Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2026
Incidence and survival of epithelial salivary glands cancer by tumor site and histology in Tarragona and Girona, Catalonia, Spain.
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Rubió-Casadevall Jordi, Trallero Jan, Puigdemont Montserrat, Carulla Marià, Mangues Júlia, Sanvisens Arantza, Ameijide Alberto, Romaguera Aina, Vila Anna Vidal, Pla Claudia, Marruecos Jordi, Marcos-Gragera Rafael, Galceran Jaume
Аннотация
INTRODUCTION: Malignant neoplasms of the salivary glands are a heterogeneous group of cancers that include more than 24 malignant histological types in the salivary glands, with different genetic, morphological, and immunohistochemical features and clinical behavior.
MATERIALS AND METHODS: A retrospective population-based analysis of salivary gland cancers diagnosed between 1994 and 2018 was performed, using data from the Girona and Tarragona cancer registries. Crude incidence rates, European and world-age-standardized incidence rates and incidence trends, measured as the annual percentage change, were estimated. Observed and net survival at 5 and 10 years and 10-y/5-y conditional survival were calculated. The analysis was focused on histological type.
RESULTS: A total of 301 cases were recorded in the provinces of Girona and Tarragona during 1994-2018, of which 51.5% were in men and 76.1% in the parotid salivary gland. The most common histology type was the squamous cell carcinoma (17.9%) followed by the mucoepidermoid carcinoma (16.9%). Incidence was 9.2 cases per 1,000,000 person-years for all salivary gland tumors. A decrease in incidence for all cases and in most of the histology types specifically, was observed. For the cohort, the 10-year observed and net survival rates were 37.3 and 55.5%, respectively. Acinar cell carcinoma was the histology with better prognosis at 10 years.
CONCLUSION: A decrease in the overall incidence of cases has been observed, which may be due to better diagnostic or registration accuracy along with changes in exposure to etiological factors such as smoking. Net survival at 10 years was 55.5% for the entire cohort.
MATERIALS AND METHODS: A retrospective population-based analysis of salivary gland cancers diagnosed between 1994 and 2018 was performed, using data from the Girona and Tarragona cancer registries. Crude incidence rates, European and world-age-standardized incidence rates and incidence trends, measured as the annual percentage change, were estimated. Observed and net survival at 5 and 10 years and 10-y/5-y conditional survival were calculated. The analysis was focused on histological type.
RESULTS: A total of 301 cases were recorded in the provinces of Girona and Tarragona during 1994-2018, of which 51.5% were in men and 76.1% in the parotid salivary gland. The most common histology type was the squamous cell carcinoma (17.9%) followed by the mucoepidermoid carcinoma (16.9%). Incidence was 9.2 cases per 1,000,000 person-years for all salivary gland tumors. A decrease in incidence for all cases and in most of the histology types specifically, was observed. For the cohort, the 10-year observed and net survival rates were 37.3 and 55.5%, respectively. Acinar cell carcinoma was the histology with better prognosis at 10 years.
CONCLUSION: A decrease in the overall incidence of cases has been observed, which may be due to better diagnostic or registration accuracy along with changes in exposure to etiological factors such as smoking. Net survival at 10 years was 55.5% for the entire cohort.