Glioblastoma: clinical presentation, diagnosis, and management

What you need to know1. Early symptoms of brain tumours in adults are non-specific and patients may present multiple times to primary care services before they are referred for investigation.Look out for symptoms of raised intracranial pressure (e.g.headaches exacerbated by lying down, triggered by Valsalva maneuver or associated with vomiting or visual disturbance), combinations of symptoms (e.g.headache plus cognitive impairment, headache plus...