皮样囊肿生发于胚胎皮肤的外层，它们能够长出头发、牙齿和骨头，即是说来自坯胎外层的任何东西。
Dermoid cysts are derived from the outer layers of embryonic skin, and they are capable of growing hair and teeth and bones, anything that comes from the outer layers of the embryo.
湿角化蛋白不同于表皮囊肿和皮样囊肿的成熟角化鳞状上皮。
"Wet" keratin is different from the mature (orthokeratotic) keratinous squames seen in epidermoid or dermoid cysts.
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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