Keywords ACTH-secreting pituitary adenomas;Cytokeratin 7;Cytokeratin 20;Immunohistochemistry;Invasive pituitary;adenomas;

• 垂体ACTH腺瘤;细胞角蛋白7;细胞角蛋白20;免疫组化法;侵袭性垂体腺瘤;