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作者应用抗增殖细胞核抗原(PCNA)抗体免疫组织化学方法,研究囊肿壁内衬表皮细胞动态。以牙源性囊肿手术摘除的囊肿壁内衬表皮完整者作为标本。其中根端囊肿和含牙囊肿各20例,始基囊肿及牙源性角化囊肿25例,钙化性囊肿1例。造釉细胞瘤15例和正常牙龈5例作对照。 结果:囊肿内衬上皮及结缔组织的细胞核PCNA略呈阳性,尤其在囊肿衬里上皮的基底细胞及其上的2～3层细胞多见。根端囊肿表现在组织学上炎症反应
The authors used anti-proliferating cell nuclear antigen (PCNA) antibody immunohistochemistry to study the dynamics of cyst-lining epidermal cells. Dentin cyst excision of the cyst wall lined epidermis as a specimen. Among them, there were 20 cases of root cyst and dental cyst, 25 cases of primordial cyst, odontogenic keratocyst and 1 calcified cyst. 15 cases of ameloblastoma and 5 cases of normal gingiva as a control. Results: The cytoplasmic PCNA of cyst lining epithelium and connective tissue was slightly positive, especially in basal cells of cyst lining epithelial cells and 2 to 3 cells above them. Root-shaped cysts appear histologically inflammatory