Fig. 8From: Small cell-like change in prostatic adenocarcinoma and intraductallesions – neuroendocrine or not?Immunophenotype of a 3.5-mm focus of poorly differentiated carcinoma. Ki67 with proliferation index of about 50% (Ki67: A, 100x, and B: 400x). Weak to absent expression of PSA (C: PSA, 100x) and synaptophysin expression in scattered cells (D: Synaptophysin, 100x).Back to article page