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HCG-alpha and HCG-beta subunits as tumour markers during therapy in a case with so-called "non-functioning" islet
Acta Medica Scandinavica
|January 1, 1981
Abstract:
A 61-year-old man with a malignant endocrine pancreatic tumour, so-called "non-functioning" islet cell tumour, is described. The tumour consisted of enterochromaffin-like cells with positive immunocytochemistry for gastrin, glucagon and VIP, but neither of these or other peptides were elevated in the circulation. Elevated serum levels of HCG-alpha and HCG-beta subunits were found. They seemed to be valuable tumour markers during cytotoxic therapy.