2018
DOI: 10.1093/neuonc/noy124
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Risk of benign meningioma after childhood cancer in the DCOG-LATER cohort: contributions of radiation dose, exposed cranial volume, and age

Abstract: After cranial radiotherapy one in eight survivors developed late meningioma by age 40 years, associated with radiation dose- and exposure age, relevant for future treatment protocols and awareness among survivors and physicians.

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Cited by 43 publications
(37 citation statements)
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“…Radiation induced meningioma (RIM) is defined as a meningioma occurring secondary to radiation treatment that satisfies specific criteria relating to: location of radiation, differing histology from previous malignancy, and at least a 5-year interval period after radiation treatment [1][2][3][4]. Meningiomas are the most common type of brain tumor to occur following cranio-spinal radiotherapy [5], with a one in eight risk of developing a RIM by the age of 40 [6][7][8]. Improvements in childhood and adult cancer survival rates have led to an increased incidence of RIM.…”
Section: Introductionmentioning
confidence: 99%
“…Radiation induced meningioma (RIM) is defined as a meningioma occurring secondary to radiation treatment that satisfies specific criteria relating to: location of radiation, differing histology from previous malignancy, and at least a 5-year interval period after radiation treatment [1][2][3][4]. Meningiomas are the most common type of brain tumor to occur following cranio-spinal radiotherapy [5], with a one in eight risk of developing a RIM by the age of 40 [6][7][8]. Improvements in childhood and adult cancer survival rates have led to an increased incidence of RIM.…”
Section: Introductionmentioning
confidence: 99%
“…First, there was a 40% response rate, though nonparticipants hardly differed from participants. Compared to other studies from the Dutch LATER cohort, survivors of CNS tumors seem to be underrepresented in our study [58]. This may complicate the generalization of our study's findings to all Dutch YACCS.…”
Section: Study Limitationsmentioning
confidence: 59%
“…It is unclear whether the lower cumulative incidence reported here reflects differences in susceptibility to and/or surveillance for benign tumors among retinoblastoma versus other childhood cancer survivors or methodologic differences in the studies. Notably, in the Dutch cohort, meningioma represented the most common benign tumor after childhood cancer, mainly after high-dose, full-volume cranial radiotherapy [ 17 , 18 ]; however, similar treatments are uncommon for retinoblastoma. Additionally, whereas that study based ascertainment on linkage with a database containing results from all pathology examinations in the Netherlands, our study largely relied on directly surveying survivors, with subsequent confirmation of self-reported benign tumors through pathology report review (i.e., from biopsies).…”
Section: Discussionmentioning
confidence: 99%
“…Meningiomas may have been underascertained in this study, given that a substantial proportion of benign meningioma cases are based only on diagnostic imaging and lack histological confirmation (50% in a recent study based on cancer registry data in the US) [ 28 ]. Although radiotherapy for childhood cancer is a well-established risk factor for meningioma [ 18 , 29 , 30 ] and all five hereditary survivors with a meningioma in this study received external beam radiotherapy for their retinoblastoma, the small sample size precluded detailed assessment of meningioma risk factors in this study.…”
Section: Discussionmentioning
confidence: 99%