Thyroid cancer overdiagnosis revisited

Evidence has accumulated showing that an increase in thyroid cancer incidence reflects overdiagnosis of clinically unimportant lesions due to the rise in the use of neck ultrasonography. In the manuscript we examine the hypothesis that the rise in thyroid cancer incidence in Russia is largely caused by overdiagnosis.Incidence and mortality rates of thyroid cancer for Russia overall and its administrative regions were abstracted from the...