Pleomorphic xanthoastrocytoma has been considered as an astrocytic tumor with relatively favorable prognosis. It corresponds to WHO Grade-II neoplasm. Recently. several patterns with relatively poor prognosis have been recorded and a new concept of "PXA with anaplastic features" has been proposed. https://www.roneverhart.com/Retro-Instruments-Doublewide-II-500-Series-Tube-Compressor-p14603/