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  • Title: HCG-alpha and HCG-beta subunits as tumour markers during therapy in a case with so-called "non-functioning" islet cell tumour.
    Author: Oberg K, Wide L, Boström H.
    Journal: Acta Med Scand; 1981; 210(3):231-3. PubMed ID: 6270988.
    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.
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