Fig. 2.
Well-differentiated neuroendocrine tumor with solid tumor cell aggregates; hematoxylin and eosin (a) exhibiting intensive cytoplasmic staining for synaptophysin (b), and nuclear staining for Ki-67 in less than 2% of the tumor cells (c)
Well-differentiated neuroendocrine tumor with solid tumor cell aggregates; hematoxylin and eosin (a) exhibiting intensive cytoplasmic staining for synaptophysin (b), and nuclear staining for Ki-67 in less than 2% of the tumor cells (c)