Five-year-old Declan had an MRI to monitor a growth hormone deficiency. Afterward, his parents got shocking news: The scan showed Declan had a large craniopharyngioma brain tumor. The family found themselves at the Johns Hopkins Children’s Center, where Declan had brain surgery the next day. Watch neurosurgeon Alan Cohen and the pediatric neurosurgical team discuss how they removed this tumor. For more information: www.hopkinsmedicine.org/neuro.