Association between screening and the thyroid cancer "epidemic" in South Korea: evidence from a nationwide study.

ABSTRACT:

Objective

 To investigate whether screening for thyroid cancer led to the current "epidemic" in South Korea.

Design

 Review of the medical records of nationally representative samples of patients with a diagnosis of thyroid cancer in 1999, 2005, and 2008.

Setting

 Sample cases were randomly selected from South Korea's nationwide cancer registry, using a systematic sampling method after stratification by region.

Participants

 5796 patients with thyroid cancer were included (891 in 1999, 2355 in 2005, and 2550 in 2008).

Main outcome measures

 The primary outcome was age standardised incidence of thyroid cancer and the changes in incidence between 1999 and 2008 according to the methods used to detect tumours (screen detection versus clinical detection versu

SUBMITTER: Park S 

PROVIDER: S-EPMC5130923 | biostudies-literature | 2016 Nov

REPOSITORIES: biostudies-literature