The results of 37 cases of rectum and sigmoid CT scan with water as contrast agent were reported, Of which 14 were normal, 23 were rectal or sigmoid carcinoma proved by operation and pathology.

• 本文报告了用水作灌肠造影剂的直肠及乙状结肠CT检查37例,其中14例为正常对照,23例为经手术病理证实的直肠或乙状结肠癌。