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Epidemiology and Prognosis of Pheochromocytoma/Paraganglioma in Korea: A Nationwide Study Based on the National Health Insurance Service
Article de En | WPRIM | ID: wpr-816617
Bibliothèque responsable: WPRO
ABSTRACT
BACKGROUND@#Pheochromocytomas and paragangliomas (PPGLs) are rare endocrine tumors originating from chromaffin cells. PPGLs are associated with a high mortality rate and several complications. To date, no epidemiological studies have been conducted on PPGLs in Asia. This study aimed to investigate the epidemiology and prognosis of PPGLs in Korea using nationwide data.@*METHODS@#Using the National Health Insurance Service Database, subjects with a principal diagnosis of PPGLs on two or more occasions between 2003 and 2014 who satisfied the operational definition of PPGLs were included. Incidence, prevalence, complications, metastasis, and mortality were investigated.@*RESULTS@#In total, 1048 subjects with a mean age of 47.6±16.1 years were included. There was no sex preponderance. The overall prevalence of PPGLs was 2.13 per 100,000 persons, and the overall age-standardized incidence rate was 0.18 per 100,000 person-years. Malignant PPGLs accounted for 17.7% (185 of 1,048) of cases, and 94 subjects exhibited metastasis at the time of diagnosis. Among initially non-metastatic PPGLs, 9.5% (nine of 954) eventually metastasized after a mean duration of 78.1±41.4 months. The 5-year survival rates for non-metastatic and metastatic PPGLs at diagnosis were 97% and 84%, respectively. Multivariable Cox regression models adjusted for covariates showed that metastatic PPGLs were associated with a 2.40-fold higher risk of mortality than non-metastatic PPGLs (95% confidence interval, 1.38 to 4.17; P=0.002).@*CONCLUSION@#PPGLs are rare in Korea, and the prognosis of these endocrine tumors varies depending on whether they are benign or malignant. This epidemiological study paves the way for further research on PPGLs.
Texte intégral: 1 Indice: WPRIM Type d'étude: Diagnostic_studies / Incidence_studies / Observational_studies / Prevalence_studies / Prognostic_studies / Screening_studies langue: En Texte intégral: Endocrinology and Metabolism Année: 2020 Type: Article
Texte intégral: 1 Indice: WPRIM Type d'étude: Diagnostic_studies / Incidence_studies / Observational_studies / Prevalence_studies / Prognostic_studies / Screening_studies langue: En Texte intégral: Endocrinology and Metabolism Année: 2020 Type: Article