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Epidemiological Aspects of Malignant Tumor of Thyroid Gland in Guayaquil

Abstract:

Introduction: Thyroid gland neoplasia has increased globally and affects mostly women. Objective: To determine the epidemiological aspects of malignant tumor of the thyroid gland in the city of Guayaquil. Methods: Observational, descriptive and population-based study carried out using information from the registry of population tumors in the city of Guayaquil between 2001 and 2015. Descriptive statistical indicators were used for the analysis. Results: According to the five-year characterization of malignant tumor of the thyroid gland in women during the period 2001-2005, there was 83% of cases; between 2006 and 2010, 80%; and between 2011 and 2015, 82%. In men, it was 17%, 20% and 18%, respectively; at a ratio of five to one in women versus men. The majority of cases appeared in women in the age group 65-69 years and in the three study periods, with the highest rate between 2011 and 2015, accounting for 38.52 cases per 100 000 population; in 2001, the rate was 3.97; in 2005, 5.16; in 2010, 7.79; and in 2015; 13.38 cases per 100 000 population. Conclusions: Malignant tumor of the thyroid gland in Guayaquil was more frequent in patients aged 65 to 69 years. An increase in the number of cases was corroborated, together with a higher frequency for the female sex, as well as the age group with higher presentation, with an important indicator among young and middle-age adult women.