Increasing Thyroid Cancer Incidence in Oman: A Joinpoint Trend Analysis.

Objectives: We sought to investigate the epidemiology of thyroid cancer and its trends in Oman over a 20-year period.

Methods: We analyzed all cases of primary thyroid cancer reported to the Oman National Cancer Registry between 1996 and 2015. Age-standardized incidence rates (ASR) were calculated using the World Standard Population.