Objective To observe the appearance of pneumoconiosis on spiral CT(SCT) and high resolution CT(HRCT),to investigate the value of SCT in Combination with HRCT was helpful in diagnosis of pneumoconiosis.

• 目的:观察尘肺在螺旋CT(SCT)及高分比率CT(HRCT)的表现,探讨两者的结合应用对提高尘肺诊断的价值。