The Eighth Report of Fukushima Prefecture Health Management Survey was released on September 11, 2012.
The thyroid examination section of the survey is shown in this link.
It contains new thyroid examination results from the first five months of Fiscal Year Heisei 24 (FYH24), from April 1 through August 24, 2012. The results revealed that 18,358 (43.12%) of 42,060 children, mostly from Fukushima-city, Fukushima, had thyroid ultrasound abnormalities. Together with 38,114 children (13,645 or 35.8% had thyroid ultrasound abnormalities) tested in the last half of Fiscal Year Heisei 23 (FYH23) from October 2011 through March 2012, a total of 32,003 (40.0%) of 80,174 Fukushima children have been found to have ultrasound abnormalities....