小脑脑桥角的上皮样囊肿主要为 先天性胆脂瘤 ( congenital cholesteatoma )，发生在颅骨（尤其是颞骨）的上皮性囊肿，系胚胎神经沟两侧外胚层迷走上皮遗留演变而成。
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Congenital middle ear cholesteatoma 中耳先天性胆脂瘤
Methods a review of documents and 3 cases of congenital cholesteatoma in children were analysed.
方法通过复习文献并对3例儿童中耳胆脂瘤的临床表现进行分析。
Objective to investigate the clinical feature and early diagnosis of congenital cholesteatoma in children.
目的探讨儿童先天性胆脂瘤的临床特征及早期诊断。
Objective: the congenital cholesteatoma of the temporal bone is a rarer disease which might easily be misdiagnosed and wrongly treated.
目的：通过对5例颞骨先天性胆脂瘤的资料分析，探讨其误诊原因。
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