Blood lead level in patients with cancer larynx

Several studies have implicated asbestos and nickel as risk factors in the aetiology of cancer larynx. Lead compounds were also found to induce tumours in experimental animals. In the present study, blood lead levels were estimated in 21 patients suffering from cancer larynx, there was insignificant statistical correlation between blood lead levels and the occurance of cancer larynx, although the fact that six patients showed blood lead levels higher than the normal values for the Egyptian population