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  • Title: Survival after therapy for pediatric ependymoma in a tertiary care center in Saudi Arabia.
    Author: Shah SN, Al-Dandan SW, Shuja M, Balbaid A, Bashir M, Alharbi M.
    Journal: Ann Saudi Med; 2020; 40(6):482-490. PubMed ID: 33307736.
    Abstract:
    BACKGROUND: There is limited data from Saudi Arabia on the demographic characteristics, outcomes and effectiveness of different treatment modalities in children with intracranial ependymoma. OBJECTIVE: Study the characteristics of pediatric ependymoma and outcomes of treatment modalities in Saudi Arabia. DESIGN: Retrospective. SETTING: Tertiary care center. PATIENTS AND METHODS: Children with intracranial ependymoma who were younger than 14 years of age and treated between 2006 and 2015 were included in the study. Patients with prior radiation, chemo-therapy, or surgical resection at other centers were excluded. MAIN OUTCOME MEASURES: Kaplan-Meier survival curves were used to estimate the event-free (EFS) and overall survival (OS) rates of the patients. SAMPLE SIZE: 22. RESULTS: Of the 22 children, 4 (18.2%) were less than three years old. All intracranial ependymomas had upfront surgical resection of the primary tumor. Gross total resection was achievable in 9 (42.9%) cases and subtotal resection in another 9 (42.9%). Near-total resection was done in 3 (14.3%) cases. Median time from surgery to start of radiotherapy was 62 days. RT was given to 17 (77.3%) patients. Both mean and median RT dose was 55.8 Gy. Only 5 (22.7%) of the children received chemotherapy. The median duration of follow-up was 5.38 years and the median time for EFS was 2.27 years. The cumulative OS rate of the study was 44.5%. The cumulative EFS survival rate of the study was 18.6%. Among demographic, pathological, radiological features, none had a statistically significant effect on the survival. CONCLUSIONS: The outcomes are comparable to those reported by international investigators for similar populations. Further improvements can be achieved by avoiding delays in radiation therapy and adding molecular staging. LIMITATIONS: The limited number of cases, retrospective nature, lack of molecular biology and size of the tumors. CONFLICT OF INTEREST: None.
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