Abstract
High-quality cancer registry data are essential for assessing trends in incidence rates. This study evaluated the consistency of brain tumor surveillance data using a random sample of cases from the Connecticut Tumor Registry. Three neuropathologists independently and blindly reviewed tumor slides from 204 cases and a nosologist blindly reviewed and assigned International Classification of Diseases for Oncology (ICD-O) codes to 326 cases. For the pathology review, absolute concordance was as high as 81% for all primary brain tumors. Absolute concordance rates were high for nerve sheath (89%), meningioma (95%), and pituitary (95%) tumors. Rates were much lower for malignant tumors. ICD-O coding of malignant brain tumors is of relatively high quality with the exception of mixed gliomas and unspecified tumors. A high level of consistency for nonmalignant brain tumor diagnoses suggests that rates for these tumors, when actively reported to a surveillance system, can be of high quality.
Original language | English (US) |
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Pages (from-to) | 85-93 |
Number of pages | 9 |
Journal | Neuroepidemiology |
Volume | 23 |
Issue number | 1-2 |
DOIs | |
State | Published - 2004 |
Keywords
- Cancer registry
- Diagnosis
- Nosology
- Pathology
- Primary brain tumor
ASJC Scopus subject areas
- Epidemiology
- Clinical Neurology