Glioblastoma-Erlotinib (IMAGE) University of California - San Diego Caption An MRI depicts a glioblastoma (center white mass) before treatment with the drug erlotinib (A) and after (B). Credit UC San Diego School of Medicine Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.