The determination of urinary oxypurines as markers of gastrointestinal tumors.

Abstract

Plasma levels and urinary excretion of oxypurines--hypoxanthine and xanthine--were evaluated by reverse-phase high-pressure liquid chromatography in 13 patients affected by gastric tumors and in 19 colorectal tumor-bearing patients. Preliminary results indicate higher values of urinary xanthine and an increase in the xanthine/hypoxanthine ratio in cancer… (More)

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Cite this paper

@article{Lorenzi1987TheDO, title={The determination of urinary oxypurines as markers of gastrointestinal tumors.}, author={Marco Lorenzi and Davide Vannoni and Rossella Leoncini and R Caldarone and Enrico Marinello}, journal={Tumori}, year={1987}, volume={73 3}, pages={289-94} }