How can radioisotopes help a doctor diagnose brain tumor (CBSE 2014 VBQ) Share with your friends Share 3 Ravi Gupta answered this Kindly refer the following link.https://www.meritnation.com/ask-answer/question/how-can-radioisotopes-help-in-diagnosing-brain-tumour/physics/7144315 -1 View Full Answer Anirvan answered this as far as I think alpha and beta decays lead to emission of gamma radiation which are helpful in cancer treatment. -3 Nitin Kumar answered this its explanation is given in solutions of board papers by meritnation 0