Home > Neurologic Disease > Less Invasive Approach To Brain Surgery Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on Oct 08, 2008 by AKassam, Views: 3129 Open brain surgery is a big undertaking, even for non malignant tumors, since surgeons frequently have to go through normal brain tissue to get to the tumor. Now there is a less invasive approach, pioneered by Dr. Amin Kassam, the Chairman of Neurosurgery at Univ. of Pittsburgh. Here he discusses how this less invasive approach for brain surgery is beneficial for patients with brain tumors, or for anyone who needs surgery for the base of the brain.