs 28.6%; P = .036). Complications were highest following allograft reconstruction (78%) and lowest following hemipelvectomy without reconstruction (20%). CONCLUSION: Patients who underwent allograft/APC or nonsaddle metallic reconstruction experienced the highest functional outcome scores, but also sustained a higher complication rate than patients with hemipelvectomy without reconstruction. Patients with resection of ilium and/or pubis in addition to the periacetabular region had lower functional outcome scores and higher risk for complication.
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