椎管内皮样囊肿的鉴别诊断包括那些含有高脂性的病变，如脂肪瘤和畸胎瘤。
Differential diagnosis of a spinal dermoid includes lesions with high lipid content such as teratomas and lipomas.
同时还对脂肪瘤、脊膜瘤和蛛网膜囊肿的增强CT特征进行了探讨。
The enhanced CT characteristics of the lipoma, meningioma and arachnoid cyst were also discussed.
图5：矢状位颈胸椎T1序列显示蛛网膜下腔多发的点状高信号影，提示来源于破裂的皮样囊肿所致的脂肪沉积。
Figure 5: Sagittal T1W image of the cervicodorsal spine shows multiple hyperintense foci in the subarachnoid space suggestive of fat deposition from dermoid rupture (arrows).
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