Peritoneal lavage examination as a prognostic tool in cases of gastric cancer

Archives of Medical Science : AMS
David HoskovecJan Matek

Abstract

Peritoneal tumor seeding is a common form of recurrence after gastric cancer surgery. The finding of free tumor cells and/or elevation of tumor markers in the peritoneal fluid could predict intraperitoneal tumor recurrence. The results of these examination can be used for indication of aggressive treatment modalities such as hyperthermic intraperitoneal chemotherapy (HIPEC). We have operated on 105 patients suffering from gastric cancer. The control group consisted of 12 patients without malignant disease. Peritoneal lavage fluid or ascites was collected immediately after laparotomy and examined by cytology and biochemistry (levels of carcinoembryonic antigen (CEA) and Ca 19-9). Sensitivity, specificity, stage correlation and overall survival were observed. Elevation of tumor markers or the finding of free intraperitoneal tumor cells predicts recurrence. The prognosis of these patients is same as in stage IV TNM classification with median survival time less than 1 year (p = 0.713). Patients with negative cytology have median survival time 5 years contrary to them with positive cytology (p < 0.001). Sensitivity of the cytology was 34% and specificity was 85%. Sensitivity of biochemistry was 53% (combination of both markers) and ...Continue Reading

Methods Mentioned

BETA
lavage

Software Mentioned

TNM

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