每个滤泡含有一个大量快速增殖的B细胞和吞噬细胞的构成的生发中心。
Each follicle contains a germinal center populated by rapidly proliferating B cells and macrophages.
目的：探讨增殖细胞核抗原(pcna)表达与甲状腺滤泡性肿瘤间的关系。
Objective: To study the relationship between the expression of proliferative cell nuclear antigen (PCNA) and follicular tumors of thyroid.
多结节性甲状腺肿低倍镜图像。滤泡不规则增大，扁平上皮组织处于非增殖状态。
The follicles are irregularly enlarged, with flattened epithelium, consistent with inactivity, in this microscopic appearance at low power of a multinodular goiter.
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