[Gastrointestinal cancer antigen and immunoglobulins G, A, M in patients with head cancer].

The authors present the results of examinations of immunoglobulins A, G, M serum concentrations and of a sensitivity of test of biochemical tumor marker (Ca 19-9) in a group of 35 patients with head malignant tumors. There was a statistically significant increase of immunoglobulins IgA, IgG and decrease of immunoglobulin IgM. We observed statistical correlation between serum concentrations of IgA, IgG and serum concentrations of IgA, IgM. The sensitivity of Ca 19-9 was 23% in the preliminary study. The values of Ca 19-9 changed in monitoring of tumors to 26%. There was a statistically significant correlation between sensitivity of Ca 19-9 and serum concentration of IgM. We did not observe any statistical correlation between Ca 19-9 and the age of patients.