title: [Determination of the lymphocytic and oncofetal antigen subpopulations in patients with adenocarcinomas of the stomach and of the colon and rectum (author's transl)].
abstract: The authors present a study of 50 patients with adenocarcinomas of the colon and rectum, patients with gastric adenocarcinomas, and 30 healthy individuals as a control group. In all subjects the following parameters were determined: total number of lymphocytes in the peripheral blood, T lymphocytes, T-active lymphocytes, and B lymphocytes. A study of the test for lymphoblastic transformation (TTL) with phytohemagglutinin (PHA) stimulation and the determination of alpha-fetoprotein (AFP) and carcino-embryonic antigen (CEA) were also carried out. In patients with gastric adenocarcinoma the results revealed a lymphopenia, especially at the expense of T and T-active lymphocytes, as well as a depression (in 73 per cent) of the lymphocytic response to the PHA stimulation. Patients with carcinoma of the colon showed significant results in the T-active lymphocyte population. In both neoplastic situations the determination for alpha-fetoprotein was negative, while the CEA presented a clear correlation with the evolutive stage of the tumor, being more demonstrative in the tumors located in the colon and rectum.
mesh_terms: D000230:Adenocarcinoma / Q000276:immunology*; D000328:Adult; D000368:Aged; D001402:B-Lymphocytes / Q000276:immunology; D002272:Carcinoembryonic Antigen / Q000032:analysis*; D003110:Colonic Neoplasms / Q000276:immunology*; D005260:Female; D006801:Humans; D007958:Leukocyte Count; D008213:Lymphocyte Activation; D008297:Male; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000276:immunology*; D013274:Stomach Neoplasms / Q000276:immunology*; D013601:T-Lymphocytes / Q000276:immunology; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D002272:Carcinoembryonic Antigen; D000509:alpha-Fetoproteins
vernacular_title: Determinación de las subpoblaciones linfocitarias y antígenos oncofetales en pacientes con adenocarcinoma gástrico y colorrectal.