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Cancer Res Treat. 2015 Apr;47(2):166-72. doi: 10.4143/crt.2014.017. Epub 2014 Oct 30.

Incidence of primary spinal cord, spinal meninges, and cauda equina tumors in Korea, 2006-2010.

Cancer research and treatment

Kyu-Won Jung, Kwang Hyon Park, Johyun Ha, Seung Hoon Lee, Young-Joo Won, Heon Yoo

Affiliations

  1. The Korea Central Cancer Registry, Goyang, Korea.
  2. Neuro-Oncology Clinic, National Cancer Center, Goyang, Korea.

PMID: 25544579 PMCID: PMC4398118 DOI: 10.4143/crt.2014.017

Abstract

PURPOSE: Primary spinal cord and appendage tumors (PSCAT) originating from the spinal cord, spinal meninges, and cauda equina are uncommon. Worldwide, population-based cancer registry data are mostly based on malignant tumors only, which means few data are available on PSCATs, including non-malignant tumors. Therefore, the objective of this study was to provide information regarding the incidence of both non-malignant and malignant PSCATs in Korea on a national level.

MATERIALS AND METHODS: Incidence of PSCATs was estimated from cases diagnosed between 2006 and 2010 using the National Cancer Incidence Database in Korea. Age-adjusted rates were calculated using the world standard population, and male-to-female rate ratios were calculated by histology type.

RESULTS: Of all PSCATs registered (n=3,312), 86.6% were non-malignant. The overall age-adjusted incidence of PSCATs was 1.08 per 100,000 person-years, with an incidence of 0.99 per 100,000 in females and 1.15 in males. The most common site of PSCATs was the spinal cord (83.4%), followed by spinal meninges (16.1%) and cauda equina (0.5%). The most common histological type was neurilemmoma (41.3%), followed by meningiomas (20.1%) and ependymomas (7.6%). Men had significantly higher rates than women for ependymomas and lymphomas but had lower rates for meningiomas.

CONCLUSION: This study provides the first population-based analysis of PSCATs in Korea.

Keywords: Epidemiology; Incidence; Korea; Population-based; Primary spinal tumors

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