Journal
BRITISH JOURNAL OF CANCER
Volume 121, Issue 11, Pages 966-972Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41416-019-0606-3
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Funding
- NET Patient Foundation
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BACKGROUND: The diagnosis of neuroendocrine neoplasms (NENs) is often delayed. This first UK population-based epidemiological study of NENs compares outcomes with non-NENs to identify any inequalities. METHODS: Age-standardised incidence rate (ASR), 1-year overall survival, hazard ratios and standardised mortality rates (SMRs) were calculated for all malignant NENs diagnosed 2013-2015 from UK national Public Health records. Comparison with non-NENs assessed 1-year overall survival (1YS) and association between diagnosis at stage IV and morphology. RESULTS: A total of 15,222 NENs were identified, with an ASR (2013-2015 combined) of 8.6 per 100,000 (95% CI 8.5-8.7); 4.6 per 100 000 (95% CI, 4.5-4.7) for gastro-entero-pancreatic (GEP) NENs. The 1YS was 75% (95% CI, 73.9-75.4) varying significantly by sex. Site and morphology were prognostic. NENs (predominantly small cell carcinomas) in the oesophagus, bladder, prostate, and female reproductive organs had a poorer outcome and were three times more likely to be diagnosed at stage IV than non-NENs. CONCLUSION: Advanced stage at diagnosis with significantly poorer outcomes of some NENs compared with non-NENs at the same anatomical site, highlight the need for improved access to specialist services and targeted service improvement.
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