Summary
Background. EGF and EGF-R are frequently overexpressed in the tissue of patients suffering from ductal pancreatic cancer and to lesser degree in patients with chronic pancreatitis. The aim of this study was to determine the value of serum measurements in these patients to detect malignant pancreatic disease. In cases of pancreatic cancer, the tissue expression of EGF and EGF-R was evaluated by immunohistochemistry.
Method. Thirty-five patients with chronic pancreatitis and 31 patients with pancreatic cancer were evaluated; 71 patients admitted for routine surgery (hernia repair, cholecystectomy, goiter surgery) served as controls.
Results. EGF and EGF-R values were not significantly different in pancreatic cancer as compared to controls and did not correlate with other tumor markers (CA 19-9, carcinoembryonic antigen [CEA], tumor polypeptide antigen [TPA]) or with the stage of the disease. Fourteen patients (67%) with pancreatic cancer displayed tissue overexpression for EGF and 11 patients for EGF-R (52%). These patients, however, also failed to exhibit any significant pathological changes in serum concentration. In chronic pancreatitis, EGF and EGF-R were significantly decreased as compared to pancreatic cancer and controls. This was an unexpected finding. There was a positive correlation to clinical exocrine insufficiency.
Conclusion. The results of this study show that routine measurements of epidermal growth factor (EGF) and epidermal growth factor receptor (EGF-R) cannot improve screening for pancreatic cancer despite the frequently present tissue overexpression. Both values fail to reveal this malignancy in a serum test. Patients with chronic pancreatitis exhibit no or very low concentrations of EGF. In cases where preoperative diagnosis is difficult the noninvasive EGF and EGF-R serum measurements may be helpful in discriminating between pancreatic cancer and chronic pancreatitis.
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Birk, D., Gansauge, F., Gansauge, S. et al. Serum and correspondent tissue measurements of epidermal growth factor (EGF) and epidermal growth factor receptor (EGF-R). International Journal of Pancreatology 25, 89–96 (1999). https://doi.org/10.1385/IJGC:25:2:89
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DOI: https://doi.org/10.1385/IJGC:25:2:89