%0 Journal Article %T Primary intracranial hemangiopericytoma with mesenteric and retroperitoneal spread %A Y Yesilkaya %A D Akinci %A M Topcuoglu %A O Tanas %J Biomedical Imaging and Intervention Journal %D 2012 %I %R 10.2349/biij.8.4.e24 %U http://www.biij.org/2012/4/e24/e24.pdf