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  • Title: Correlation of the Serum Level of Carcinoembryonic Antigen and Prolactin with Different Stages of Colorectal Carcinoma According to Dukes' Staging.
    Author: Rahman MR, Sheikh SH, Lima IJ, Islam MR, Faisal M, Islam MS, Faruk MO, Jalal MT.
    Journal: Mymensingh Med J; 2016 Jan; 25(1):61-5. PubMed ID: 26931251.
    Abstract:
    Carcinoembryonic antigen (CEA) is well established tumor marker for colorectal cancers worldwide. Recent studies show that serum prolactin level is also raised in colorectal cancers. The purpose of the study is to evaluate the correlation of serum CEA and Prolactin with Dukes' staging of colorectal carcinomas. Between January 2013 and June 2013, Serum CEA and Serum Prolactin were measured by radioimmunoassay from 103 patients who were histopathologically diagnosed as colorectal carcinomas. Evaluation of the stages of the colorectal cancers was done on the basis of preoperative investigations and postoperative histopathology and correlated with Preoperative Serum CEA and Serum Prolactin. Results were presented as median value, range and percentage. Male to female ratio was 1.4:1 with median age of 42.26 years (range 17-78 years). Most of the patients in this series presented with carcinoma rectum (42%). Most of the patients (52%) were found in Dukes' stage C and 27% and 15% cases were found as Dukes' stage B and Dukes' stage D respectively. Stage of the disease is directly proportionate to percentage of the patient with high serum prolactin except early stage (Dukes' A-50%, Dukes' B-28.6%, Dukes' C-33.3% & Dukes' D-46.7%). Similarly serum CEA level is directly proportionate to tumor stage (Dukes' A-0%, Dukes' B-32%, Dukes' C-40.7% & Dukes' D-74.7%). A preoperative high serum CEA value suggests advanced disease either locally or with distant metastasis. In contrast preoperative high serum prolactin (hyperprolactinaemia) did not suggest advanced disease as it can be elevated even in early stage of disease. Serum CEA and Serum Prolactin both are valuable tumor markers but serum CEA could not be replaced by serum Prolactin. Serum Prolactin may be a helpful marker in earlier stages of the colorectal cancer.
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