儿童非转移性尤文肉瘤41例分析

doi:10.7499/j.issn.1008-8830.2309077

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Abstract Objective To summarize the clinical characteristics, treatment outcomes, and prognostic factors of children with non-metastatic Ewing's sarcoma (ES). Methods A retrospective analysis was conducted on the clinical data of 41 children with non-metastatic ES diagnosed and treated at the Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine from January 2010 to December 2018. All patients underwent chemotherapy based on the RMS-2009 protocol of the center, and local treatment such as surgery and/or radiotherapy was performed according to risk grouping. The Kaplan-Meier method was used to calculate the overall survival (OS) and event-free survival (EFS) rates. Univariate prognostic analysis was performed using the log-rank test, and multivariate analysis was conducted with Cox regression. Results Of the 41 children, 21 were male and 20 were female. The median age at diagnosis was 7.7 years (range: 1.2-14.6 years). The median follow-up time for patients with event-free survival was 68.1 months (range: 8.1-151.7 months). As of the last follow-up, 33 patients were in complete remission, and the overall 5-year EFS and OS rates were (78±6)% and (82±6)%, respectively. Univariate analysis by the log-rank test showed that a tumor diameter ≥8 cm, time from diagnosis to start of local treatment ≥16 weeks, and incomplete surgical resection were associated with poor prognosis (P<0.05). Multivariate Cox regression analysis indicated that incomplete surgical resection (HR=8.381, 95%CI: 1.681-41.801, P=0.010) was an independent risk factor for poor prognosis in children with ES. Secondary tumors occurred in 2 cases. Conclusions A comprehensive treatment strategy incorporating chemotherapy, surgery, and radiotherapy can improve the prognosis of children with ES. Poor prognosis is associated with an initial tumor diameter ≥8 cm, while complete surgical resection and early initiation of local treatment can improve outcomes.

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	YUAN Qing
	HAN Ya-Li
	PAN Ci
	TANG Jing-Yan
	GAO Yi-Jin

Key words： Ewing's sarcoma Prognosis Risk Factor Child

Received: 15 September 2023

Corresponding Authors: (Gao Y-J, Email:gaoyijin@scmc.com.cn) E-mail: gaoyijin@scmc.com.cn

Cite this article:

YUAN Qing,HAN Ya-Li,PAN Ci et al. Analysis of 41 cases of non-metastatic Ewing's sarcoma in children[J]. CJCP, 2024, 26(4): 365-370.

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http://www.zgddek.com/EN/10.7499/j.issn.1008-8830.2309077 OR http://www.zgddek.com/EN/Y2024/V26/I4/365

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