Invisible blood in urine could suggest bladder cancer

1 September 2014 

New research has suggested that invisible blood in urine could be an early sign of bladder cancer.

Scientists at the University of Exeter Medical School found that one in 60 patients who had invisible blood in their urine had bladder cancer. The figure was around half those who had visible blood in their urine – the best known indicator of bladder cancer - but it is higher than figures for other potential symptoms of bladder cancer that warrant further investigation.

Lead author Sarah Price, a PhD student at the University of Exeter Medical School, led the study, which was published in the British Journal of General Practice and is the first robust research to study invisible blood in urine. 

The study analysed more than 26,000 pieces of anonymous data from the Clinical Practice Research Dataline. The team found that the risk of bladder cancer was 1.6 per cent in people over 60 who had invisible blood in their urine.

She said there is no clear guidance for GPs on what to do if they detect blood that is not visible during routine tests. However, the team are hopeful that the findings will lead to clearer information for professionals.

Posted by Jeanette Royston

 

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