One way to improve outcomes for brain tumor patients: make tumors stand out from healthy tissue. A recently FDA-approved drug, used at UH for more than 10 years, is allowing surgeons to do just that. Known as 5-aminolevulinic acid (5-ALA), the drug makes brain tumor cells turn a bright pink under fluorescent light during surgery. This helps surgeons to see the edges of the tumor more clearly, allowing them to remove the cancerous tissue precisely, while minimizing risk to surrounding functional