Methods:The contrast study was made on the diagnostic coincidenc e among 33 cases of direct vision biopsy under colonscope,19 cases of pneumobari um double contrast examination,43 cases of spinal CT.

• 方法分别将33例结肠镜直视下活检、19例结肠气钡双重造影检查、43例螺旋CT检查结果与术后病理诊断符合率进行对照。