Figure 3From: Intraneural metastasis of gastric carcinoma leads to sciatic nerve palsy Histology of the stomach (A;Primary site, H&E) and thigh (B; metastatic lesion H&E). There are poorly differentiated adenocarcinoma in both lesion. Note nerve invasion of adenocarcinoma (B). Immunohistochemical study (C; Cytokeratine and D;S-100) clearly demonstrated nerve (* S-100 positive) invasion of poorly undifferentiated adenocarcinoma (** Cytokeratine positive).Back to article page