Clinical features and outcomes of primary bone and soft tissue sarcomas in adolescents and young adults
- Kazuhiko Hashimoto
- Shunji Nishimura
- Naohiro Oka
- Masao Akagi
Affiliations: Department of Orthopaedic Surgery, Kindai University Hospital, Osaka‑Sayama, Osaka 589‑8511, Japan
- Published online on: February 4, 2020 https://doi.org/10.3892/mco.2020.1994
Copyright: © Hashimoto
et al. This is an open access article distributed under the
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The aim of the present study was to investigate the clinical outcomes of adolescents and young adults with bone and soft tissue sarcomas. Records of seven male and six female patients aged 17‑39 years with bone or soft tissue sarcomas were reviewed retrospectively; data on histology, size, location, grade/stage, treatment, recurrence, presence of metastasis, and prognosis were retrieved. Five‑year survival rates were estimated using the Kaplan‑Meier method and were compared according to age, sarcoma type, histological grade, and location. Seven and six patients had bone and soft tissue sarcomas, respectively. In terms of histology, patients with bone sarcomas included four with osteosarcoma, two with chondrosarcoma, and one with Ewing sarcoma of the bone. Of those with soft tissue sarcomas, three had liposarcomas, two had synovial sarcomas, and one each had Ewing sarcoma and leiomyosarcoma. The five‑year survival rate of the cohort was 57.1%. Younger patients with sarcoma had poorer survival than older patients. Patients with high‑grade sarcomas also had poorer survival than those with low‑grade tumors. In addition, patients with trunk‑located tumors had poorer survival than those with tumors in the extremities. These findings suggest that, younger adolescents and young adults with high‑grade or trunk‑located sarcomas require more aggressive treatment.