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Post-treatment alterations of serum cancer antigen 125, cancer antigen 19.9 and carcinoembryonic antigen levels in patients with gynecological malignancies in a tertiary care hospital in eastern India

Journal: International Journal of Advances in Medicine (Vol.1, No. 3)

Publication Date:

Authors : ; ; ; ; ;

Page : 255-263

Keywords : Cancer antigen 125; Cancer antigen 19.9; Carcinoembryonic antigen; Gynecological carcinoma; Enzyme linked immunosorbent assay;

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Background: Gynecological carcinomas form a significant proportion of all malignancies in women across the globe. These are associated with an increase in the serum concentrations of certain tumor markers such as cancer antigen (CA)125, CA19.9 and carcinoembryonic antigen (CEA) that correlate with the tumor burden. Methods: Pre- and post-treatment serum levels of CA125, CA19.9 and CEA were determined in 36 patients of ovarian carcinoma, 31 patients of cervical carcinoma and 20 patients of endometrial carcinoma using enzyme-linked immunosorbent assay. The pre- and the post-treatment levels of these markers have been compared and correlated. Results: With primary treatment, CA125 level was significantly reduced in ovarian, endometrial (ps < 0.001) and cervical (p = 0.001) carcinomas and that of CA19.9 was significantly decreased in cervical and endometrial carcinomas (ps < 0.001). Surprisingly, post-treatment CEA level was significantly increased in cervical carcinoma (p = 0.001) with significant increase after radiotherapy (p = 0.003), but not after surgery (p = 0.091). Treatment had no effects on CA19.9 level in ovarian carcinoma and on CEA levels in ovarian and endometrial carcinomas. Pre- and post-treatment levels of CA125, CA19.9 and CEA showed strong positive correlation in cervical carcinoma, while those of CA19.9 showed very strong positive correlation in endometrial carcinoma. Conclusions: Post-treatment serum CA125 level best reflects the treatment effect in all three types of gynecological carcinomas. CA19.9 is reliable to evaluate treatment effect in patients of cervical and endometrial carcinomas. Studies involving larger population size should be conducted to identify the changes in CEA while assessing treatment effect in cervical carcinoma patients.

Last modified: 2014-12-06 17:11:17