皮疹仅影响一侧皮肤，病灶分布区域与第5对颅神经（三叉神经）的眼神经分支分布区相一致，基于这些临床特点即可作出诊断。
The diagnosis is made clinically based on the rash affecting only one dermatome associated with the ophthalmic division of cranial nerve V (trigeminal nerve).
偶还可因第VIII颅神经的前庭神经受累而出现眩晕。
Occasionally, the patient may experience vertigo due to involvement of the vestibular component of the VIIIth nerve.
方法：采用胰酶消化法分离小鼠胚胎第8 . 5天的颅神经管，从小鼠颅神经管中游离出来的细胞即为颅神经嵴细胞。
METHODS: cranial neural tubes were dissected from 8.5 day mouse embryo using trypsin digestion and explanted in culture dishes. Cells dissociated from the neural tubes were cranial neural crest cells.
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