Keywords: AFIP405715M-EPENDYMOMA.jpg en The dense cellularity of the cellular ependymoma is interrupted by anuclear perivascular fibrillar zones termed perivascular pseudorosettes http //peir2 path uab edu/scripts/acdis dll cmd see fp /dbih/AFIP/00405715 tif fmt jpg q 100 h 512 The Armed Forces Institute of Pathology 2009-03-21 PD-USGov Histopathology of ependymoma |