250.ACR GI Learning File

This 66-year-old female presented with abdominal distension and pain.  Supine and upright abdominal radiographs (Fig 1 and Fig 2) should be reviewed first.  What is the diagnosis?  A contrast study (Fig 3) was performed later the same day.   

病史：66岁女性；，肠道扩张伴疼痛。应先观察仰卧和直立位平片。诊断是什么？当天晚些时候行造影检查。

Fig 1 and Fig 2

The two plain radiographs demonstrate a dilated segment of colon in the left upper quadrant.  The upright radiograph shows a single air fluid level in the dilated loop. This dilated loop is the cecum occupying the left upper quadrant.  

图1和图2

平片可见左上腹结肠节段性扩张。腹部直立位平片可见肠管内见气液平。该扩张的肠管为左上腹的盲肠。

Fig 3

A single contrast barium enema shows abrupt blockage (arrow in Fig 3A) at the level of the mid ascending colon.  The distended cecum (C) extends into the left upper quadrant.    

图3

钡剂灌肠可见升结肠中段骤然阻塞。扩张的盲肠延展至左上腹。

Notes:

1. distension [dɪˈstɛnʃən] n. 扩张，膨胀

2. Supine [sjuˈpaɪn, ˈsjuˌpaɪn] adj. 仰卧的

3. loop [lup] n. 回路; 圈，环

4. cecum ['si:kəm] n. 盲肠

5. barium enema [ˈbɛriəm ˈɛnəmə] 钡剂灌肠

来源：每天朗读一段医学影像学英语文章