Abstract
Aim: The purpose of this study is to look into the prevalence of thyroid cancer in Azerbaijan's endemic and non-endemic regions, as well as the effect of unmanaged iodine prophylaxis on the development of thyroid cancer. Material and methods: The study includes 352 patients who were treated operatively for nodular goiter between 2015 and 2022. Patients were separated into two groups based on endemic (n=126) and non-endemic (n=226) regions, as well as two subgroups based on the number of nodules in the thyroid: single nodule (169) and multinodule (183). Thyroid cancer was discovered in 20 patients (15.9%) in the endemic zone (p=0259). Malignancy was found in 11 (8.7%) of single-nodular goiter (SNG) patients and 9 (7.1%) of multi-nodular goiter (MNG) patients (p=0,259): 19 (15.1%) had the classic variation of papillary cancer and 1 (0.8%) had the follicular variant of papillary cancer. Cancer was discovered in 47 cases (20.8%) (p=0.259) in non-endemic regions: malignancy was detected in 23 (10.2%) cases of MNG patients and in -24 (10.6%) of SNG patients. In non-endemic areas, 2 patients (0.7%) had follicular cancer, 36 (15.9%) had the classic type of papillary cancer, 7 (3.1%) had microcarcinoma, and 2 (0.9%) had medullary cancer (p=0,220). Results: Although there was a decrease in the frequency of incidence of goiter disease in general in endemic regions due to the prohibition of iodized table salt, an increase in the frequency of occurrence of MNG (56.4%) was noted. Thyroid malignancy have been identified in 15.9% of endemic nodular goiter patients and 20.8% of non-endemic nodular goiter patients. The significant percentage increase in papillary carcinoma in our region study was consistent with the literature. Conclusions: According to data collected in endemic areas, the use of unregulated iodine prophylaxis resulted in a decrease in the prevalence of follicular carcinoma while increasing the frequency of papillary carcinoma. The prevention of iodized table salt under the conditions of sanitary-epidemiological follow-up under the control according to the endemic characteristics of the regions can lead to a decrease in the risk of follicular cancer
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