Teenager with headache, diplopia and balance problems Pediatric Imaging Neurological September 11, 2023August 24, 2023 CT without contrast of the brain shows a large heterogenous mass in the anterior right hemisphere that has faint linear calcifications, a marked amount of surrounding edema, and mass effect to the left. The diagnosis was pleomorphic xanthoastrocytoma. Related Published September 11, 2023August 24, 2023