Fukushima thyroid examination May 2015: 103 Thyroid cancer cases confirmed, 5 in the second-round screening — Fukushima Voice version 2e

All of the following information is from Fukushima Voice version 2e. Thank you Dr. Yuri Hiranuma for your dedicated work in helping to make this information available.

” The Nineteenth Prefectural Oversight Committee for Fukushima Health Management Survey convened in Fukushima City, Fukushima Prefecture, on May 18, 2015, releasing the latest results of thyroid examination, consisting of Initial Screening or the first-round screening (originally scheduled to be conducted from October 2011 to March 2014, but actually still ongoing) and Full-Scale Screening or the second-round screening (beginning April 2014). It has been 3 months since the last committee meeting on February 12, 2015, and the latest results include 3 more months worth of data confirmed as of March 31, 2015.

An official English translation of the results will be available here. ”

Below is a summary of the results for the Initial Screening and Full-Scale Screening. All numbers shown below are from the data analysis as of March 31, 2015. Please visit Fukushima Voice version 2e to read an excellent analysis and synthesis of the screenings’ data and view an unofficial translation of selective tables from the results.

Initial Screening (October 2011 – ongoing)Total number targeted: 367,685 Number of participants in primary examination: 299,543 Number with confirmed results: 299,233

• A1   154,018 (51.5%) (no nodules or cysts found)
• A2   142,936 (47.8%) (nodules ≦ 5.0 mm or cysts ≦ 20.0 mm)
• B         2,278   (0.8%) (nodules ≧ 5.1 mm or cysts ≧ 20.1 mm)
• C                1   (0.0%) (requiring immediate secondary examination)

(Note: Cysts with solid components are treated as nodules).

Number eligible for secondary examination: 2,279

Number of participants in confirmatory (secondary) examination: 2,096

Number with confirmed results : 2,034

Number of fine-needle aspiration cytology (FNAC): 529

Number suspicious or confirmed of malignancy: 112 (including one case of benign nodules)

Number with confirmed tissue diagnosis after surgery: 99

• 1 benign nodule
• 95 papillary thyroid cancer
• 3 poorly differentiated cancer

Full-Scale Screening (April 2014 – March 2016)

 

Total number targeted: 220,000 in FY2014 (about 385,000 total)

Number of participants in primary examination: 148,027

Number with confirmed results: 121,997

• A1   50,767 (41.6%) (no nodules or cysts found)
• A2   70,187 (57.5%) (nodules ≦ 5.0 mm or cysts ≦ 20.0 mm)
• B       1,043   (0.9%) (nodules ≧ 5.1 mm or cysts ≧ 20.1 mm)
• C              0   (0.0%) (requiring immediate secondary examination)

(Note: Cysts with solid components are treated as nodules).

 

Number eligible for secondary examination: 1,043

Number of participants in confirmatory examination: 593

Number with confirmed results: 491

Number of FNAB: 54

Number suspicious or confirmed of malignancy: 15

Number with confirmed tissue diagnosis after surgery: 5

• 5 papillary thyroid cancer