VOLUME 2 - No. 5 - MARCH 15, 2012 CENTAURO S.r.l., BOLOGNA Fortnightly ISSN 2239-7493 Oficial Journal of: AINR - Associazione Italiana di Neuroradiologia and: The Neuroradiologists of Alpe-Adria ANRS - Albanian Neuroradiological Society PANRS - Pan Arab NeuroRadiology Society Radiological Society of Saudi Arabia, Division of Neuroradiology Egyptian Society of Neuroradiology ISNR - Indian Society of Neuroradiology Indonesian Society of Neuroradiology Neuroradiology Section of the Radiology Society of Iran Israeli Society of Neuroradiology College of Radiology Malaysia Neuroradiology Section - Pakistan Psychiatry Research Center Section of Neuroradiology - Polish Radiological Society The Neuroradiologists of Romania Section of Neuroradiology of Serbia and Montenegro SILAN - Sociedad Ibero Latino Americana de Neurorradiologia Neuroradiology Section of Singapore Radiological Society Slovenian Society of Neuroradiology The Neuroradiological Society of Taiwan TSNR - Turkish Society of Neuroradiology Vol . 2 No . 5