The basal cell layer is fragmented but still present as confirmed by high molecular weight cytokeratin immunostain ( next slide ) 基底细胞层已成碎片，但是通过高分子量细胞角蛋白免疫染色后仍可确定其存在（见下一张） 。
2.
The immunostain for high molecular weight cytokeratin can be helpful in distinguishing between atrophy ( fragmented basal cell layer ) from atrophic ariant of prostatic adenocarcinoma ( no basal cell layer ) 应用高分子量细胞角蛋白免疫染色可以将单纯萎缩跟萎缩型的前列腺腺癌区分开来，前者可见到呈碎片状的基底细胞层，后者无基底细胞层。
