随着影像学技术的不断发展 ,脊髓空洞积水症 (Ｓｙｒｉｎｇｏｈｙｄｒｏ ｍｙｅｌｉａ)的诊断已不困难。非离子型造影剂Ｏｍｎｉｐａｑｕｅ脊髓造影后延迟ＣＴ扫描是诊断该病的主要方法之一。现报告 2例如下。例 1:男性 ,5 0岁。双上肢无力、麻木 4年 ,伴痛、温、触觉减退及左 With the continuous development of imaging technology, the diagnosis of syringohydro myelia has not been difficult. Delayed CT scan after non-ionic contrast agent Omnipaque myelography is one of the main methods to diagnose the disease. The following two reports are as follows. Example 1: Male, 50 years old. Upper extremity weakness, numbness 4 years, with pain, warm, tactile diminution and left