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논문 기본 정보

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학술저널
저자정보
김현주 (가천대학교) 이주호 (서울대학교병원) 김영경 (경희의료원) 임도훈 (성균관대학교) 박신형 (경북대학교) 안승도 (울산대학교) 김인아 (서울대학교) 임정호 (차의과학대학교 분당차병원) 정재욱 (전남대학교) 김주영 (국립암센터) 김일한 (서울대학교) 윤홍인 (연세대학교) 서창옥 (연세대학교)
저널정보
대한암학회 Cancer Research and Treatment Cancer Research and Treatment 제55권 제1호
발행연도
2023.1
수록면
41 - 49 (9page)
DOI
10.4143/crt.2021.1514

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PurposeThis multicenter retrospective study aimed to investigate clinical, radiologic, and treatment-related factors affecting survival in patients with newly diagnosed diffuse intrinsic pontine glioma (DIPG) treated with radiotherapy.Materials and MethodsPatients aged <30 years who underwent radiotherapy as an initial treatment for DIPG between 2000 and 2018 were included; patients who did not undergo magnetic resonance imaging at diagnosis and those with pathologically diagnosed grade I glioma were excluded. We examined medical records of 162 patients collected from 10 participating centers in Korea. The patients’ clinical, radiological, molecular, and histopathologic characteristics, and treatment responses were evaluated to identify the prognosticators for DIPG and estimate survival outcomes.ResultsThe median follow-up period was 10.8 months (interquartile range, 7.5 to 18.1). The 1- and 2-year overall survival (OS) rates were 53.5% and 19.0%, respectively, with a median OS of 13.1 months. Long-term survival rate (≥ 2 years) was 16.7%, and median OS was 43.6 months. Age (< 10 years), poor performance status, treatment before 2010, and post-radiotherapy necrosis were independently associated with poor OS in multivariate analysis. In patients with increased post-radiotherapy necrosis, the median OS estimates were 13.3 months and 11.4 months with and without bevacizumab, respectively (p=0.138).ConclusionTherapeutic strategy for DIPG has remained unchanged over time, and the associated prognosis remains poor. Our findings suggest that appropriate efforts are needed to reduce the occurrence of post-radiotherapy necrosis. Further well-designed clinical trials are recommended to improve the poor prognosis observed in DIPG patients.

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