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KMID : 0914820050050040222
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Journal of the Korean Gastric Cancer Association
2005 Volume.5 No. 4 p.222 ~ p.227
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Positvie Rate of Tumor Marker According to Sites of Recurrence in Gastric Cancer
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Jang Jin-Seok
Lee Sung-Wook
Lee Jong-Hoon
Roh Myung-Hwan
Han Sang-Young
Kim Min-Chan
Jung Ghap-Joong
Choi Seok-Reyol
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Abstract
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Purpose: There are several reports suggested the usefulness of serum tumor markers, AFP, CEA and CA19-9 as prognostic factors or indicators for recurrence in gastric cancer. This clinical study was performed to evaluate positive rate of tumor markers according to site of recurrence in gastric cancer.
Materials and Methods: From the database of patients who underwent radical gastrectomy for gastric cancer between January 1999 and January 2004, 52 patients who showed recurrence were included in this retrospective study. Serum levels of tumor markers were measured at the time of preoperative diagnosis of the gastric cancer and at the time of postoperative recurrence during follow up, respectively.
Results: The overall positivity of tumor markers at the time of recurrence was found to be significantly higher than that of prior to surgery in the recurred group for the single test as well as the combination tests. For the peritoneum, the most common recurrent site, the positivity of CA19-9 was higher at the time of recurrence. And the significant positivity of CEA at the time of recurrence was detected in the liver cases.
Conclusion: Having a preoperative positive tumor marker may identify the patient as having an increased chance of a recurrence. Although tumor markers continue to have limited diagnostic significance in gastric cancer, CA19-9 may be useful as a predictor for peritoneal recurrence of the gastric cancer, and CEA for recurrence to liver.
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KEYWORD
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Tumor marker, Gastric cancer, Recurrence
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