Journal of Capital Medical University ›› 2019, Vol. 40 ›› Issue (6): 921-926.doi: 10.3969/j.issn.1006-7795.2019.06.020

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Clinical features and outcome regarding head and neck non-rhabdomyosarcoma soft tissue sarcoma in children

Duan Chao1, Wang Shengcai2, Jin Mei1, Zhang Dawei1, Zhao Wen1, Wang Xisi1, Zhao Qian1, Tai Jun2, Zhang Jie2, He Lejian3, Zhang Jianguo4, Ni Xin2, Ma Xiaoli1   

  1. 1. Beijing Key Laboratory of Pediatric Hematology Oncology;National Key Discipline of Pediatrics, Ministry of Education;Hematology Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China;
    2. Department of Head and Neck Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China;
    3. Department of Pathology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China;
    4. Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing 100081, China
  • Received:2019-02-15 Online:2019-11-21 Published:2019-12-18
  • Supported by:
    This study was founded by Special Fund of The Pediatric Medical Coordinated Development Center of Beijing Municipal Administration of Hospitals (XTYB201803)

Abstract: Objective The purpose for this study was to explore the clinical presentation, treatment, survival and risk factors of head and neck non-rhabdomyosarcoma soft tissue sarcoma (NRSTS) in pediatric patients. Methods The clinical data of head and neck NRSTS patients diagnosed between Oct.2012 and Feb.2018 were retrospectively studied. Clinical features, treatment and outcomes were analyzed. Results Eleven patients were enrolled in this study, including 7 boys and 4 girls, with a median age of 5.6 years. Including malignant rhabdoid tumors(n=3),synovial sarcoma(n=2), fibrosarcoma(n=3), malignant neurilemmoma(n=1), undifferentiated small round cell sarcomas with CIC-DUX4 fusion (n=1), and undifferentiated small round cell sarcomas (n=1). The primary site of the tumor including neck (n=4), scalp and facial soft tissue (n=3), oral cavity and oropharynx(n=3), and fossae infratemporalis (n=1). The diameter of the tumor ≥ 5 cm(n=6),<5 cm(n=5). Six patients had local lymph node metastasis, and 3 patients had distant metastasis. All patients(n=11) received systemic chemotherapy, radiation therapy was carried out in 3 patients, 4 patients received 125I particle implantation, 4 patients did not receive any adjuvant radiation. Surgery was performed in 5 patients, and 6 patients only received biopsy. The follow-up time was 10-78 month, and median follow-up time was 19 month. The estimated mean survival time was (64.7±6.9) month (95%CI:51.1-78.2%). The 1-year overall survival was (88.9±10.5)%. Conclusion In this series, most of the pediatric head and neck NRSTS are nonmetastatic, and the short-term outcome is favorable. 125I particle implantation is effective for local control, and improved systemic therapies are needed for patients with metastatic disease.

Key words: children, head and neck, non-rhabdomyosarcoma soft tissue sarcoma, malignant rhabdoid tumor, undifferentiated small round cell sarcomas with CIC-DUX4 fusion

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