Epidemiology of adult meningioma in the Netherlands: a population-based study

V. K. Y. Ho, M. M. Anten, A. Garst, E. M. Bos, T. J. Snijders, D. B. P. Eekers, T. Seute

Research output: Contribution to journalMeeting AbstractAcademic


Meningiomas are the most common primary tumours of the central nervous system. As the majority of meningiomas are benign, initial management often consists of observation only. Consequently, estimates on meningioma incidence are generally considered too low, with many registries mainly depending on pathology notifications. With additional notification sources, this study provides more complete population-based estimates on the incidence, prevalence, and prognostic impact of meningioma diagnosis in the Netherlands.

Material and Methods
Data on patients diagnosed with meningioma during 2000-2019 were obtained from the Netherlands Cancer Registry (NCR), which was expanded to the Dutch Brain Tumour Registry (DBTR) for meningiomas as of 2016. In addition to histological confirmations, the NCR/DBTR receives case notifications from hospital administrative registrations on cost reimbursement and outpatient care. In addition, a data linkage was performed with a clinical database maintained by one of the Dutch neuro-oncology centres to evaluate local completeness of the NCR/DBTR. Time trends of the age-adjusted incidence rates were evaluated by calculating the estimated annual percentage change (EAPC). Relative survival rates were calculated using the Pohar-Perme estimator.

From 2000 to 2019, a total of 22,605 cases of meningioma were registered; 11,423 (50.5%) were histologically confirmed, while 11,182 (49.5%) had a radiological diagnosis. Over time, incidence increased from 4.7 per 100,000 inhabitants (European Standardized Rate, ESR) to 10.7 (EAPC 4.6%, p<0.01); the incidence of radiological diagnosis increased from 1.2 to 6.9 per 100,000 ESR (EAPC 9.6%, p<0.01). Local data completeness was estimated at 98% for histologically confirmed meningiomas and 87% for radiological diagnoses. On the basis of these incidence estimates, the prevalence of meningioma is estimated at 105/100,000 on January 1st of 2020, with over 17,500 individuals having had a diagnosis of meningioma at that moment. Relative survival rate at 5 years for grade I meningiomas was 94.8% (95%-confidence interval: 94.0%-95.4%), 84.0% (95%CI: 81.0%-86.5%) for grade II meningiomas, and 47.3% (95%CI: 38.2%-55.8%) for grade III meningiomas.

As the incidence estimates in this study may be considered most complete, the results obtained should approximate the true incidence, prevalence, and prognostic impact of meningioma diagnosis in the Netherlands.
Original languageEnglish
Pages (from-to)ii5
Issue numberS2
Publication statusPublished - 5 Sept 2022


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