Clusters of atrophic prostatic acini with proliferatie changes. At low magnification, it may be mistaken for adenocarcinoma; howeer, they lack cytologic features of cancer such as prominent nucleoli.

• 簇状萎缩的前列腺腺泡伴发增生性改变。低倍镜下容易误当作腺癌，尽管如此，仍缺乏典型的癌细胞特征，如核仁显著等。