Figure 1.

Radiological and pathological data of the case before chemotherapy. A. CT scan showed a gallbladder mass invading liver, head of pancreas with metastasis of peritoneum and enlarged lymphnodes in hepatic hilar. B. Diffuse small round cells with scanty cytoplasm and round nucleus (HE×200). C. Strong positive cytoplasmic expression of Syn (IHC×400). D. Over 80 % tumor cells show positive expression of Ki-67 (IHC×200).

Song et al. Diagnostic Pathology 2012 7:163   doi:10.1186/1746-1596-7-163
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