Aims and objectives
Low-dose computed tomography (CT) screening for lung cancer was first reported in 1996 for early detection of lung cancer. 1 In 2006,
a study suggested that the 10-year survival rate of Stage 1 lung cancer cases,
identified by lung cancer CT screenings,
might approach 90%. 2 Data indicating an approximately 20% decrease in mortality rate were reported in the lung cancer CT examination for a conventional chest radiograph image as a result of a randomized controlled trial by the NLST Team in...
Methods and materials
2.1 Usage facilities for examination site Komazawa University (1-23-1 Komazawa,
Japan) and Shiga University of Medicine (1-1-1 Banba Hikone,
Japan) were used as testing venues for certifying lung cancer CT technologists.
The following three items were set as conditions for facility selection. a.
Possible to accommodate more than 100 people: b.
Setting a PC equivalent to corresponding to examinees (over 100 peoples): and c.
When geographically divided Japan into two...
Results Fig. 5 shows the results of evaluating the correlation between average number of years of experience and pass rates in the written test (Left) and the abnormal finding detection test (Right).
The results of the regression analysis were as follows: Slope value,
0.965; and correlation coefficient R = 0.105 (P-value = 0.71) in the written test; and slope value,
0.355; and correlation coefficient R = 0.558 (P-value = 0.03) in the abnormal finding...
According to the results of the certification exam,
the average score of the written test tended to be high when the experience was low.
The TP and FP values of the abnormal finding detection test were better as the number of years of experience increased.
In order to guarantee and maintain the abnormal findings detection ability of accredited technologists,
it is important to revise the educational system according to current standard practices.
combined use of CAD is expected to...
Ph.D 1-21-1 Toyama Shinjuku Tokyo,
National Center for Global Health andMedicine
Tel: +81-3- 3202-7181
1．Kaneko，M.，Eguchi，K.，Ohmatsu，H.，Kakinuma，R.，Naruke，T.，Suemasu，K.，& Moriyama，N．(1996)．Peripheral lung cancer: screening and detection with low-dose spiral CT versus radiography．Radiology，201(3)，798-802. 2．International Early Lung Cancer Action Program Investigators．(2006)．Survival of patients with stage I lung cancer detected on CT screening．N Engl J Med，2006(355)，1763-1771. 3．National Lung Screening Trial Research Team．"Reduced lung-cancer mortality with low-dose computed tomographic...