近来资料报道,缺碘病区存在一定数量以智力低下为主要表现的地方性亚临床型克汀病人(简称亚克汀)。而在高碘病区有否“亚克汀”存在,尚无报道。作者在山东缺碘病区(水碘0.2～40μg/L) Recent data reports, there is a certain number of iodine deficiency ward to mental retardation as the main manifestation of endemic subclinical cretinism patients (referred to as acctin). In the high iodine ward there is no “acctatin” exists, there is no report. The author in Shandong iodine deficiency area (water iodine 0.2 ~ 40μg / L)