TY - JOUR T1 - Predominantly extraaxial astroblastoma: imaging and proton MR spectroscopy features. JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 946 LP - 950 VL - 14 IS - 4 AU - J J Baka AU - S C Patel AU - J R Roebuck AU - D O Hearshen Y1 - 1993/07/01 UR - http://www.ajnr.org/content/14/4/946.abstract N2 - The CT, angiographic, MR, and proton MR spectroscopy findings in a case of astroblastoma, a rare neoplasm of glial cell origin, are presented. Of particular interest is the predominantly extraaxial location of the tumor. CT and MR demonstrated a complex mass consisting of a solid nodule and a peripheral septated cystic component. The extraaxial nature of the mass was suggested on MR. ER -