Primary Signet Ring Cell Carcinoma of the Lung with Cerebellar Metastasis Showing Full Response to Cisplatin and Docetaxel Therapy
Figure 2
(a) Malign epithelial infiltration in the cerebellum with signet-ring cell morphology. HE x100. (b): Cell groups in the tumor show positive staining with cytoplasmic CK 7. CK7 x200. (c) Positive nuclear staining with TTF-1 in the signet-ring tumor cells. TTF-1 x200.
