Laser surgery finds brain cancer’s boundary

Laser-guided surgery could improve the odds of removing all of a brain tumour by clearly highlighting its edges according to Harvard University researchers. Surgeons are cautious with brain tumours as removing the surrounding tissue could lead to disability. Brain tumour researchers say the technique used to analyse the chemistry of the tissue could be an “exciting development in brain tumour research”. Balancing act of removing a tumour Study lead Dr Daniel Orringer said: “Neurosurgery is plagued by a problem, it’s very difficult to see when a brain tumour ends and normal tissue begins. “If you’re removing a colon cancer you