Objective:To study the relationship between laminin(LN)and invasion and metastasis of ACC of salivary gland Method: Immunohistochemical ABC method was used in studying the distribution of laminin in 25 cases ACC tissues.

• 目的为研究层粘连蛋白与涎腺腺样囊性癌（ACC）侵袭和转移的关系。 方法用免疫组织化学ABC法，观察25例ACC组织中层粘连蛋白（LN）的表达与分布。