粉刺癌型导管内癌，它的特征是出现快速增生高度恶性的细胞。注意导管中央的明显坏死。 Here is a comedocarcinoma pattern of intraductal carcinoma, which is characterized by the presence of rapidly proliferating, high-grade malignant cells. Note the prominent central necrosis in the ducts.
