1基底细胞癌及其特点基底细胞癌（basalcellcarcinoma，BCC）是中老年常见的癌症之一。可发生于身体任何有毛部位，但以面部最多见。组织学上，BCC的细胞与表皮的基底细胞相类似，有些BCC可表现为向附件结构方向分化。典型的特征为外周细胞呈栅状排列，以及瘤巢周围裂隙形成， 1 Basal cell carcinoma and its characteristics Basal cell carcinoma (BCC) is one of the common cancers in the elderly. It can occur on any hairy part of the body, but it is most common on the face. Histologically, the BCC cells are similar to the basal cells of the epidermis, and some BCCs can be differentiated toward the attachment structure. The typical characteristic is that the peripheral cells are in a grid-like arrangement and fissures around the tumor nest are formed.