Serum tumor marker CA19-9 in the follow-up of patients with cystic echinococcosis |
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Authors: | Yuksel Bulent C Yildiz Yiğit Ozturk Bulent Berkem Huseyin Katman Unal Ozel Hakan Hengirmen Suleyman |
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Affiliation: | First Department of Surgery, Ankara Numune Training and Research Hospital, 06100, Sihhiye, Ankara, Turkey. bulent.yuksel@turktelekom.com.tr |
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Abstract: | BACKGROUND: The aim of this study was to compare results of the determination of carcinoembryonic antigen, carbohydrate antigens, alpha-fetoprotein, and human chorionic gonadotropin before and after surgical and pharmacologic treatment in patients with cystic echinococcosis (CE). METHODS: Serum samples were obtained from 40 CE patients (all with cysts in the liver) and from 10 sex- and age-matched healthy donors (control group). Serum samples were drawn (1) before (presurgical group) and after (postsurgical group, including a 3-month cycle of albendazole) surgical and pharmacologic treatment. Serum tumor markers were measured, and indirect hemagglutination assay was performed. RESULTS: In 90% of confirmed cases of CE, indirect hemagglutination assay was positive. Mean (SD) serum CA19-9 concentrations for all patients in the presurgical and postsurgical groups were 45.1 +/- 30 kU/L and 17.02 +/- 11 kU/L, respectively. CA19-9 concentrations were significantly greater in CE patients in the presurgical compared with the control group. Also, increased CA19-9 concentrations decreased significantly in the postsurgical compared with the presurgical group. CONCLUSIONS: A significant decrease in serum CA19-9 concentrations after surgical and pharmacologic therapy was demonstrated in the clinical follow-up of patients with CE (patients were tested 3 months after surgery). If our findings are confirmed and more-sensitive methods are developed for measuring serum CA19-9 concentrations, new and interesting perspectives will be gained for the monitoring and treatment of patients with CE. |
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Keywords: | CA19-9 Cystic echinococcosis Tumor markers |
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