Analysis of computer aided diagnosis system for lung cancer based on helical CT images

摘要

Chest CT images obtained by helical CT scanner have drawn a great interest in the detection of suspicious regions. However, mass screening based on helical CT images leads to a considerable number of images to be diagnosed. For the solution, we have developed a computer aided detection (CAD) system. In July 1997, we started the comparative trial using the CAD system prospectively. For the purpose, we show the CAD system can detect tumor candidates from helical CT images. And we analyze the nodules of definite diagnosis.