Figure 4From: Multiple scalp metastases from colonic neuroendocrine carcinoma: case report and literature review Immunohistochemical analyses of tumor cells. (A) Strongly positive staining of Syn (×200). (B) Strongly positive staining of CDX2 (×200). (C) Ki-67-positive nuclei (×200). (D) Weakly positive staining of CD56 (×200).Back to article page