239.ACR Neuro Learning File

10-year-old female with history of hemicolectomy for carcinoma of the colon with headache, back and leg pain.   

病史：10岁，女性，曾因结肠癌行部分结肠切除术，伴头痛、背痛、腿痛症状。

Fig 1

Contrast-enhanced axial T1-weighted image of the brain at the level of the midbrain shows extensive leptomeningeal enhancement (arrows in Fig 1A) of the folia of the superior cerebellum and the interpeduncular cistern.

图一：中脑层面T1轴位增强，可见小脑上方和脚间池软脑膜广泛强化。

Fig 2

Contrast-enhanced midline sagittal T1-weighted image of the thoraco-lumbar spine  shows thick, intense enhancement (arrows in Fig 2A) of the surface of the lower spinal cord and conus medullaris.

图二：胸腰椎T1增强矢状位可见脊髓和脊髓圆锥表面厚层、明显强化影。

Fig 3

Consecutive contrast-enhanced axial T1-weighted images of the spinal cord at the level of the conus medullaris demonstrate intense surface enhancement around the spinal cord and adjacent nerve roots.      

图三：脊髓T1增强连续横断位脊髓圆锥层可见脊髓邻近神经根明显强化。

Notes:

1. hemicolectomy [ˌhemɪkə'lektəmɪ] n. 部分结肠切除术

2. leptomeningeal [leptɒmenɪn'ɡi:l] 软脑膜的

3. folia ['foʊli:ə] n. 薄层(folium的复数)

4. interpeduncular [ɪntɜ:rpɪ'dʌŋkjʊlər] [脑]脚间的

5. cistern [ˈsɪstərn] n. 池

6. thoraco-lumbar 胸腰椎

7. conus ['kɔnəs] 圆锥

8. medullary ['medəˌlerɪ] adj. 髓质的，骨髓的，脊髓的; 髓样癌