TY - JOUR T1 - An unruptured arteriovenous malformation with edema. JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 385 LP - 388 VL - 15 IS - 2 AU - Y Miyasaka AU - K Yada AU - A Kurata AU - K Tokiwa AU - R Tanaka AU - T Ohwada Y1 - 1994/02/01 UR - http://www.ajnr.org/content/15/2/385.abstract N2 - We report a case of unruptured arteriovenous malformation in which an extensive zone of increased signal intensity in the brain parenchyma adjacent to the nidus is demonstrated on T2-weighted MR. This area of perilesional hyperintense signal exerts a compressive effect, suggesting that it represents perilesional edema. ER -