%0 Journal Article %T Pilomyxoid astrocytoma of the brainstem %A Francisco Otavio Pereira %A Ismael Augusto Lombardi %A Adriana Yuki Mello %A Flavio Ramalho Romero %J Rare Tumors %D 2013 %I PAGEPress Publications %R 10.4081/rt.2013.e17 %X A pilomyxoid astrocytoma is a recently described tumor that occurs predominantly in the hypothalamic-chiasmatic region and is rarely found elsewhere. It has similar features as pilocytic astrocytomas, but has distinct histological characteristics and a poorer prognosis. A pilomyxoid astrocytoma is an aggressive tumor, and increased awareness is necessary with a suspect case. We present the first case of a pilomyxoid astrocytoma of the brainstem described after the newest World Health Organization classification of central nervous system tumors. %K pilomyxoid astrocytoma %K pediatric %K brain tumor %U http://www.pagepress.org/journals/index.php/rt/article/view/4554