Endocrine Abstracts

Introduction: Neuroendocrine tumors (NET) are heterogenous tumors with variable survival and the frequently occurring ability to metastasize. A basis for metastasis of tumors is invasive growth. One factor participating in this process is the existence of the so called ‘circulating tumor cells’ (CTC) in the peripheral blood. Up to now there is only rare data available regarding the number of CTCs in NET patients.Methods: EpCAM protein expressio...