Dr Nirasha Chiranjan informs us about the new developments in radiotherapy in the treatment of brain tumours. Radiotherapy can prolong survival in most malignant brain tumours and may be curative in others. In the setting of benign and malignant brain tumours, radiotherapy may be used solely; may be used before or after surgery; and may be used concurrently with chemotherapy.  Radiation works at a cellular level to damage the DNA of cancer cells thereby preventing cell division and inducing death of these cells1. The duration may vary from a single treatment to daily treatment for six weeks. Radiotherapy has evolved…