Elements like potassium, calcium, iron, zinc, copper, selenium and lead were analyzed in human blood samples collected from different cancer patients as well as some healthy persons applying Particle Induced X-ray Emission (PIXE) technique at the Institute of Physics, Bhubaneswar. The results obtained were compared and discussed with the reported literature values. Some blood elements were found varying significantly in cancer patients compared to those of their healthy counterparts, which could suggest that fluctuations in trace element profiles in whole blood possibly can be used as a diagnostic tool as well as a prognostic index in cancer.

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