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  • Title: [Carbohydrate antigen 19-9 (CA 19-9) and carcinoembryonic antigen in gastrointestinal neoplasms. Comparison of markers].
    Author: Capocasale E, Contini S, Rossetti A, Del Sante G, Gregori G.
    Journal: Acta Biomed Ateneo Parmense; 1985; 56(6):231-6. PubMed ID: 2940782.
    Abstract:
    CA 19-9, a new antigenic tumor marker for gastrointestinal tumors, has been assayed with Carcinoembriogenic antigen, in 90 healthy patients and 47 patients with gastric cancer (20) and colorectal cancer (27). A good specificity has been found for this antigen (97.7%). Its sensibility seems to be slightly superior to that of CEA. However the sensibility for tumors at Mo stage (38%) is indeed scarcely, on the contrary it clearly elevated for tumors at advanced stage (M1)(76%).
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