Incidence of Primary Spinal Cord, Spinal Meninges, and Cauda Equina Tumors in Korea, 2006-2010
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Purpose Primary spinal cord and appendage tumors (PSCAT) originating from the spinal cord, spinalmeninges, and cauda equina are uncommon. Worldwide, population-based cancer registrydata are mostly based on malignant tumors only, which means few data are available onPSCATs, including non-malignant tumors. Therefore, the objective of this study was toprovide information regarding the incidence of both non-malignant and malignant PSCATsin Korea on a national level. Materials and MethodsIncidence of PSCATs was estimated from cases diagnosed between 2006 and 2010 usingthe National Cancer Incidence Database in Korea. Age-adjusted rates were calculated usingthe world standard population, and male-to-female rate ratios were calculated by histologytype. ResultsOf all PSCATs registered (n=3,312), 86.6% were non-malignant. The overall age-adjustedincidence of PSCATs was 1.08 per 100,000 person-years, with an incidence of 0.99 per100,000 in females and 1.15 in males. The most common site of PSCATs was the spinalcord (83.4%), followed by spinal meninges (16.1%) and cauda equina (0.5%). The mostcommon histological type was neurilemmoma (41.3%), followed by meningiomas(20.1%) and ependymomas (7.6%). Men had significantly higher rates than women forependymomas and lymphomas but had lower rates for meningiomas. ConclusionThis study provides the first population-based analysis of PSCATs in Korea.
Abstract
Purpose Primary spinal cord and appendage tumors (PSCAT) originating from the spinal cord, spinalmeninges, and cauda equina are uncommon. Worldwide, population-based cancer registrydata are mostly based on malignant tumors only, which means few data are available onPSCATs, including non-malignant tumors. Therefore, the objective of this study was toprovide information regarding the incidence of both non-malignant and malignant PSCATsin Korea on a national level. Materials and MethodsIncidence of PSCATs was estimated from cases diagnosed between 2006 and 2010 usingthe National Cancer Incidence Database in Korea. Age-adjusted rates were calculated usingthe world standard population, and male-to-female rate ratios were calculated by histologytype. ResultsOf all PSCATs registered (n=3,312), 86.6% were non-malignant. The overall age-adjustedincidence of PSCATs was 1.08 per 100,000 person-years, with an incidence of 0.99 per100,000 in females and 1.15 in males. The most common site of PSCATs was the spinalcord (83.4%), followed by spinal meninges (16.1%) and cauda equina (0.5%). The mostcommon histological type was neurilemmoma (41.3%), followed by meningiomas(20.1%) and ependymomas (7.6%). Men had significantly higher rates than women forependymomas and lymphomas but had lower rates for meningiomas. ConclusionThis study provides the first population-based analysis of PSCATs in Korea.
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