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Retrospective analysis of treatment outcome of pediatric ependymomas in Korea: analysis of Korean multi-institutional data

 Yeon-Joo Kim  ;  Joo-Young Kim  ;  Do Hoon Lim  ;  Hyeon Jin Park  ;  Jungnam Joo  ;  Ki Woong Sung  ;  Hyung Jin Shin  ;  Seung-Ki Kim  ;  Ji Hoon Phi  ;  Il Han Kim  ;  Kyung Duk Park  ;  Seung-do Ahn  ;  Jinhong Jung  ;  Young Sin Rha  ;  Dong-Seok Kim  ;  Chang-Ok Suh 
 JOURNAL OF NEURO-ONCOLOGY, Vol.113(1) : 39-48, 2013 
Journal Title
Issue Date
Adolescent ; Brain Neoplasms/mortality* ; Brain Neoplasms/therapy* ; Chemotherapy, Adjuvant ; Child ; Child, Preschool ; Combined Modality Therapy ; Disease-Free Survival ; Ependymoma/mortality* ; Ependymoma/therapy* ; Female ; Humans ; Infant ; Kaplan-Meier Estimate ; Korea/epidemiology ; Male ; Neurosurgical Procedures ; Proportional Hazards Models ; Radiotherapy, Adjuvant ; Retrospective Studies ; Treatment Outcome
Pediatric ependymomas ; Radiotherapy ; Age ; Local control ; Overall survival
We analyzed the treatment outcomes of intracranial ependymomas in Korean children aged <18 years. Data for 96 patients were collected from five hospitals. Survival rates were calculated using the Kaplan-Meier method. Log-rank tests for univariate analyses and Cox regression model for multivariate analysis were conducted to identify prognostic factors for survival. The median age of the patients was 4 years (range, 0.3-17.9 years). The median follow-up was 55 months (range, 2-343 months). Age <3 years was an important factor for selecting adjuvant therapy after surgery. Among children aged <3 and ≥ 3 years, adjuvant radiotherapy (RT) was applied to 55 and 84 %, respectively, and adjuvant chemotherapy to 52 and 10 %, respectively. The 5 year local progression-free survival (LPFS), disease-free survival (DFS), and overall survival (OS) rates were 54, 52, and 79 %, respectively. Gross total resection was the most significant prognostic factor for all survival endpoints. Age ≥ 3 years and RT were significant prognostic factors for superior LPFS and DFS. However, the significance of age was lost in multivariate analysis for DFS. LPFS, DFS, and OS were superior in patients who started RT within 44 days after surgery (the median time) than in patients who started RT later in the patients aged ≥ 3 years. Postoperative RT was a strong prognostic factor for intracranial ependymomas. Our results suggest that early use of RT is an essential component of treatment, and should be considered in young children.
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1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiation Oncology (방사선종양학교실) > 1. Journal Papers
Yonsei Authors
Kim, Dong Seok(김동석)
Suh, Chang Ok(서창옥)
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