cancer antigen CA 19-5 in serum

Clinical significance

The CA 19-5 antigen:

• the epitope is recognized by mouse monoclonal antibody CC3C-195
• CC3C-195 reacts with Lewis blood substance Le(a) & with higher affinity with sialyl Le(a)
• CA 19-9 & CA 50 are related to CA-19-5

CA 19-9, CA 19-5 & CA 50 in serum are elevated in:

• gastric carcinoma
• pancreatic carcinoma
• hepatocellular carcinoma

CA 19-9, CA 19-5 & CA 50 may be also elevated by cholestasis.

Increases

• gastric carcinoma
• pancreatic carcinoma
• hepatocellular carcinoma
• cholestasis

More general terms

• test for tumor antigen

Additional terms

• breast cancer