Figure 2From: Primary liver carcinoid tumour with a Zollinger Ellison syndrome - an unusual diagnosis: a case reportImmunohistochemical staining of the primary hepatic carcinoid tumour specimen. Positive staining for synaptophysin (a), chromogranin (b), enolase (c) and cytokeratin 7 (d) in tumour sample and negative in normal liver parenchyma (synaptophysin, chromogranin, enolase × 400, cytokeratin 7 × 200).Back to article page