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Tumor Markers CA 125, Squamous Cell Carcinoma Antigen, and Carcinoembryonic Antigen in Patients With Adenocarcinoma of the Uterine Cervix

Between 1978-1987, 439 patients with primary cervical carcinoma were admitted to our department. Seventy-seven patients (17.5%) had cervical adenocarcinoma and are reviewed in this retrospective study. Serial serum samples of these 77 patients were analyzed for cancer antigen 125 (CA 125), squamous cell carcinoma antigen, and carcinoembryonic antigen. Before treatment, only elevated serum CA 125 levels varied directly with the clinical stage of disease. In stages IB and II disease (International Federation of Gynecology and Obstetrics [FIGO]), the incidence of elevated serum CA 125 levels was highest in patients with adenosquamous tumor. Serum marker levels, measured 3 months after therapy, concurred with the treatment results. At that time, 17 of the 23 cases (74%) with at least one elevated serum marker level either had residual disease (N=9) or developed recurrent disease during follow-up (N=8), compared with six of the 40 cases (15%) with normal serum marker levels (P<.001). Increasing serum marker levels during follow-up coincided with or preceded the clinical detection of recurrent disease. Tumor relapse, clinically located in the vaginal vault, occurred concomitant with a rise of at least one serum marker level in six of the seven cases (86%). All 15 patients with abdominal recurrence showed elevation of CA 125. In progressive disease, very high serum CA 125, squamous cell carcinoma antigen, and carcinoembryonic antigen levels were determined in patients with adenosquamous tumor, whereas patients with adenocarcinoma demonstrated only high CA 125 levels. We conclude that all three markers are important for monitoring patients with cervical adenocarcinoma. (Obstet Gynecol 73:661, 1989)