The study on apoptosis of middleearcholesteatoma epithelium has become a hotspot in recent years.
近年来,有关中耳胆脂瘤的发生与细胞凋亡状态的研究受到广泛关注。
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MethodsThe level of PGE2 in 12 middleearcholesteatoma specimens(observed group) and 10 samples of normal external ear canal skin(control group) were examined by RIA method.
Objective To investigate the location, extension, clinical symptom, image features, and operation treatment of the congenital cholesteatoma of middleear.